Susan Joseph, MD
NPI 1801960497 · Internal Medicine Physician · San Mateo, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Susan Joseph, MD is a Internal Medicine Physician provider in San Mateo, CA (NPI 1801960497).
Provider details
- NPI number
- 1801960497
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- G79794 (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 · 77 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 474 | 164 |
| Amlodipine Besylate | 356 | 123 |
| Levothyroxine Sodium | 342 | 81 |
| Metformin Hcl | 252 | 84 |
| Omeprazole | 216 | 57 |
| Losartan Potassium | 207 | 84 |
| Lisinopril |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-17
- Last updated
- 2007-07-08
Frequently asked questions
- What is Susan Joseph's NPI number?
- Susan Joseph's National Provider Identifier (NPI) is 1801960497, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Susan Joseph's specialty?
- Susan Joseph is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Susan Joseph located?
- Susan Joseph's practice location on file with NPPES is 222 W 39th Ave, San Mateo, CA 94403-4364.
- What is Susan Joseph's phone number?
- The practice phone number listed in the NPPES registry for Susan Joseph is (650) 573-2222.
- Does Susan Joseph accept Medicare?
- Susan Joseph is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Susan Joseph's NPI active?
- Yes — Susan Joseph's NPI (1801960497) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.