SEAN ROBERT TOWNSEND MD
NPI 1528058617
Internal Medicine - Critical Care Medicine in San Francisco, CA
About Sean Robert Townsend Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SEAN ROBERT TOWNSEND MD (NPI 1528058617) is an individual critical care medicine provider in San Francisco, California, licensed in California (A111480) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS and maintains a secondary practice location in Worcester.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Sean Robert Townsend Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Sean Townsend reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Francisco, CA 94109
- Reassigned Medicare billing, California enrollment
- 28 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94109 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN FRANCISCO, CA 94109
SAN FRANCISCO, CA 94109
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Sean Townsend's NPI number?
The NPI number for Sean Townsend is 1528058617. It was assigned to this individual provider in the NPPES registry on October 28, 2005.
Where is Sean Townsend located?
Sean Townsend practices at 1101 Van Ness Ave, San Francisco, CA 94109. The listed phone number is (617) 921-3237.
What is Sean Townsend's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.
Is Sean Townsend enrolled in Medicare?
Yes. Sean Townsend is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Sean Townsend's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sean Townsend reassigns Medicare benefits to San Francisco Critical Care Med Group Inc (San Francisco, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Sean Townsend's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Sean Townsend was last updated on August 17, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Sean Robert Townsend, MD · NPI 1528058617
Critical Care Medicine physician in San Francisco, California. Individual provider, active in the CMS NPPES registry since October 28, 2005.
## Identity
- **NPI:** 1528058617 (Entity type: Individual)
- **Enumerated:** October 28, 2005
- **Primary specialty:** Internal Medicine - Critical Care Medicine · taxonomy 207RC0200X
- **State license:** A111480 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1101 VAN NESS AVE, San Francisco, CA 94109-6919
- **Phone:** (617) 921-3237 · **Fax:** (415) 865-4180
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** San Francisco Critical Care Med Group Inc (NPI 1215000211, San Francisco, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 17, 2022
---
Source: [NPI Profile](https://npiprofile.com/npi/1528058617) · Data from the CMS NPPES public registry.