NPI age
16 years
Enumerated 2010-05-24
● Active
Type 1 · Individual
DR. Margaret Anne Warren, D.O.
Warren is 1 of 6 obstetrics & gynecology providers in Tyler and 1 of 350 in Texas.
Primary specialty
Obstetrics & Gynecology
Plus 2 subspecialties
Licensed in
TX, PA
2 states
Status
Active
No deactivations on record
Last NPPES update
2022-09-20
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 350 active obstetrics & gynecology providers in Texas.
NPI age
16 years
↓ 2 yr below median (18 yr)
State licenses
2 states
Top 72% — 27% of peers are multi-state
Subspecialties
1
In the 56% of peers with subspecialties
NPI lifetime · 2010 → 2026
2010-05Enumerated in NPPES
2010
2026
Where they practice
Practice location
620 S Fleishel Ave
Tyler, TX 757012041
Mailing address
620 S Fleishel Ave
Tyler, TX 757012041
Additional practice locations
1 secondary location on file with NPPES.
Location 2
7950 Floyd Curl Dr Ste 904
San Antonio, TX 782293926
Specialties
-
Obstetrics & Gynecology PrimaryAn obstetrician/gynecologist who cares for, or provides consultation on, patients with complications of pregnancy. This specialist has advanced knowledge of the obstetrical, medical and surgical complications of pregnancy and their...
-
Obstetrics & GynecologyAn 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...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (PA) | 102917724 |
Multi-state credentialing: Licensed in 2 states. Useful context for credentialers building cross-state provider networks.
Practice context
Part of a multi-provider practice. 5 other active providers share this practice address in NPPES.
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Request a quote →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.