John Rosoff, MD
NPI 1780762377 · Anesthesiology Physician · Redwood City, CA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Rosoff, MD is a Anesthesiology Physician provider in Redwood City, CA (NPI 1780762377).
Provider details
- NPI number
- 1780762377
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G83020 (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
19 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
- 2006-11-01
- Last updated
- 2021-12-06
Frequently asked questions
- What is John Rosoff's NPI number?
- John Rosoff's National Provider Identifier (NPI) is 1780762377, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Rosoff's specialty?
- John Rosoff is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is John Rosoff located?
- John Rosoff's practice location on file with NPPES is 1150 Veterans Blvd, Redwood City, CA 94063-2037.
- What is John Rosoff's phone number?
- The practice phone number listed in the NPPES registry for John Rosoff is (650) 299-2000.
- Does John Rosoff accept Medicare?
- John Rosoff is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Rosoff's NPI active?
- Yes — John Rosoff's NPI (1780762377) is active in the NPPES registry as of the last update on 2021-12-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.