1. Home
  2. Directory
  3. California
  4. San Leandro
  5. Allergy Immunology
  6. NPI Profile

FARINAZ FARRAHI MD
NPI 1174661227
Allergy & Immunology in San Leandro, CA

Active since February 01, 2007PECOS EnrolledAccepts Medicare Assignment
13847 E 14TH STREET STE 112, SAN LEANDRO, CA 94578(510) 352-8535(510) 352-8644 Get Directions Write a Review

NPPES record last updated: November 8, 2019. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Farinaz Farrahi Md NPPES

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

FARINAZ FARRAHI MD (NPI 1174661227) is an individual allergy & immunology provider in San Leandro, California, licensed in California (A95425) and active in the NPI registry since February 2007. She is enrolled in Medicare PECOS and is a graduate of Stanford University School Of Medicine (2004).

NPPES Registry Identity

NPI1174661227
Entity TypeIndividualFemale
Primary Taxonomy207K00000X
Provider Legal NameFARINAZ FARRAHICredential: MD
Location Address13847 E 14TH STREET STE 112San Leandro, CA 94578-2625
Mailing Address3448 Mowry AveFremont, CA 94538-1422 · (510) 373-3000 · Fax (510) 744-9959
Phone(510) 352-8535
Fax(510) 352-8644
Sole ProprietorNo
Medical School CMSStanford University School Of MedicineGraduated 2004
Enumeration DateFebruary 1, 2007
Last NPPES UpdateNovember 8, 2019
✔ NPI 1174661227 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians
Taxonomy Code207K00000X
Licenses✔ Licensed in CA · A95425✔ Licensed in AZ · 49170
Definition
An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.
Also ListedInternal MedicineTaxonomy 207R00000X · License A95425 (CA), 49170 (AZ)
13847 E 14TH STREET STE 112, San Leandro, CA 94578
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Imperial Insurance Companies, Inc..Insurance ›

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

Farinaz Farrahi 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 ID3375790744
PECOS Enrollment IDI20120821000362
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 Reassignments

2

Medicare enrollment records show Farinaz Farrahi reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Pleasanton Allergy And Dermatology Inc
15 mi
Specialist
2324 SANTA RITA RD STE 2
Pleasanton, CA 94566
  • Reassigned Medicare billing, California enrollment
  • 6 clinicians in this Medicare group
NPI 1134466899 (925) 846-5100
Jiva Health, Inc
19 mi
Internal Medicine
3330 CLAYTON RD STE A
Concord, CA 94519
  • Reassigned Medicare billing, California enrollment
  • 66 clinicians in this Medicare group
NPI 1285223552 (925) 685-4224

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

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 Farinaz Farrahi's NPI number?

The NPI number for Farinaz Farrahi is 1174661227. It was assigned to this individual provider in the NPPES registry on February 1, 2007.

Where is Farinaz Farrahi located?

Farinaz Farrahi practices at 13847 E 14th Street Ste 112, San Leandro, CA 94578. The listed phone number is (510) 352-8535.

What is Farinaz Farrahi's specialty?

The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.

Is Farinaz Farrahi enrolled in Medicare?

Yes. Farinaz Farrahi 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 organizations bill Medicare for Farinaz Farrahi's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Farinaz Farrahi reassigns Medicare benefits to 2 organizations: Pleasanton Allergy And Dermatology Inc (Pleasanton, CA) and Jiva Health, Inc (Concord, CA). Each 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 Farinaz Farrahi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Farinaz Farrahi accept?

Health plans from Imperial Insurance Companies, Inc. list Farinaz Farrahi 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 Farinaz Farrahi was last updated on November 8, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.