NPPES file of Aug 9, 2026

Gregory M. Dunham, MD

Obstetrics & Gynecology Physician · San Angelo, TX

Gregory M. Dunham, MD is an obstetrics & gynecology physician with a practice address in San Angelo, Texas, and NPI 1679556054, issued on Nov 21, 2005. Check the license (Texas G5006, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1679556054
Name
Gregory M. Dunham
Credential
MD
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
G5006 TX
Self-reported in NPPES; status is on the state search
Practice location
220 E. Harris, San Angelo, TX 76903
Phone
(325) 481-2285
Enumerated
Nov 21, 2005
Record last updated
Dec 28, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(325) 481-2386
Medicaid ID
134491305 TX
Medicare enrollment
Enrolled (PECOS I20070918000307); accepts Medicare assignment
Medical or professional school
University Of Texas Southwestern Medical School At Dallas, 1983
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 220 E. Harris

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Laura Adams, MDObstetrics & Gynecology Physician1871575951
  2. Melissa Aleta, MDNephrology Physician1255696522
  3. Steven Alred, M.D.Family Medicine Physician1326315128
  4. Christina Arp, CNMAdvanced Practice Midwife1447627807
  5. Anna Augustin, FNPNurse Practitioner1831523448
  6. Norma Cerna, M.D.Family Medicine Physician1336307644

Verify Gregory M. Dunham in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license G5006
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Texas license search

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3.8 times the Medicare Part D claims of the average obstetrics & gynecology physician in 2024

623 Medicare Part D claims for 178 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 14 claims were for opioids.

  1. Gregory Dunham623
  2. Specialty average165

Most prescribed

  1. Estradiol220 claims
  2. Progesterone97 claims
  3. Premarin20 claims
  4. Levothyroxine Sodium19 claims
  5. Valacyclovir19 claims
  6. Nitrofurantoin Mono-Macro17 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's MIPS final score for 2023 (Medicare payment program): 95.8 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualitynot scored (reweighted)
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%95.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $10,609.24

26 payments; by number, the most common kind was travel and lodging; the largest payer was Intuitive Surgical, Inc. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Gregory Dunham$10,609
  2. Specialty average$1,031

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Shannon ClinicSan Angelo, TX
  2. The West Texas Rehabilitation CenterSan Angelo, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Gregory M. Dunham among 3,524 obstetrics & gynecology physician records in Texas

Gregory M. Dunham, MD is one of 3,524 obstetrics & gynecology physician records with a practice address in Texas. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 85% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated1983 · median 2005 among the 2,093 with a school on file
  • Record last updated2017 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Obstetrics & Gynecology Physician providers in Texas

There are 3,524 obstetrics & gynecology physician records in Texas.

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Laura Adams, MDSan Angelo, TX 769031871575951
  2. Rosalinda Carrizales, DOSan Angelo, TX 769031033171152
  3. Victoria Chavez, DOSan Angelo, TX 769031356927107
  4. Deborah Hajovsky, MDSan Angelo, TX 769031508822511
  5. Genevieve Mejia, MDSan Angelo, TX 769031356502488
  6. John Meyer, MDSan Angelo, TX 769031841272291
  7. Jennifer Moss, MDSan Angelo, TX 769031508019993
  8. Yvonne Novak, MDSan Angelo, TX 769031659354934

Common questions

What is Gregory M. Dunham, MD's NPI number?

Gregory M. Dunham, MD's National Provider Identifier (NPI) is 1679556054, issued on Nov 21, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Gregory M. Dunham, MD located?

The NPPES record lists a practice address at 220 E. Harris, San Angelo, TX, 76903. Phone: (325) 481-2285. Providers update this record themselves, so call before visiting.

How can I verify Gregory M. Dunham, MD's license?

NPPES lists Texas license number G5006, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Gregory M. Dunham, MD prescribe under Medicare Part D?

In 2024, Gregory M. Dunham, MD had 623 Medicare Part D claims for 178 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.

What is Gregory M. Dunham, MD's MIPS final score?

The 2023 MIPS final score is 95.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.