Joshua Rassen
NPI 1902885510 · Internal Medicine Physician · San Francisco, CA
Joshua Rassen is a Internal Medicine Physician provider in San Francisco, CA (NPI 1902885510).
Provider details
- NPI number
- 1902885510
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- Yes
- License
- G27677 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
32 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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 does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 32 | $99 |
Typical Medicare-allowed amounts for these services range $99–$99 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 45 | 14 |
| Alendronate Sodium | 25 | — |
| Rosuvastatin Calcium | 24 | — |
| Losartan Potassium | 23 | — |
| Amlodipine Besylate | 21 | — |
| Levothyroxine Sodium | 18 | — |
| Fluticasone Propion/Salmeterolbrand: Wixela Inhub |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-01-11
- Last updated
- 2007-07-08
Frequently asked questions
- What is Joshua Rassen's NPI number?
- Joshua Rassen's National Provider Identifier (NPI) is 1902885510, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joshua Rassen's specialty?
- Joshua Rassen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Joshua Rassen located?
- Joshua Rassen's practice location on file with NPPES is 700 25th Ave, San Francisco, CA 94121-3612.
- What is Joshua Rassen's phone number?
- The practice phone number listed in the NPPES registry for Joshua Rassen is (415) 751-1446.
- Is Joshua Rassen's NPI active?
- Yes — Joshua Rassen's NPI (1902885510) 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.