Karl Swanson, DO
NPI 1285196766 · Internal Medicine Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karl Swanson, DO is a Internal Medicine Physician provider in San Francisco, CA (NPI 1285196766).
Provider details
- NPI number
- 1285196766
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 39 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-04-03
- Last updated
- 2023-11-15
- Certified
- 2023-11-15
Frequently asked questions
- What is Karl Swanson's NPI number?
- Karl Swanson's National Provider Identifier (NPI) is 1285196766, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karl Swanson's specialty?
- Karl Swanson is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Karl Swanson located?
- Karl Swanson's practice location on file with NPPES is 533 Parnassus Ave, San Francisco, CA 94143-2208.
- What is Karl Swanson's phone number?
- The practice phone number listed in the NPPES registry for Karl Swanson is (609) 680-6679.
- Does Karl Swanson accept Medicare?
- Karl Swanson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karl Swanson's NPI active?
- Yes — Karl Swanson's NPI (1285196766) is active in the NPPES registry as of the last update on 2023-11-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.