Sean Townsend, MD
NPI 1528058617 · Critical Care Medicine (Internal Medicine) Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Critical Care (intensivists) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sean Townsend, MD is a Critical Care Medicine (Internal Medicine) Physician provider in San Francisco, CA (NPI 1528058617).
Provider details
- NPI number
- 1528058617
- Entity type
- Individual
- Primary specialty
- Critical Care Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A111480 (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
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 55 Lake Ave NWorcester, MA 01655-0002Phone: (508) 856-1975
Registry dates
- Enumerated
- 2005-10-28
- Last updated
- 2022-08-17
- Certified
- 2022-08-17
Frequently asked questions
- What is Sean Townsend's NPI number?
- Sean Townsend's National Provider Identifier (NPI) is 1528058617, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sean Townsend's specialty?
- Sean Townsend is listed in the NPPES registry with a primary specialty of Critical Care Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Sean Townsend located?
- Sean Townsend's practice location on file with NPPES is 1101 Van Ness Ave, San Francisco, CA 94109-6919.
- What is Sean Townsend's phone number?
- The practice phone number listed in the NPPES registry for Sean Townsend is (617) 921-3237.
- Does Sean Townsend accept Medicare?
- Sean Townsend is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sean Townsend's NPI active?
- Yes — Sean Townsend's NPI (1528058617) is active in the NPPES registry as of the last update on 2022-08-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.