Doctor profile · Federal record

Dr. Peter Oh, DO

Family Medicine Physician (CMS: Family Practice) · Ephrata, PA

  • NPI 1790737666
  • Accepts Medicare
  • 39 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 9 locations across 1 states.

NPPES Updated May 11, 2026
Primary practice
4131A Oregon Pike
Ephrata, PA 175229550
(717) 859-1123
fax (717) 859-2898
Mailing address
601 Memory Ln
York, PA 174022231
Pennsylvania — 8 locations
Additional location
1135 Georgetown RD Unit 201
Christiana, PA 175099543
(717) 466-2462
Additional location
136 Lake St
Ephrata, PA 17522
(717) 721-7718
Additional location
2320 Rothsville RD
Lititz, PA 175438215
(717) 721-4800
Additional location
264 Granite Run Dr
Lancaster, PA 176016804
(717) 721-8205
Additional location
30 W Swartzville RD
Reinholds, PA 175699641
(717) 484-4347
Additional location
368 W Main St
Leola, PA 175401761
(717) 656-6122
Additional location
770 Broad St
East Earl, PA 175199752
(717) 445-4576
Additional location
808 Pleasantview Dr
Ephrata, PA 175221644
(717) 733-9090

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
October 4, 2024
Year of graduation
1987 — 39 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Pennsylvania #OS006535L
Medicaid
PA #1021128500001

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1790737666. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
569
Distinct HCPCS
8
Medicare allowed
$59,764
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 330 194 $124
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 80 80 $125
93793 Anticoagulant management of patient taking warfarin 67 16 $11
G0008 Administration of influenza virus vaccine 22 22 $29
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 20 20 $281
G0009 Administration of pneumococcal vaccine 20 20 $29
90662 Influenza vaccine split virus, preservative free 18 18 $72
81002 Urinalysis, manual test 12 12 $3

In context: peer comparison

Among 15 peers in this city , average services per provider: 59. This provider delivers 9.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$269
Transactions
3
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 1 $125.00
Lilly USA, LLC 1 $74.71
Amgen Inc. 1 $69.11

By nature of payment

Food and Beverage
$269

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,184
Patients
645
Total drug cost
$36,386
Drug Type Claims Patients Total cost
Lisinopril Generic 337 92 $2,937
Simvastatin Generic 213 59 $2,577
Atorvastatin Calcium Generic 176 48 $2,471
Gabapentin Generic 175 57 $5,956
Levothyroxine Sodium Generic 168 44 $2,467
Omeprazole Generic 162 45 $2,712
Metformin Hcl Generic 159 43 $1,541
Amlodipine Besylate Generic 134 41 $959
Tamsulosin Hcl Generic 124 30 $2,822
Metoprolol Succinate Generic 114 35 $2,506

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Peter Oh's medical specialty?
Dr. Peter Oh practices Family Medicine Physician in Ephrata, PA.
Where does Dr. Peter Oh practice?
Dr. Peter Oh practices at 4131A Oregon Pike, Ephrata, PA 175229550. Office phone: 7178591123.
What is Dr. Peter Oh's NPI?
Dr. Peter Oh's National Provider Identifier (NPI) is 1790737666, issued by NPPES.
Does Dr. Peter Oh accept Medicare assignment?
Yes. Dr. Peter Oh accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Peter Oh commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Anticoagulant management of patient taking warfarin (HCPCS 93793). Source: CMS Medicare Physician & Other Practitioners file.