John Rosoff, MD
Anesthesiology Physician · Redwood City, CA
John Rosoff, MD is an anesthesiology physician with a practice address in Redwood City, California, and NPI 1780762377, issued on Nov 1, 2006. Check the license (California G83020, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- John Rosoff
- Credential
- MD
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- G83020 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1150 Veterans Blvd, Redwood City, CA 94063
- Phone
- (650) 299-2000
- Enumerated
- Nov 1, 2006
- Record last updated
- Dec 6, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 00G830200 CA
- Medicare enrollment
- Enrolled (PECOS I20101210000740); accepts Medicare assignment
- Medical or professional school
- Stanford University School Of Medicine, 1992
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 7,571 in California → Look up another NPI →
Also registered at 1150 Veterans Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify John Rosoff in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G83020Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through 2 group practices
- Lifelinc Anesthesia VI PCWatsonville, CA
- Permanente Medical Group IncRedwood City, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Rosoff among 7,571 anesthesiology physician records in California
John Rosoff, MD is one of 7,571 anesthesiology physician records with a practice address in California. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 53% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated1992 · median 2006 among the 4,868 with a school on file
- Record last updated2021 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anesthesiology Physician providers in California
There are 7,571 anesthesiology physician records in California.
All 7,571 in California → Every provider in Redwood City → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Linh Bui, MDRedwood City, CA 940631164500757
- Laura Chan, MDRedwood City, CA 940631881772440
- Jasper Chen, MDRedwood City, CA 940631174601751
- Vinod Chopra, M.D.Redwood City, CA 940631164548202
- Homai Kasad, MDRedwood City, CA 940631538231287
- Sun Leung, MDRedwood City, CA 940631063590651
- Kelly Ly, M.D.Redwood City, CA 940631134166333
- Ronald Morgan, MDRedwood City, CA 940631740368380
Common questions
What is John Rosoff, MD's NPI number?
John Rosoff, MD's National Provider Identifier (NPI) is 1780762377, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Rosoff, MD located?
The NPPES record lists a practice address at 1150 Veterans Blvd, Redwood City, CA, 94063. Phone: (650) 299-2000. Providers update this record themselves, so call before visiting.
How can I verify John Rosoff, MD's license?
NPPES lists California license number G83020, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.