JOHN ROSOFF MD
NPI 1780762377
Anesthesiology in Redwood City, CA
About John Rosoff Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN ROSOFF MD (NPI 1780762377) is an individual anesthesiology provider in Redwood City, California, licensed in California (G83020) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS and is a graduate of Stanford University School Of Medicine (1992).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
John Rosoff Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show John Rosoff reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Redwood City, CA 94063
- Reassigned Medicare billing, California enrollment
- 20,078 clinicians in this Medicare group
Watsonville, CA 95076
- Reassigned Medicare billing, California enrollment
- 44 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.
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.
REDWOOD CITY, CA 94063
REDWOOD CITY, CA 94063
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 John Rosoff's NPI number?
The NPI number for John Rosoff is 1780762377. It was assigned to this individual provider in the NPPES registry on November 1, 2006.
Where is John Rosoff located?
John Rosoff practices at 1150 Veterans Blvd, Redwood City, CA 94063. The listed phone number is (650) 299-2000.
What is John Rosoff's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is John Rosoff enrolled in Medicare?
Yes. John Rosoff is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for John Rosoff's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Rosoff reassigns Medicare benefits to 2 organizations: Permanente Medical Group Inc (Redwood City, CA) and Lifelinc Anesthesia Vi PC (Watsonville, CA). Each 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 John Rosoff'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 John Rosoff was last updated on December 6, 2021. 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.
# John Rosoff, MD · NPI 1780762377
Anesthesiology physician in Redwood City, California. Individual provider, active in the CMS NPPES registry since November 1, 2006.
## Identity
- **NPI:** 1780762377 (Entity type: Individual)
- **Enumerated:** November 1, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** G83020 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1150 VETERANS BLVD, Redwood City, CA 94063-2037
- **Phone:** (650) 299-2000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Permanente Medical Group Inc (NPI 1639252604, Redwood City, CA); Lifelinc Anesthesia Vi PC (NPI 1487221628, Watsonville, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Stanford University School Of Medicine, class of 1992
## Record status
- **NPPES last updated:** December 6, 2021
- **Other identifiers:** Medicaid 00G830200 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1780762377) · Data from the CMS NPPES public registry.