Doctor profile · Federal record

Dr. Thomas Pefok, M.D

Family Medicine Physician (CMS: Internal Medicine) · Rockville, MD

  • NPI 1679950703
  • Accepts Medicare
  • 12 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2101 E Jefferson St
Rockville, MD 20852
(301) 816-5853

Credentials & registration

NPPES · NUCC
NPI registered
April 2015 — 11 yrs on file
Profile last updated
May 29, 2021
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Maryland #D0084788

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1679950703. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
63
Distinct HCPCS
4
Medicare allowed
$3,986
HCPCS Description Services Patients Avg allowed
99212 Established patient office or other outpatient visit, 10-19 minutes 18 18 $55
99213 Established patient office or other outpatient visit, 20-29 minutes 16 14 $91
G0008 Administration of influenza virus vaccine 15 15 $35
90662 Influenza vaccine split virus, preservative free 14 14 $72

In context: peer comparison

Among 20 peers in this city , average services per provider: 95. This provider delivers 0.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,805
Patients
1,420
Total drug cost
$50,423
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 902 333 $12,853
Amlodipine Besylate Generic 517 198 $5,838
Losartan Potassium Generic 332 129 $3,664
Lisinopril Generic 298 104 $3,517
Metformin Hcl Generic 291 106 $3,287
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 206 84 $3,681
Glipizide Generic 204 80 $2,480
Gabapentin Generic 167 66 $3,413
Losartan-Hydrochlorothiazide (Losartan/Hydrochlorothiazide) Brand 147 49 $1,697
Hydrochlorothiazide Generic 142 58 $1,451

Frequently asked questions

Auto-generated from federal data
What is Dr. Thomas Pefok's medical specialty?
Dr. Thomas Pefok practices Family Medicine Physician in Rockville, MD.
Where does Dr. Thomas Pefok practice?
Dr. Thomas Pefok practices at 2101 E Jefferson St, Rockville, MD 20852. Office phone: 3018165853.
What is Dr. Thomas Pefok's NPI?
Dr. Thomas Pefok's National Provider Identifier (NPI) is 1679950703, issued by NPPES.
Does Dr. Thomas Pefok accept Medicare assignment?
Yes. Dr. Thomas Pefok accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thomas Pefok commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99212); Established patient office or other outpatient visit (HCPCS 99213); Administration of influenza virus vaccine (HCPCS G0008). Source: CMS Medicare Physician & Other Practitioners file.