Doctor profile · Federal record

Dr. Margaret Warren, D.O.

Maternal & Fetal Medicine Physician (CMS: Obstetrics/Gynecology) · Obstetrics & Gynecology Physician · Obstetrics & Gynecology Physician · Tyler, TX

  • NPI 1841519394
  • Accepts Medicare
  • 16 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
620 S Fleishel Ave
Tyler, TX 757012041
(903) 606-4900
Additional location
7950 Floyd Curl Dr Ste 904
San Antonio, TX 782293926
(214) 614-2209
fax (210) 593-0329

Credentials & registration

NPPES · NUCC
NPI registered
May 2010 — 16 yrs on file
Profile last updated
September 20, 2022
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
207VM0101X — NUCC code
State licenses (2)
Texas #R5679 · Pennsylvania #OS017025
Medicaid
PA #102917724

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1841519394. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$22
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Abbott Laboratories 1 $21.69

By nature of payment

Food and Beverage
$22

Frequently asked questions

Auto-generated from federal data
What is Dr. Margaret Warren's medical specialty?
Dr. Margaret Warren practices Maternal & Fetal Medicine Physician in Tyler, TX.
Where does Dr. Margaret Warren practice?
Dr. Margaret Warren practices at 620 S Fleishel Ave, Tyler, TX 757012041. Office phone: 9036064900.
What is Dr. Margaret Warren's NPI?
Dr. Margaret Warren's National Provider Identifier (NPI) is 1841519394, issued by NPPES.
Does Dr. Margaret Warren accept Medicare assignment?
Yes. Dr. Margaret Warren accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.