Byron Rastegari, DO
NPI 1912550880 · Internal Medicine Physician · Downey, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Byron Rastegari, DO is a Internal Medicine Physician provider in Downey, CA (NPI 1912550880).
Provider details
- NPI number
- 1912550880
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 20A20280 (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
6 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 · 103 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 729 | 307 |
| Lisinopril | 446 | 182 |
| Metformin Hcl | 385 | 148 |
| Losartan Potassium | 369 | 139 |
| Amlodipine Besylate | 333 | 137 |
| Rosuvastatin Calcium | 328 | 139 |
| Levothyroxine Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-07-19
- Last updated
- 2024-02-15
- Certified
- 2024-02-15
Frequently asked questions
- What is Byron Rastegari's NPI number?
- Byron Rastegari's National Provider Identifier (NPI) is 1912550880, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Byron Rastegari's specialty?
- Byron Rastegari is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Byron Rastegari located?
- Byron Rastegari's practice location on file with NPPES is 9449 Imperial Hwy, Downey, CA 90242-2814.
- What is Byron Rastegari's phone number?
- The practice phone number listed in the NPPES registry for Byron Rastegari is (833) 574-2273.
- Does Byron Rastegari accept Medicare?
- Byron Rastegari is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Byron Rastegari's NPI active?
- Yes — Byron Rastegari's NPI (1912550880) is active in the NPPES registry as of the last update on 2024-02-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.