NPPES file of Aug 9, 2026

Gary Woodrow Duncan, M.D.

Obstetrics & Gynecology Physician · Frisco, TX

Gary Woodrow Duncan, M.D. is an obstetrics & gynecology physician with a practice address in Frisco, Texas, and NPI 1043342678, issued on Mar 9, 2007. Check the license (Texas F9381, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1043342678
Name
Gary Woodrow Duncan
Credential
M.D.
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
F9381 TX
Self-reported in NPPES; status is on the state search
Practice location
2840 Legacy Dr, Frisco, TX 75034
Phone
(972) 867-8181
Enumerated
Mar 9, 2007
Record last updated
Mar 13, 2017 (not updated in 9 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20160407000732); accepts Medicare assignment
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 2840 Legacy Dr

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

  1. Brian Barnett, M.D.Reproductive Endocrinology Physician1942229919
  2. Faith Blankenship, N.P.Family Nurse Practitioner1851743215
  3. Erin Creps, PAPhysician Assistant1265168421
  4. Nicole Jackson, D.C.Chiropractor1285099291
  5. Lowell Ku, M.D.Reproductive Endocrinology Physician1184642274
  6. Paul Meggs, M.D.Obstetrics & Gynecology Physician1548360118

Verify Gary Woodrow Duncan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license F9381
    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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2.9 times the Medicare Part D claims of the average obstetrics & gynecology physician in 2024

473 Medicare Part D claims for 104 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.

  1. Gary Duncan473
  2. Specialty average165

Most prescribed

  1. Estradiol117 claims
  2. Premarin45 claims
  3. Medroxyprogesterone Acetate28 claims
  4. Zolpidem Tartrate25 claims
  5. Alprazolam22 claims
  6. Acyclovir20 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.

Industry payments in 2024: $478.39

14 payments; by number, the most common kind was food and beverage; the largest payer was Mimedx Group, 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. Gary Duncan$478.39
  2. Specialty average$1,030.61

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

Bills Medicare through one group practice

  1. Texas Health Care PLLCWeatherford, TX

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

58 obstetrics & gynecology physician records list a practice address in Frisco

They are 58 of the 4,217 NPPES records with a practice address in Frisco, and 3,524 obstetrics & gynecology physician records in Texas.

Other obstetrics & gynecology physician records in Texas

  1. Soroush Aalipourbirgani, MDHouston, TX1144859901
  2. Dennis Abbas, M.D.Dallas, TX1013928720
  3. Mina Abbassi-Ghanavati, MDDallas, TX1154509610
  4. Lillian Abbott, MDWebster, TX1114989316
  5. Azza AbdallaSeguin, TX1659725539
  6. Jasmin Abdeldayem, MDHouston, TX1962086462
  7. Fathma Abdulkhader, MDGalveston, TX1578491866
  8. Shannon Abikhaled, MDAustin, TX1699762427
  9. Oluwatomilona Abiodun, MDAustin, TX1649857160
  10. Ahmed Abouseif, MBBCHHouston, TX1831722339

Common questions

What is Gary Woodrow Duncan, M.D.'s NPI number?

Gary Woodrow Duncan, M.D.'s National Provider Identifier (NPI) is 1043342678, issued on Mar 9, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Gary Woodrow Duncan, M.D. located?

The NPPES record lists a practice address at 2840 Legacy Dr, Frisco, TX, 75034. Phone: (972) 867-8181. Providers update this record themselves, so call before visiting.

How can I verify Gary Woodrow Duncan, M.D.'s license?

NPPES lists Texas license number F9381, 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 Gary Woodrow Duncan, M.D. prescribe under Medicare Part D?

In 2024, Gary Woodrow Duncan, M.D. had 473 Medicare Part D claims for 104 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.

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.