Primary Care Doctors — State College & Lock Haven, PA

34 providers compared. Ranked for proactive care, accumulated experience, and older-adult fit.

Updated May 24 2026 · Geisinger system excluded per family preference · see what's new since the last update

★ Start with these three calls
Dr. Paul Guillard, MD — #1, fit 9.5
The only board-certified geriatrician in the corridor taking community patients. 45 yrs. Two offices in State College.
(814) 237-3122
Dr. Franklin Berkey, DO — #2, fit 9.4
Penn State Health. 4.9 ⭐ across 242 reviews — highest review volume of any doctor on this list. Dual board: family + palliative.
(814) 235-2480
Dr. Mary Piergallini, MD — #3, fit 9.4
Independent solo practice, Lock Haven. 35+ yrs. Owns her schedule. Confirmed accepting new patients.
(570) 748-7400

Ranked snapshot all 34 providers, by fit score

#Doctor / PracticeTownPhoneNew ptsFit
1Paul Guillard, MDNEWGuillard Internal Medicine / Mount Nittany — geriatricianState College(814) 237-3122Verify9.5
2Franklin Berkey, DONEWPenn State Health — family + palliative · 4.9/242State College(814) 235-2480Yes9.4
3Mary Piergallini, MDPleasant Valley Family Medicine (independent)Lock Haven(570) 748-7400Yes9.4
4Stephen Pandolph, MDMount Nittany — Blue Course Dr. (internal medicine)State College(814) 237-3122Verify9.4
5Karissa Thal, MDMount Nittany BellefonteBellefonte(814) 355-7322Yes9.2
6Allison Holmes, DONEWPenn State Health Colonnade · 5.0/224State College(814) 272-4445Verify9.0
7Marcus Powers, MDUPMC Family Medicine Lock HavenLock Haven(570) 748-1260Yes8.9
8Karen Brown, MDMount Nittany — Park Ave (family + palliative care)State College(814) 278-4680Yes8.8
9Sarah McElroy, DOUPMC Family Medicine Lock Haven (does OMT)Lock Haven(570) 748-1260Yes8.7
10Madhavi Singh, MDPenn State Health Family Medicine — Park AveState College(814) 235-2480Yes8.5
11Frank Guillard, MDNEWGeriatrician · UPenn-trained · Mount Nittany affiliatedState College(814) 237-3122Verify8.3
12Hussein Aboul-Hosn, MDNEWBellefonte Medical Clinic (independent) · 45+ yrs · 4.7/19Bellefonte(814) 353-3337Yes8.2
13Mallory Schaffer, MDMount Nittany Penns Valley (family + sports med)Spring Mills(814) 422-8873Not now8.2
14John Hanna, PA-CUPMC Family Medicine Lock Haven (PA, not MD)Lock Haven(570) 748-1260Yes8.1
15Carrie Timko, MDUPMC Family Medicine Lock HavenLock Haven(570) 748-1260Yes8.0
16Internal Medicine Associates of State CollegeNEWIndependent IM · Dixon, Trusky, PepeState College(814) 234-8800Verify7.8
17Cara Ricotta, DOMount Nittany PhilipsburgPhilipsburg(814) 231-7000Yes7.8
18Cynthia Alexander, MDNEWCentre Medical & Surgical Bellefonte · 5.0/5Bellefonte(814) 355-7322Yes7.7
19Karthika Arulsothynathan, MDMount Nittany — Park AveState College(814) 234-8800Yes7.6
20Haven Health & WellnessIndependent NP/PA-led (no MD on site)Lock Haven(570) 337-3440Yes7.5
21Wasiq Ahmad, MDMount Nittany / Penn HighlandsState College(814) 235-2480Verify7.4
22Drs. Short & FowlerMount Nittany Mifflin CountyReedsville(717) 667-7720Yes7.3
23Mitch Kovacs, MDPenn Highlands Family Medicine (new in 2024)State College(582) 220-2305Yes7.2
24Penns Valley Family Medicine teamMount Nittany Penns Valley · Baitel confirmed acceptingSpring Mills(814) 422-8873Mixed7.2
25Jared Maurer, DONEWMount Nittany Philipsburg (joined Nov 2024)Philipsburg(814) 376-6200Yes7.1
26Peter Thomas, DONEWInternal medicine · Pleasant GapPleasant Gap(814) 359-3421Yes7.0
27Mount Nittany — Park Ave Internal Medicine teamMount Nittany Physician Group (multi-MD)State College(814) 278-4600Yes7.0
28Penn State Health team — Park Ave & Benner PikePenn State Health Medical GroupState College(814) 235-2480Verify7.0
29Andrea Knab, MDMount Nittany — Park Ave (internal + hospital)State College(814) 231-7000Verify7.0
30David Luo, DONEWUPMC Lock Haven · Johns Hopkins MPH · 0 reviewsLock Haven(570) 769-1300Yes6.9
31Colby Welshans, PA-CHaven Family Practice / UPMC Lock HavenLock Haven(570) 769-1300Yes6.8
32Lock Haven Medical Center — Dr. Bharat AdrojaSmall independent · internal + family medicineLock Haven(570) 748-1550Yes6.6
33Mount Nittany Boalsburg teamNow Singh DO + Witkowski DO (joined Nov 2025)Boalsburg(814) 234-6701Yes6.5

New pts column: Yes confirmed accepting · Verify / Mixed conflicting signals across platforms · Not now not currently accepting · Verify no current data · NEW = added in the May 2026 research refresh.

Geriatrician spotlight if either parent is on Medicare with multiple specialists

Geriatricians have additional training specifically for older-adult care: polypharmacy, fall risk, cognitive screening, Medicare Annual Wellness Visits, advance care planning. The State College / Lock Haven corridor has two practicing geriatricians taking community patients — both Guillards, brothers from a Jefferson medical family. If either parent has 5+ medications or a complex specialty picture, these are the first calls.

#1Paul Guillard, MD NEW
9.5 / 10
Practice
Guillard Internal Medicine · also at Mount Nittany Park Ave · also Penn Highlands State College
Addresses
905 University Dr. Suite 1, State College PA 16801 · 1850 E. Park Ave. Suite 302, State College · 239 Colonnade Blvd. (Penn Highlands)
Phone
(814) 237-3122
Training
Sidney Kimmel / Jefferson M.D. 1981 · residency Healtheast
Years
45 · double-boarded Internal Medicine + Geriatric Medicine
Reviews
5.0 ⭐ / 12 reviews (WebMD)
Why pick him
Watch out for
#11Frank Guillard, MD NEW
8.3 / 10
Practice
Independent · Mount Nittany Medical Center affiliated
Address
1700 Old Gatesburg Rd. Suite 310, State College PA 16803
Phone
(814) 237-3122
Training
Hahnemann University M.D. · residency University of Pennsylvania Health System
Years
20+ · double-boarded Internal Medicine + Geriatric Medicine
Reviews
4.5 ⭐ / 4 reviews (WebMD)
Why pick him
Watch out for

Tier 1 · Standouts (fit ≥ 8.5)

#2Franklin Berkey, DO NEW
9.4 / 10
Practice
Penn State Health Medical Group — Park Avenue · Family Medicine + Hospice/Palliative Care
Address
143 Hospital Dr. Suite 207, State College PA 16803
Phone
(814) 235-2480
Training
Dual board: Family Medicine + Hospice & Palliative Care · Associate Director, Family & Community Medicine Residency at Mount Nittany
Years
19+ post-residency
Reviews
4.9 ⭐ / 242 patient satisfaction ratings — highest review volume of any provider on this entire list
Why pick him
Watch out for
#3Mary Piergallini, MD
9.4 / 10
Practice
Pleasant Valley Family Medicine · independent solo-owner
Address
401 High St., Flemington (also 208 E. Church St.), Lock Haven PA 17745
Phone
(570) 748-7400 · pvmed.com
Training
Penn State College of Medicine, M.D. 1991 · residency Fairfax Family Practice, VA
Years
35+ (independent owner since 2003)
Hospitals
UPMC Lock Haven (Geisinger Jersey Shore admitting only)
Why pick her
Watch out for
#4Stephen Pandolph, MD
9.4 / 10
Practice
Mount Nittany Physician Group — Blue Course Drive · internal medicine
Address
1700 Old Gatesburg Rd., State College PA 16803
Phone
(814) 237-3122
Training
Hahnemann (Drexel) M.D. 1978 · U.S. Army residency Walter Reed / Fort Belvoir · dual-boarded Family + Internal Medicine
Years
48 (settled in Centre County 1986; no retirement announced as of May 2026)
Languages
English, Spanish
Why pick him
Watch out for
#5Karissa Thal, MD
9.2 / 10
Practice
Mount Nittany Physician Group Bellefonte
Address
141 Medical Park Ln., Bellefonte PA 16823
Phone
(814) 355-7322
Hours
Mon–Thu 7a–6p, Fri 8a–5p (long hours — unusual)
Training
Penn State College of Medicine M.D. 2019 · residency at Mount Nittany (chief resident)
Years
4 (post-residency)
Why pick her
Watch out for
#6Allison Holmes, DO NEW
9.0 / 10
Practice
Penn State Health Medical Group — Colonnade · Family Medicine
Address
32 Colonnade Way, State College PA 16803
Phone
(814) 272-4445
Training
Lake Erie College of Osteopathic Medicine (LECOM) D.O. 2010 · Family Medicine residency ARIA Health System
Years
~13 post-residency
Reviews
5.0 ⭐ / 224 patient satisfaction ratings — second-highest review volume on this list
Why pick her
Watch out for
#7Marcus Powers, MD
8.9 / 10
Practice
UPMC Family Medicine Lock Haven
Address
610 High St., Lock Haven PA 17745
Phone
(570) 748-1260 (UPMC directory) or (570) 748-1250
Training
American University of the Caribbean M.D. 2017 · residency Aspirus, Wausau WI
Years
5
Hospitals
UPMC Lock Haven, UPMC Williamsport
Why pick him
Watch out for
#8Karen Brown, MD
8.8 / 10
Practice
Mount Nittany — Park Avenue · Family + Hospice & Palliative Medicine
Address
1850 E. Park Ave. Suite 302, State College PA 16803
Phone
(814) 278-4680
Training
Sidney Kimmel / Jefferson M.D. 1996 · residency Bryn Mawr (Main Line Health)
Years
30 · double-boarded in Family Practice + Hospice/Palliative
Insurance
Aetna, BCBS, AmeriHealth Medicaid, others
Why pick her
Watch out for
#9Sarah McElroy, DO
8.7 / 10
Practice
UPMC Family Medicine Lock Haven · does OMT (hands-on manipulation)
Address
610 High St., Lock Haven PA 17745
Phone
(570) 748-1260
Training
Philadelphia College of Osteopathic Medicine (D.O.) · residency Williamsport Family Medicine
Years
18 · board certified Family Medicine + OMT
Reviews
4.8–4.9 across hundreds on UPMC's own portal
Why pick her
Watch out for
#10Madhavi Singh, MD
8.5 / 10
Practice
Penn State Health Family Medicine — Park Avenue
Address
1850 E. Park Ave. Suite 207, State College PA 16803
Phone
(814) 235-2480
Training
Gajra Raja Medical College M.D. 1995 · residency UPMC Altoona
Years
31
Languages
English, Hindi, Chinese
Hospitals
Penn State Hershey, Mount Nittany
Why pick her
Watch out for

Tier 2 · Strong alternatives (fit 7.5–8.4)

#12Hussein Aboul-Hosn, MD NEW
8.2 / 10
Practice
Bellefonte Medical Clinic · independent — not Mount Nittany, not Geisinger
Address
527 Willowbank St., Bellefonte PA 16823
Phone
(814) 353-3337
Training
Université de Poitiers (France) M.D. · residency Englewood Hospital NJ · board-certified Internal Medicine
Years
45+
Languages
English, French, Arabic
Reviews
4.7 ⭐ / 19 reviews — strongest signal among new-list Bellefonte internists
Why pick him
Watch out for
#13Mallory Schaffer, MD
8.2 / 10
Practice
Mount Nittany Penns Valley · Family + Sports Medicine
Address
3631 Penns Valley Rd., Spring Mills PA 16875
Phone
(814) 422-8873
Training
Penn State College of Medicine M.D. · UPMC St. Margaret residency + sports medicine fellowship
Years
6–10
Why pick her
Watch out for
#14John Hanna, PA-C
8.1 / 10
Practice
UPMC Family Medicine Lock Haven · physician assistant, not MD
Address
1 Outlet Ln. Suite 400, Lock Haven (verify suite with UPMC)
Phone
(570) 748-1260
Training
Lock Haven University (B.S. + M.S.) · NCCPA-certified PA
Reviews
5.0 ⭐ rating, confirmed accepting new patients
Why pick him
Watch out for
#15Carrie Timko, MD
8.0 / 10
Practice
UPMC Family Medicine Lock Haven
Address
610 High St., Lock Haven PA 17745
Phone
(570) 748-1260
Training
Drexel / Hahnemann M.D. · residency Williamsport Hospital
Reviews
4.9 ⭐ / 282 ratings on UPMC's portal
Why pick her
Watch out for
#16Internal Medicine Associates of State College NEW
7.8 / 10
Practice
Independent internal medicine — not in any health system
Address
1850 E. Park Ave. Suite 201, State College PA 16803
Phone
(814) 234-8800
Doctors
Richard Dixon MD · Jeanette Trusky MD · Peter Pepe MD
Insurance
Medicare accepted
Why pick it
Watch out for
#17Cara Ricotta, DO
7.8 / 10
Practice
Mount Nittany Physician Group Philipsburg
Address
1061 N. Front St. Suite 2, Philipsburg PA 16866
Phone
(814) 231-7000 (Mount Nittany central)
Insurance
48 plans including Medicare and Medicaid
Why pick her
#18Cynthia Alexander, MD NEW
7.7 / 10
Practice
Centre Medical & Surgical Associates P.C. — Bellefonte
Address
141 Medical Park Ln., Bellefonte PA 16823
Phone
(814) 355-7322
Training
University of Phoenix / Northern California M.D. 2000 · board-certified Internal Medicine (ABIM)
Years
25+
Reviews
5.0 ⭐ / 5 reviews (small sample but consistent)
Why pick her
Watch out for
#19Karthika Arulsothynathan, MD
7.6 / 10
Practice
Mount Nittany — Park Avenue
Address
1850 E. Park Ave., State College PA 16803
Phone
(814) 234-8800 · or (814) 278-4600
Training
American University of Antigua M.D. · Penn State/Mount Nittany residency
Years
11–20
Why pick her
Watch out for
#20Haven Health & Wellness
7.5 / 10
Practice
Independent NP/PA-led family medicine + wellness (no MD on site)
Address
45 Bellefonte Ave. Suite 2, Lock Haven PA 17745
Phone
(570) 337-3440 · or (570) 858-5328
Hours
Mon–Thu 8a–5p, Fri 8a–1p
Providers
Kirsten Bubb CRNP · Jeremy Lazorka PA-C · Danielle Thompson CRNP
Insurance
Medicare-enrolled per CMS registry; CLIA license valid through Oct 2026
Why pick it
Watch out for

Tier 3 · Worth considering (fit 6.5–7.4)

#21Wasiq Ahmad, MD
7.4 / 10
Practice
Mount Nittany / Penn Highlands Huntingdon · State College
Address
1850 E. Park Ave. Suite 207, State College
Training
Hofstra/Northwell M.D. · top-tier NY academic school
Years
5
Why pick him
Watch out for
#22Mount Nittany Mifflin County · Drs. Short & Fowler
7.3 / 10
Practice
Mount Nittany Health Mifflin County · multi-doctor family medicine
Address
96 Kish Rd., Reedsville PA
Phone
(717) 667-7720
Providers
Kelsey Short DO · Eric Fowler MD (35+ yrs, Jefferson 1989)
Why pick it
Watch out for
#23Mitch Kovacs, MD
7.2 / 10
Practice
Penn Highlands Family Medicine State College · new hospital, opened 2024
Address
239 Colonnade Blvd. 2nd Fl., State College PA 16803
Phone
(582) 220-2305
Hours
Mon–Fri 8a–4p
Training
George Washington University M.D. · Penn Highlands DuBois residency 2023
Reviews
Mixed — 3.6 stars / 14 reviews
Why pick him
Watch out for
#24Penns Valley Family Medicine team
7.2 / 10
Practice
Mount Nittany Penns Valley · multi-MD team
Address
3631 + 4570 Penns Valley Rd., Spring Mills PA 16875
Phone
(814) 422-8873
Doctors
Tamar Baitel MD (confirmed accepting), Craig Pursell DO, Craig Collison MD, Jennifer Delozier MD, Jeffrey Eaton MD, Charles Nydegger MD, Jason Schweichler DO
Hours
Saturday morning + 7a weekday openings (rare for a small rural office)
Why pick it
Watch out for
#25Jared Maurer, DO NEW
7.1 / 10
Practice
Mount Nittany Health Primary Care — Philipsburg · joined Nov 2024
Address
1061 N. Front St., Philipsburg PA 16866
Phone
(814) 376-6200
Training
Edward Via College of Osteopathic Medicine (VCOM) D.O. 2021 · Gold Humanism Honors Society
Years
~3–4 post-residency
Why pick him
Watch out for
#26Peter Thomas, DO NEW
7.0 / 10
Practice
Outpatient Internal Medicine (Mount Nittany Medical Center affiliated)
Address
550 W. College Ave., Pleasant Gap PA 16823
Phone
(814) 359-3421
Training
LECOM — Seton Hill D.O. 2011 · AOA board-certified Internal Medicine
Years
~14
Reviews
5.0 ⭐ / 2 reviews (thin)
Why pick him
Watch out for
#27Mount Nittany — Park Ave Internal Medicine team
7.0 / 10
Practice
Mount Nittany Physician Group · large team-based practice
Address
1850 E. Park Ave., State College PA 16803
Phone
(814) 278-4600
Providers
Drs. Knab (above), Devkota, Covaleski, Coll, Sumner, Hackenberger; Amber Purdy PA-C
Why pick it
Watch out for
#28Penn State Health team — Park Ave & Benner Pike
7.0 / 10
Practice
Penn State Health Medical Group — multiple State College locations
Phones
Park Ave (814) 235-2480 · Benner Pike (814) 272-5660 · Colonnade (814) 272-4445 · central (800) 243-1455
Notable
Franklin Berkey DO (see #2 above) · Dongsheng Jiang MD · Michael Flanagan MD · Christopher Heron MD · Gretchen Maurer DO · Mark Stephens MD · Hannah Fanelli MD
Why pick it
Watch out for
#29Andrea Knab, MD
7.0 / 10
Practice
Mount Nittany — Park Avenue · Internal + Hospital Medicine
Address
1800 E. Park Ave., State College PA 16803
Phone
(814) 231-7000
Training
USF Morsani M.D. 2016 (with honors) · residency Penn State Hershey
Years
8
Why pick her
Watch out for
#30David Luo, DO NEW
6.9 / 10
Practice
UPMC Outpatient Center — Lock Haven · Family Medicine
Address
1 Outlet Ln. Suite 400, Lock Haven PA 17745
Phone
(570) 769-1300
Training
NYIT College of Osteopathic Medicine D.O. + Johns Hopkins MPH · Mount Sinai South Nassau residency · ~8 yrs in practice
Why pick him
Watch out for
#31Colby Welshans, PA-C · Haven Family Practice
6.8 / 10
Practice
UPMC Lock Haven affiliated · note: holds PA-C credential, not MD — verify with practice
Address
208 E. Church St. Suite 300, Lock Haven (also 1 Outlet Ln. Suite 400)
Phone
(570) 769-1300
Why pick it
Watch out for
#32Lock Haven Medical Center — Dr. Bharat Adroja, MD
6.6 / 10
Practice
Small independent group · Family + Internal Medicine
Address
930 Bellefonte Ave. Suite 105, Lock Haven PA 17745
Phone
(570) 748-1550
Primary doctor
Dr. Bharat Adroja, MD · affiliated with UPMC Lock Haven, UPMC Muncy, UPMC Williamsport
Hours
Mon–Thu 8a–5p, Fri 8a–noon
Insurance
Medicare + 27 other plans
Why pick it
Watch out for
#33Mount Nittany Boalsburg team
6.5 / 10
Practice
Mount Nittany Physician Group
Address
143 Hospital Dr. Suite 301, State College PA 16803 (temporarily relocated from Boalsburg while site renovates)
Phone
(814) 234-6701
New providers
Harsiman Singh DO + Paige Witkowski DO (joined Nov 2025)
Why pick it
Watch out for

Alternative care models concierge + Direct Primary Care

Both of these are non-insurance models — patients pay the practice directly (monthly fee for DPC, retainer for concierge). The trade-off is longer visits + direct doctor access in exchange for the out-of-pocket fee. Medicare patients should call to clarify exactly how Medicare interacts with the fee structure before signing up. The corridor is thin on both models.

John McShane, MD NEW
concierge
Practice
Concierge Family Medicine — independent
Address
476 Rolling Ridge Dr. Suite 101, State College PA 16801
Reviews
5.0 ⭐ / 10 reviews
Services
Annual wellness, chronic care, telehealth, home visits
Notes
Sean P. Hampton, DO NEW
DPC
Practice
Hampton Medical Direct Primary Care
Address
502 Logan Blvd., Altoona PA 16603 (35 miles from State College)
Fee
$25–$100/month flat fee, no insurance billing
Reviews
5.0 ⭐ / 7 reviews
Services
Free consultation, telehealth, home visits, board-certified family medicine
Notes

Avoid concerning review patterns

Excluded — Geisinger system good reviews but family-policy excluded

Listed only because their patient feedback is genuinely exceptional. If your concern with Geisinger was specific to a particular office or service line rather than the system overall, these three are worth a second look.

Questions to ask at the first appointment

Practice mechanics (the deal-breakers)
Older-adult / Medicare specific
Chronic-condition signals
Whole-person check

What changed in the May 2026 update vs. the original 24-provider list

Methodology. 34 providers within ~45 min of the State College ↔ Lock Haven corridor. Ranking weights: proactive engagement · time per visit · older-adult / chronic-pain fit · practice independence + continuity · hospital-system access · review pattern consistency. Sources: Healthgrades · Vitals · WebMD · ZocDoc · Doximity · UPMC, Mount Nittany, Penn State Health, and Penn Highlands provider directories · CMS billing-length codes · Sharecare · US News · practice websites. Hard exclusion: Geisinger system per family preference (three excluded providers named for reference). Tier bands: T1 ≥8.5 · T2 7.5–8.4 · T3 6.5–7.4. Diann Westrick MD was researched as a candidate geriatrician for Philipsburg but her primary practice site is Geisinger Medical Group Philipsburg and she is therefore excluded.