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GERALDINE SHIRZAI MD
NPI 1609404284
Obstetrics & Gynecology - Gynecology in Walnut Creek, CA

Active since March 30, 2020PECOS EnrolledAccepts Medicare Assignment
1515 NEWELL AVE, WALNUT CREEK, CA 94596(925) 737-3798 Get Directions Write a Review

NPPES record last updated: September 27, 2024. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Sep 27, 2024, Oct 25, 2023, Mar 30, 2020 (3 updates tracked since 2020).

About Geraldine Shirzai Md NPPES

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

GERALDINE SHIRZAI MD (NPI 1609404284) is an individual gynecology provider in Walnut Creek, California, licensed in California (A198790) and active in the NPI registry since March 2020. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of University Of California, Geffen School Of Medicine (2020).

NPPES Registry Identity

NPI1609404284
Entity TypeIndividualFemale
Primary Taxonomy207VG0400X
Provider Legal NameGERALDINE SHIRZAICredential: MD
Location Address1515 NEWELL AVEWalnut Creek, CA 94596-5120
Mailing Address1425 S Main StWalnut Creek, CA 94596-5318
Phone(925) 737-3798
Sole ProprietorNo
Medical School CMSUniversity Of California, Geffen School Of MedicineGraduated 2020
Enumeration DateMarch 30, 2020
Last NPPES UpdateSeptember 27, 20243 updates tracked since enumeration
NPPES CertifiedSeptember 27, 2024
✔ NPI 1609404284 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyObstetrics & Gynecology · GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207VG0400X
License✔ Licensed in CA · A198790
Definition
A physician who specializes in diagnosis, treatment, and management of patients with gynecologic conditions. Source: National Uniform Claim Committee
Also ListedObstetrics & Gynecology · ObstetricsTaxonomy 207VX0000X · License A198790 (CA)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
1515 NEWELL AVE, Walnut Creek, CA 94596
Open in Google Maps ↗

Secondary Practice Locations 2

Location 12000 Canal StNew Orleans, LA 70112-3018 · Phone (504) 702-3000
Location 210833 Le Conte Ave # Chs27139Los Angeles, CA 90095-3075 · Phone (310) 825-9945

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

Geraldine Shirzai 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 ID7618382623
PECOS Enrollment IDI20241004001095
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 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
$153.83 typical visit price
range $69.00 – $202.35
Typical copayment $38.45 (range $17.25 – $50.58)
Most-billed visit code 99204
Established Patient
$84.91 typical visit price
range $23.44 – $166.46
Typical copayment $21.22 (range $5.86 – $41.61)
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 8

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

MRS. HANNELORE HARWOOD NP
Nurse Practitioner (Women's Health)
1515 NEWELL AVE
WALNUT CREEK, CA 94596
Contra Costa County (925) 295-5447
NATALIE Y CHANG D.O.
Internal Medicine
1515 NEWELL AVE
WALNUT CREEK, CA 94596
Contra Costa County (925) 295-4070
DR. SERENA LIN
Obstetrics & Gynecology
1515 NEWELL AVE, DEPARTMENT OF WOMEN'S HEALTH
WALNUT CREEK, CA 94596
Contra Costa County (925) 295-4040
DR. ANDREW LIN M.D.
Internal Medicine (Nephrology)
1515 NEWELL AVE
WALNUT CREEK, CA 94596
Contra Costa County (925) 295-6333
DR. LILLIAN TSENG M.D.
Internal Medicine
1515 NEWELL AVE
WALNUT CREEK, CA 94596
Contra Costa County (925) 295-4000
BETTY SHEAU-JING TSAI DO MD
Otolaryngology
1515 NEWELL AVE
WALNUT CREEK, CA 94596
Contra Costa County (925) 295-4000
DR. WHITNEY M DEWALT M.D.
Obstetrics & Gynecology
1515 NEWELL AVE
WALNUT CREEK, CA 94596
Contra Costa County (925) 295-4000
JONATHAN NGUYEN M.D.
Internal Medicine
1515 NEWELL AVE
WALNUT CREEK, CA 94596
Contra Costa County (925) 295-4000

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 Geraldine Shirzai's NPI number?

The NPI number for Geraldine Shirzai is 1609404284. It was assigned to this individual provider in the NPPES registry on March 30, 2020.

Where is Geraldine Shirzai located?

Geraldine Shirzai practices at 1515 Newell Ave, Walnut Creek, CA 94596. The listed phone number is (925) 737-3798.

What is Geraldine Shirzai's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Gynecology, with taxonomy code 207VG0400X.

Is Geraldine Shirzai enrolled in Medicare?

Yes. Geraldine Shirzai 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.

When was this NPI record last updated?

The NPPES record for Geraldine Shirzai was last updated on September 27, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 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.