Rostam Khoubyari, M.D.
NPI 1558665737 · Cardiovascular Disease Physician · Downey, CA
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rostam Khoubyari, M.D. is a Cardiovascular Disease Physician provider in Downey, CA (NPI 1558665737).
Provider details
- NPI number
- 1558665737
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A127733 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 documented practice locations
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 · 38 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 425 | 97 |
| Telmisartan | 331 | 116 |
| Atorvastatin Calcium | 330 | 129 |
| Metoprolol Succinate | 278 | 109 |
| Amlodipine Besylate | 255 | 104 |
| Carvedilol | 175 | 70 |
| Furosemide | 124 | 56 |
Practice location
Mailing address
Additional practice locations (2)
- 7091 E Speedway BlvdTucson, AZ 85710-1241Phone: (520) 721-5777
- 1000 Fivepoint Ste aIrvine, CA 92618-2621Phone: (949) 671-4000
Registry dates
- Enumerated
- 2011-01-03
- Last updated
- 2026-04-09
- Certified
- 2026-04-09
Frequently asked questions
- What is Rostam Khoubyari's NPI number?
- Rostam Khoubyari's National Provider Identifier (NPI) is 1558665737, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rostam Khoubyari's specialty?
- Rostam Khoubyari is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Rostam Khoubyari located?
- Rostam Khoubyari's practice location on file with NPPES is 10000 Lakewood Blvd, Downey, CA 90240-4020.
- What is Rostam Khoubyari's phone number?
- The practice phone number listed in the NPPES registry for Rostam Khoubyari is (562) 862-3684.
- Does Rostam Khoubyari accept Medicare?
- Rostam Khoubyari is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rostam Khoubyari's NPI active?
- Yes — Rostam Khoubyari's NPI (1558665737) is active in the NPPES registry as of the last update on 2026-04-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.