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DR. AZITA ROBATI HASSAS M.D.
NPI 1972891679
General Practice in Tustin, CA

Active since July 14, 2011PECOS Enrolled
661 W 1ST ST STE G, TUSTIN, CA 92780(714) 665-9890(714) 665-9891 Get Directions Write a Review

NPPES record last updated: October 22, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Azita Robati Hassas M.d. NPPES

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

DR. AZITA ROBATI HASSAS M.D. (NPI 1972891679) is an individual general practice provider in Tustin, California, licensed in California (A108511) and active in the NPI registry since July 2011. She is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1972891679
Entity TypeIndividualFemale
Primary Taxonomy208D00000X
Provider Legal NameDR. AZITA ROBATI HASSASCredential: M.D.
Location Address661 W 1ST ST STE GTustin, CA 92780-2939
Mailing Address661 W 1st St Ste GTustin, CA 92780-2939 · (714) 665-9890 · Fax (714) 665-9891
Phone(714) 665-9890
Fax(714) 665-9891
Sole ProprietorNo
Enumeration DateJuly 14, 2011
Last NPPES UpdateOctober 22, 2025
NPPES CertifiedOctober 22, 2025
✔ NPI 1972891679 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyGeneral PracticeAllopathic & Osteopathic Physicians
Taxonomy Code208D00000X
License✔ Licensed in CA · A108511
Definition
A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions. Source: National Uniform Claim Committee
661 W 1ST ST STE G, Tustin, CA 92780
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Secondary Practice Locations 2

Location 19918 Katella Ave Ste A-CAnaheim, CA 92804-6465 · Phone (714) 644-9494 · Fax (714) 644-9894
Location 211180 Warner Ave Ste 353Fountain Valley, CA 92708-4098 · Phone (714) 968-6789 · Fax (714) 202-2626

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Azita Robati Hassas M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Azita Hassas reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Families Together Of Orange County
Same address
Clinic/Center
661 W 1ST ST, STE. G
Tustin, CA 92780
  • Reassigned Medicare billing, California enrollment
  • 86 clinicians in this Medicare group
NPI 1194122457 (714) 665-9890

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

Other Providers at the Same Location NPPES 20

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

NICOLE ROLLE NOCHE NP
Nurse Practitioner (Women's Health)
661 W 1ST ST STE G
TUSTIN, CA 92780
Orange County (714) 665-9890
CRYSTAL MARTIN PA
Physician Assistant
661 W 1ST ST STE G
TUSTIN, CA 92780
Orange County (714) 665-9890
EILEEN MARTHA GOMEZ NP
Nurse Practitioner (Family)
661 W 1ST ST STE G
TUSTIN, CA 92780
Orange County (714) 665-9890
DR. ROBERT J BORROWDALE M.D.
Obstetrics & Gynecology
661 W 1ST ST STE G
TUSTIN, CA 92780
Orange County (714) 665-9890
MR. CARLOS GUERRERO PA-C
Physician Assistant
661 W 1ST ST STE G
TUSTIN, CA 92780
Orange County (714) 665-9890
CHRISTINA VO FURUYA NP
Nurse Practitioner (Family)
661 W 1ST ST STE G
TUSTIN, CA 92780
Orange County (714) 665-9890
FAMILIES TOGETHER OF ORANGE COUNTY
Clinic/Center (Primary Care)
661 W 1ST ST STE G
TUSTIN, CA 92780
Orange County (714) 665-9890
TODD NGUYEN NP
Nurse Practitioner
661 W 1ST ST STE G
TUSTIN, CA 92780
Orange County (714) 665-9890

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 Azita Hassas's NPI number?

The NPI number for Azita Hassas is 1972891679. It was assigned to this individual provider in the NPPES registry on July 14, 2011.

Where is Azita Hassas located?

Azita Hassas practices at 661 W 1st St Ste G, Tustin, CA 92780. The listed phone number is (714) 665-9890.

What is Azita Hassas's specialty?

The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.

Is Azita Hassas enrolled in Medicare?

Yes. Azita Hassas is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Azita Hassas's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Azita Hassas reassigns Medicare benefits to Families Together Of Orange County (Tustin, 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 Azita Hassas'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 Azita Hassas was last updated on October 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.