Doctor profile · Federal record

Dr. Gregory Dunham, MD

Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · San Angelo, TX

  • NPI 1679556054
  • Accepts Medicare
  • 43 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
220 E. Harris
San Angelo, TX 76903
(325) 481-2285
fax (325) 481-2386
Mailing address
Po Box 22000
San Angelo, TX 769027200

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
December 28, 2017
Year of graduation
1983 — 43 yrs since
Specialty taxonomy
207V00000X — NUCC code
State license (1)
Texas #G5006
Medicaid
TX #134491305

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1679556054. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
246
Distinct HCPCS
4
Medicare allowed
$15,876
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 104 99 $87
G0101 Cervical or vaginal cancer screening; pelvic and clinical breast examination 75 75 $37
36415 Insertion of needle into vein for collection of blood sample 37 31 $7
99214 Established patient office or other outpatient visit, 30-39 minutes 30 24 $124

In context: peer comparison

Among 7 peers in San Angelo Obstetrics & Gynecology Physician, average services per provider: 161. This provider delivers 1.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$10,609
Transactions
26
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
Intuitive Surgical, INC. 20 $10,399.22
Genmab U.S., INC. 1 $103.09
CooperSurgical, INC. 1 $43.87
Medical Device Business Services, INC. 1 $22.94
Pfizer INC. 1 $21.43
Minerva Surgical, INC 1 $14.59
Organon LLC 1 $4.10

By nature of payment

Education
$4,000
Travel and Lodging
$3,975
Compensation for Services Other Than Consulting, Including Serving As Faculty or As A Speaker at A Venue Other Than A Continuing Education Program
$2,000
Food and Beverage
$635

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
396
Patients
135
Total drug cost
$22,668
Drug Type Claims Patients Total cost
Estradiol Generic 190 75 $7,243
Progesterone (Progesterone, Micronized) Brand 70 21 $4,509
Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) Brand 30 22 $580
Fluconazole Generic 23 17 $210
Levothyroxine Sodium Generic 19 0 $242
Premarin (Estrogens, Conjugated) Brand 17 0 $8,862
Oxybutynin Chloride ER (Oxybutynin Chloride) Brand 13 0 $393
Valacyclovir (Valacyclovir Hcl) Brand 12 0 $528
Celecoxib Generic 11 0 $49
Oxybutynin Chloride Generic 11 0 $53

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Gregory Dunham's medical specialty?
Dr. Gregory Dunham practices Obstetrics & Gynecology Physician in San Angelo, TX.
Where does Dr. Gregory Dunham practice?
Dr. Gregory Dunham practices at 220 E. Harris, San Angelo, TX 76903. Office phone: 3254812285.
What is Dr. Gregory Dunham's NPI?
Dr. Gregory Dunham's National Provider Identifier (NPI) is 1679556054, issued by NPPES.
Does Dr. Gregory Dunham accept Medicare assignment?
Yes. Dr. Gregory Dunham accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Dunham commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Cervical or vaginal cancer screening; pelvic and clinical breast examination (HCPCS G0101); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.