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FATMA ELA TAHMAZ GUNDOGDU MD
NPI 1942196860
Pediatrics in Walnut Creek, CA

Active since June 16, 2025PECOS EnrolledAccepts Medicare Assignment
2139 WILMINGTON DR, WALNUT CREEK, CA 94596(925) 849-2111 Get Directions Write a Review

NPPES record last updated: June 16, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Fatma Ela Tahmaz Gundogdu Md NPPES

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

FATMA ELA TAHMAZ GUNDOGDU MD (NPI 1942196860) is an individual pediatrics provider in Walnut Creek, California, licensed in California (C203036) and active in the NPI registry since June 2025. She is enrolled in Medicare PECOS and is a graduate of Other (2003).

NPPES Registry Identity

NPI1942196860
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameFATMA ELA TAHMAZ GUNDOGDUCredential: MD
Location Address2139 WILMINGTON DRWalnut Creek, CA 94596-6238
Mailing Address2139 Wilmington DrWalnut Creek, CA 94596-6238 · (925) 849-2111
Phone(925) 849-2111
Sole ProprietorNo
Medical School CMSOtherGraduated 2003
Enumeration DateJune 16, 2025
NPPES CertifiedJune 16, 2025
✔ NPI 1942196860 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in CA · C203036
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
2139 WILMINGTON DR, Walnut Creek, CA 94596
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Fatma Ela Tahmaz Gundogdu Md 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 ID8224509500
PECOS Enrollment IDI20260608002763
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.

Medicare Billing Reassignment

Medicare enrollment records show Fatma Tahmaz Gundogdu reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Livingston Community Health
56 mi
Federally Qualified Health Center (FQHC)
1010 W LAS PALMAS AVE STE E
Patterson, CA 95363
  • Reassigned Medicare billing, California enrollment
  • 38 clinicians in this Medicare group
NPI 1295184117 (209) 394-7913

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94596 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
$104.51 typical visit price
range $69.00 – $202.35
Typical copayment $26.12 (range $17.25 – $50.58)
Most-billed visit code 99203
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Fatma Tahmaz Gundogdu's NPI number?

The NPI number for Fatma Tahmaz Gundogdu is 1942196860. It was assigned to this individual provider in the NPPES registry on June 16, 2025.

Where is Fatma Tahmaz Gundogdu located?

Fatma Tahmaz Gundogdu practices at 2139 Wilmington Dr, Walnut Creek, CA 94596. The listed phone number is (925) 849-2111.

What is Fatma Tahmaz Gundogdu's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Fatma Tahmaz Gundogdu enrolled in Medicare?

Yes. Fatma Tahmaz Gundogdu 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.

Which organization bills Medicare for Fatma Tahmaz Gundogdu's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Fatma Tahmaz Gundogdu reassigns Medicare benefits to Livingston Community Health (Patterson, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Fatma Tahmaz Gundogdu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Fatma Tahmaz Gundogdu was last updated on June 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months 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.