Sara Swenson, MD
NPI 1609830975 · Internal Medicine Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sara Swenson, MD is a Internal Medicine Physician provider in San Francisco, CA (NPI 1609830975).
Provider details
- NPI number
- 1609830975
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- G84644 (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
26 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 26 | $149 |
Typical Medicare-allowed amounts for these services range $149–$149 (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 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 73 | 29 |
| Amlodipine Besylate | 34 | 17 |
| Citalopram Hydrobromidebrand: Citalopram Hbr | 20 | — |
| Levothyroxine Sodium | 17 | — |
| Lisinopril | 16 | — |
| Losartan Potassium | 12 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-13
- Last updated
- 2026-02-13
- Certified
- 2026-02-13
Frequently asked questions
- What is Sara Swenson's NPI number?
- Sara Swenson's National Provider Identifier (NPI) is 1609830975, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sara Swenson's specialty?
- Sara Swenson is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Sara Swenson located?
- Sara Swenson's practice location on file with NPPES is 400 Parnassus Ave, San Francisco, CA 94143-2202.
- What is Sara Swenson's phone number?
- The practice phone number listed in the NPPES registry for Sara Swenson is (415) 476-7100.
- Does Sara Swenson accept Medicare?
- Sara Swenson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sara Swenson's NPI active?
- Yes — Sara Swenson's NPI (1609830975) is active in the NPPES registry as of the last update on 2026-02-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.