NPPES file of Aug 9, 2026

John F. Irwin, M.D.

Gynecology Physician · Houston, TX

John F. Irwin, M.D. is a gynecology physician with a practice address in Houston, Texas, and NPI 1518960566, issued on May 23, 2005. Check the license (Texas D9508, 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
1518960566
Name
John F. Irwin
Credential
M.D.
Primary taxonomy
Gynecology Physician 207VG0400X
License number
D9508 TX
Self-reported in NPPES; status is on the state search
Practice location
7900 Fannin St Ste 4000, Houston, TX 77054
Phone
(713) 512-7500
Enumerated
May 23, 2005
Record last updated
Jul 9, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(713) 512-7676
Medicaid ID
1170920-03 TX
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 7900 Fannin St Ste 4000

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

  1. Carrie Ball, M.D.Obstetrics & Gynecology Physician1902099617
  2. Dawn Black, M.D.Obstetrics & Gynecology Physician1710980909
  3. Tara Bruce, M. D.Obstetrics & Gynecology Physician1326023946
  4. Ginger Cathey, M.D.Urogynecology and Reconstructive Pelvic Surgery (Obstetrics & Gynecology) Physician1093768145
  5. Stephen Cone, M.D.Obstetrics & Gynecology Physician1912900184
  6. Jason Cooper, M.D.Obstetrics & Gynecology Physician1326041484

Verify John F. Irwin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license D9508
    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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6.6 times the Medicare Part D claims of the average gynecology physician in 2024

1,964 Medicare Part D claims for 449 beneficiaries, against an average of 299 among the 1,919 providers of this specialty who prescribed in Part D.

  1. John Irwin1,964
  2. Specialty average299

Most prescribed

  1. Estradiol671 claims
  2. Medroxyprogesterone Acetate92 claims
  3. Progesterone69 claims
  4. Zolpidem Tartrate65 claims
  5. Norethindron-Ethinyl Estradiol60 claims
  6. Raloxifene Hcl56 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: $150.85

8 payments; by number, the most common kind was food and beverage; the largest payer was CooperSurgical, Inc. The 1,398 providers of this specialty with any payment received $2,469.88 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. John Irwin$150.85
  2. Specialty average$2,469.88

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

John F. Irwin among 229 gynecology physician records in Texas

John F. Irwin, M.D. is one of 229 gynecology physician records with a practice address in Texas. 58% 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, 80% newer
  • In a Medicare fileYes · 58% of these records are
  • In the CMS Doctors and Clinicians fileNo · 31% of these records are
  • Record last updated2019 · 71% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VG0400X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gynecology Physician providers in Texas

There are 229 gynecology physician records in Texas.

The 8 gynecology physician records with the nearest ZIP codes

  1. Robert Anding, M.D.Houston, TX 770541174526370
  2. Sandra Haldeman, M.D.Houston, TX 770541396796959
  3. Mary Neal, M.D.Houston, TX 770541326040601
  4. Michael Magliolo, M.D.Houston, TX 770581801894928
  5. Francoise Vandaele, M.D.Houston, TX 770581457359580
  6. Anthony Lucci, MDHouston, TX 770631851340509
  7. Gary Debakey, M.D.Jersey Village, TX 770401770663254
  8. Stephanie Rubalcava, NP-CHouston, TX 770761518625128

Common questions

What is John F. Irwin, M.D.'s NPI number?

John F. Irwin, M.D.'s National Provider Identifier (NPI) is 1518960566, issued on May 23, 2005. An NPI identifies a provider in billing; it is not a license.

Where is John F. Irwin, M.D. located?

The NPPES record lists a practice address at 7900 Fannin St Ste 4000, Houston, TX, 77054. Phone: (713) 512-7500. Providers update this record themselves, so call before visiting.

How can I verify John F. Irwin, M.D.'s license?

NPPES lists Texas license number D9508, 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 John F. Irwin, M.D. prescribe under Medicare Part D?

In 2024, John F. Irwin, M.D. had 1,964 Medicare Part D claims for 449 beneficiaries; the average among gynecology physician prescribers was 299. 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.