Atosa Hormozyarihayes, M.D.
NPI 1588861157 · Family Medicine Physician · Fairfield, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Atosa Hormozyarihayes, M.D. is a Family Medicine Physician provider in Fairfield, CA (NPI 1588861157).
Provider details
- NPI number
- 1588861157
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A93584 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 99 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 232 | 34 |
| Atorvastatin Calcium | 221 | 78 |
| Levothyroxine Sodium | 196 | 57 |
| Hydrochlorothiazide | 138 | 45 |
| Losartan Potassium | 131 | 40 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 121 | 51 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-06-28
- Last updated
- 2022-01-11
Frequently asked questions
- What is Atosa Hormozyarihayes's NPI number?
- Atosa Hormozyarihayes's National Provider Identifier (NPI) is 1588861157, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Atosa Hormozyarihayes's specialty?
- Atosa Hormozyarihayes is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Atosa Hormozyarihayes located?
- Atosa Hormozyarihayes's practice location on file with NPPES is 1550 Gateway Blvd, Fairfield, CA 94533-6901.
- What is Atosa Hormozyarihayes's phone number?
- The practice phone number listed in the NPPES registry for Atosa Hormozyarihayes is (707) 427-4489.
- Does Atosa Hormozyarihayes accept Medicare?
- Atosa Hormozyarihayes is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Atosa Hormozyarihayes's NPI active?
- Yes — Atosa Hormozyarihayes's NPI (1588861157) is active in the NPPES registry as of the last update on 2022-01-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.