1. Home
  2. Directory
  3. Texas
  4. Tyler
  5. Obstetrics Gynecology
  6. NPI Profile

DR. MARGARET ANNE WARREN D.O.
NPI 1841519394
Obstetrics & Gynecology - Maternal & Fetal Medicine in Tyler, TX

Active since May 24, 2010PECOS EnrolledAccepts Medicare Assignment
620 S FLEISHEL AVE, TYLER, TX 75701(903) 606-4900 Get Directions Write a Review

NPPES record last updated: September 20, 2022. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Sep 20, 2022, Nov 9, 2020, Oct 29, 2020 (3 updates tracked since 2020).

About Dr. Margaret Anne Warren D.o. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MARGARET ANNE WARREN D.O. (NPI 1841519394) is an individual maternal & fetal medicine provider in Tyler, Texas, licensed in Texas (R5679) and active in the NPI registry since May 2010. She is enrolled in Medicare PECOS and is a graduate of Other (2010).

NPPES Registry Identity

NPI1841519394
Entity TypeIndividualFemale
Primary Taxonomy207VM0101X
Provider Legal NameDR. MARGARET ANNE WARRENCredential: D.O.
Location Address620 S FLEISHEL AVETyler, TX 75701-2041
Mailing Address620 S Fleishel AveTyler, TX 75701-2041 · (903) 606-4900 · Fax (903) 606-4699
Phone(903) 606-4900
Sole ProprietorNo
Medical School CMSOtherGraduated 2010
Enumeration DateMay 24, 2010
Last NPPES UpdateSeptember 20, 20223 updates tracked since enumeration
NPPES CertifiedSeptember 20, 2022
✔ NPI 1841519394 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyObstetrics & Gynecology · Maternal & Fetal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207VM0101X
License✔ Licensed in TX · R5679
Definition
An 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 effect on both the mother and the fetus. The specialist also possesses expertise in the most current diagnostic and treatment modalities used in the care of patients with complicated pregnancies.
Also ListedObstetrics & GynecologyTaxonomy 207V00000X · License R5679 (TX), OS017025 (PA)
620 S FLEISHEL AVE, Tyler, TX 75701
Open in Google Maps ↗

Other Names 1

Other Name (5)Maggie Warren D.o

Other Identifiers 1

Medicaid102917724PA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Margaret Anne Warren D.o. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6800010638
PECOS Enrollment IDI20180321002341
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 75701 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$126.40 typical visit price
range $54.84 – $166.88
Typical copayment $31.60 (range $13.71 – $41.72)
Most-billed visit code 99204
Established Patient
$68.55 typical visit price
range $17.52 – $136.11
Typical copayment $17.13 (range $4.38 – $34.02)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 6

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

TRINCARE INC
Clinical Medical Laboratory
620 S FLEISHEL AVE
TYLER, TX 75701
Smith County (903) 510-1193
MOJIRAYO A. SARUMI D.O.
Obstetrics & Gynecology (Maternal & Fetal Medicine)
620 S FLEISHEL AVE
TYLER, TX 75701
Smith County (903) 606-4900
RAJESHWARI KOTI MS, MSC, CGC
Genetic Counselor, MS
620 S FLEISHEL AVE
TYLER, TX 75701
Smith County (903) 606-4900
SUWAN MEHRA MD
Obstetrics & Gynecology (Maternal & Fetal Medicine)
620 S FLEISHEL AVE
TYLER, TX 75701
Smith County (903) 606-4900
DR. FREDERICO GUILHERME ROCHA M.D.
Obstetrics & Gynecology
620 S FLEISHEL AVE
TYLER, TX 75701
Smith County (903) 606-4900
HEATHER MACDONALD LUCAS MS
Genetic Counselor, MS
620 S FLEISHEL AVE
TYLER, TX 75701
Smith County (903) 606-4900

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Margaret Warren's NPI number?

The NPI number for Margaret Warren is 1841519394. It was assigned to this individual provider in the NPPES registry on May 24, 2010. The provider is also known as Maggie Warren D.O.

Where is Margaret Warren located?

Margaret Warren practices at 620 S Fleishel Ave, Tyler, TX 75701. The listed phone number is (903) 606-4900.

What is Margaret Warren's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Maternal & Fetal Medicine, with taxonomy code 207VM0101X.

Is Margaret Warren enrolled in Medicare?

Yes. Margaret Warren is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Margaret Warren accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 7 other insurers list Margaret Warren as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Margaret Warren was last updated on September 20, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.