Ellen Rosenthal, MD
NPI 1609948231 · Internal Medicine Physician · San Rafael, CA
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ellen Rosenthal, MD is a Internal Medicine Physician provider in San Rafael, CA (NPI 1609948231).
Provider details
- NPI number
- 1609948231
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- G82191 (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 · 57 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 198 | 51 |
| Amlodipine Besylate | 135 | 27 |
| Omeprazole | 91 | 21 |
| Gabapentin | 90 | 20 |
| Lisinopril | 86 | 19 |
| Losartan Potassium | 84 | 25 |
| Levothyroxine Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-15
- Last updated
- 2016-02-02
Frequently asked questions
- What is Ellen Rosenthal's NPI number?
- Ellen Rosenthal's National Provider Identifier (NPI) is 1609948231, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ellen Rosenthal's specialty?
- Ellen Rosenthal is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ellen Rosenthal located?
- Ellen Rosenthal's practice location on file with NPPES is 3260 Kerner Blvd, San Rafael, CA 94901-4861.
- What is Ellen Rosenthal's phone number?
- The practice phone number listed in the NPPES registry for Ellen Rosenthal is (415) 473-7377.
- Does Ellen Rosenthal accept Medicare?
- Ellen Rosenthal is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ellen Rosenthal's NPI active?
- Yes — Ellen Rosenthal's NPI (1609948231) is active in the NPPES registry as of the last update on 2016-02-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.