Dana Dumitru, D.O.
NPI 1548407638 · Internal Medicine Physician · Downey, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dana Dumitru, D.O. is a Internal Medicine Physician provider in Downey, CA (NPI 1548407638).
Provider details
- NPI number
- 1548407638
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- No
- License
- 20A10090 (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
17 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 · 81 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 367 | 133 |
| Lisinopril | 229 | 88 |
| Losartan Potassium | 192 | 62 |
| Semaglutidebrand: Ozempic | 144 | 22 |
| Amlodipine Besylate | 132 | 50 |
| Metformin Hcl | 130 | 45 |
| Glipizide |
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-01-12
- Last updated
- 2021-12-13
Frequently asked questions
- What is Dana Dumitru's NPI number?
- Dana Dumitru's National Provider Identifier (NPI) is 1548407638, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dana Dumitru's specialty?
- Dana Dumitru is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Dana Dumitru located?
- Dana Dumitru's practice location on file with NPPES is 9449 Imperial Hwy, Downey, CA 90242-2814.
- What is Dana Dumitru's phone number?
- The practice phone number listed in the NPPES registry for Dana Dumitru is (562) 657-2354.
- Does Dana Dumitru accept Medicare?
- Dana Dumitru is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dana Dumitru's NPI active?
- Yes — Dana Dumitru's NPI (1548407638) is active in the NPPES registry as of the last update on 2021-12-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.