Douglas Epperson, MD
NPI 1689752453 · Internal Medicine Physician · Oakland, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Douglas Epperson, MD is a Internal Medicine Physician provider in Oakland, CA (NPI 1689752453).
Provider details
- NPI number
- 1689752453
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A65652 (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 · 88 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 395 | 148 |
| Amlodipine Besylate | 213 | 80 |
| Lisinopril | 162 | 55 |
| Levothyroxine Sodium | 152 | 51 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 138 | 39 |
| Famotidine | 131 | 44 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-01
- Last updated
- 2021-12-13
Frequently asked questions
- What is Douglas Epperson's NPI number?
- Douglas Epperson's National Provider Identifier (NPI) is 1689752453, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Douglas Epperson's specialty?
- Douglas Epperson is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Douglas Epperson located?
- Douglas Epperson's practice location on file with NPPES is 275 W Macarthur Blvd, Oakland, CA 94611-5641.
- What is Douglas Epperson's phone number?
- The practice phone number listed in the NPPES registry for Douglas Epperson is (510) 752-1000.
- Does Douglas Epperson accept Medicare?
- Douglas Epperson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Douglas Epperson's NPI active?
- Yes — Douglas Epperson's NPI (1689752453) 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.