Reena Concepcion, MD
NPI 1386878122 · Internal Medicine Physician · Oakland, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Reena Concepcion, MD is a Internal Medicine Physician provider in Oakland, CA (NPI 1386878122).
Provider details
- NPI number
- 1386878122
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A107400 (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 · 97 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 545 | 181 |
| Amlodipine Besylate | 355 | 117 |
| Lisinopril | 281 | 92 |
| Losartan Potassium | 249 | 80 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 233 | 29 |
| Hydrochlorothiazide | 214 | 66 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-05-07
- Last updated
- 2022-01-06
Frequently asked questions
- What is Reena Concepcion's NPI number?
- Reena Concepcion's National Provider Identifier (NPI) is 1386878122, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Reena Concepcion's specialty?
- Reena Concepcion is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Reena Concepcion located?
- Reena Concepcion's practice location on file with NPPES is 280 W Macarthur Blvd, Oakland, CA 94611-5642.
- What is Reena Concepcion's phone number?
- The practice phone number listed in the NPPES registry for Reena Concepcion is (510) 752-7867.
- Does Reena Concepcion accept Medicare?
- Reena Concepcion is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Reena Concepcion's NPI active?
- Yes — Reena Concepcion's NPI (1386878122) is active in the NPPES registry as of the last update on 2022-01-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.