Raymond Davis, MD
NPI 1578641379 · Internal Medicine Physician · Oakland, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Raymond Davis, MD is a Internal Medicine Physician provider in Oakland, CA (NPI 1578641379).
Provider details
- NPI number
- 1578641379
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A70761 (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 · 102 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 411 | 152 |
| Amlodipine Besylate | 312 | 103 |
| Hydrochlorothiazide | 207 | 76 |
| Losartan Potassium | 196 | 67 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 188 | 46 |
| Lisinopril | 182 | 71 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-01
- Last updated
- 2021-12-13
Frequently asked questions
- What is Raymond Davis's NPI number?
- Raymond Davis's National Provider Identifier (NPI) is 1578641379, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Raymond Davis's specialty?
- Raymond Davis is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Raymond Davis located?
- Raymond Davis's practice location on file with NPPES is 275 W Macarthur Blvd, Oakland, CA 94611-5641.
- What is Raymond Davis's phone number?
- The practice phone number listed in the NPPES registry for Raymond Davis is (510) 752-1000.
- Does Raymond Davis accept Medicare?
- Raymond Davis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Raymond Davis's NPI active?
- Yes — Raymond Davis's NPI (1578641379) 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.