Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Peter S Oh, DO

Individual provider Family Medicine Physician · NPI 1790737666

Peter S Oh, DO is a Family Practice in Ephrata, Pennsylvania. Graduated from Philadelphia College of Osteopathic Medicine in 1987, 39 years ago. Practices with Wellspan Medical Group, a 2,342-clinician group, works from 9 locations, accepts Medicare assignment and offers telehealth. Licensed in Pennsylvania.

Years since qualifying
39
Trained at
Philadelphia College of Osteopathic Medicine
Licensed in
PA
In the registry since
2006
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

4131A Oregon Pike
Ephrata, PA 17522-9550
Phone: (717) 859-1123
Fax: (717) 859-2898
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (8)

  • 1135 Georgetown Rd Unit 201, Christiana, PA 17509-9543 — (717) 466-2462
  • 770 Broad St, East Earl, PA 17519-9752 — (717) 445-4576
  • 136 Lake St, Ephrata, PA 17522 — (717) 721-7718
  • 808 Pleasantview Dr, Ephrata, PA 17522-1644 — (717) 733-9090
  • 264 Granite Run Dr, Lancaster, PA 17601-6804 — (717) 721-8205
  • 368 W Main St, Leola, PA 17540-1761 — (717) 656-6122
  • 2320 Rothsville Rd, Lititz, PA 17543-8215 — (717) 721-4800
  • 30 W Swartzville Rd, Reinholds, PA 17569-9641 — (717) 484-4347

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence OS006535L (PA)

Record details

NPI number1790737666
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMay 17, 2006
Last updated in NPPESOctober 4, 2024
Certification dateOctober 2, 2024
Mailing address601 Memory Ln, York, PA 17402-2231

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyFAMILY PRACTICE
Medical schoolPHILADELPHIA COLLEGE OF OSTEOPATHIC MEDICINE
Graduated 1987 (39 years in practice)
Group practice Wellspan Medical Group — 2342 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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