● Active Type 1 · Individual

DR. John F Irwin, M.D.

Obstetrics & Gynecology·Houston, TX· NPI 1518960566 · Enumerated 2005 · 21 years on NPI

Irwin is 1 of 60 obstetrics & gynecology providers in Houston and 1 of 362 in Texas.

NPI age

21 years

Enumerated 2005-05-23

Primary specialty

Obstetrics & Gynecology

Plus 1 subspecialty

Licensed in

1 state

Status

Active

No deactivations on record

Last NPPES update

2019-07-09

Source: monthly bulk 2026-05

Sole proprietor

May be part of a larger org

How this provider compares

Across 362 active obstetrics & gynecology providers in Texas.

NPI age

21 years

↑ 2 yr above median (19 yr)

State licenses

1 state

4% of peers hold multiple states

Subspecialties

In the 21% of peers with subspecialties

NPI lifetime · 2005 → 2026

2005-05Enumerated in NPPES

2005 2026

Where they practice

Practice location

7900 Fannin St Ste 4000, Obgyn Medical Center Associates Pllc

Houston, TX 770542935

📞 7135127500fax 7135127676

Mailing address

7900 Fannin St Ste 4000, Obgyn Medical Center Associates Pllc

Houston, TX 770542935

📞 7135127500fax 7135127676

Specialties

Allopathic & Osteopathic Physicians › Obstetrics & Gynecology

Obstetrics & Gynecology Primary

A physician who specializes in diagnosis, treatment, and management of patients with gynecologic conditions.

TX license #D9508 taxonomy 207VG0400X
Obstetrics & Gynecology

An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other...

TX license #D9508 taxonomy 207V00000X

Identifiers

Type	Value	Notes
05 (TX)	1170920-03
01 (TX)	83050G	BLUE CROSS & BLUE SHIELD

Practice context

Part of a multi-provider practice. 22 other active providers share this practice address in NPPES.

Recently enumerated nearby: 1 new obstetrics & gynecology provider has been added in Houston in the last 180 days. See all →

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How to verify this provider

Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
Check the state license is currently active.State licensing boards publish current status; NPPES does not.
Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.