Randolph Chase, M.D.
NPI 1063428225 · Internal Medicine Physician · San Francisco, CA
Randolph Chase, M.D. is a Internal Medicine Physician provider in San Francisco, CA (NPI 1063428225).
Provider details
- NPI number
- 1063428225
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G33463 (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 · 59 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 255 | 66 |
| Metoprolol Succinate | 139 | 37 |
| Amlodipine Besylate | 135 | 41 |
| Zolpidem Tartrate | 113 | 42 |
| Levothyroxine Sodium | 113 | 32 |
| Azithromycin | 82 | 65 |
| Losartan Potassium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-31
- Last updated
- 2007-07-27
Frequently asked questions
- What is Randolph Chase's NPI number?
- Randolph Chase's National Provider Identifier (NPI) is 1063428225, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Randolph Chase's specialty?
- Randolph Chase is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Randolph Chase located?
- Randolph Chase's practice location on file with NPPES is 3838 California St, San Francisco, CA 94118-1522.
- What is Randolph Chase's phone number?
- The practice phone number listed in the NPPES registry for Randolph Chase is (415) 668-2851.
- Is Randolph Chase's NPI active?
- Yes — Randolph Chase's NPI (1063428225) is active in the NPPES registry as of the last update on 2007-07-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.