Justin Christopher Grubbs
Anesthesiology Physician · San Francisco, CA
Justin Christopher Grubbs is an anesthesiology physician with a practice address in San Francisco, California, and NPI 1023495975, issued on Apr 29, 2015. Check the license (California 167111, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Justin Christopher Grubbs
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- 167111 CA
Self-reported in NPPES; status is on the state search - Practice location
- 239 Mount Vernon Ave, San Francisco, CA 94112
- Phone
- (808) 429-6979
- Enumerated
- Apr 29, 2015
- Record last updated
- Oct 26, 2023
- Medicare enrollment
- Enrolled (PECOS I20230519000749); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 7,571 in California → Look up another NPI →
Verify Justin Christopher Grubbs in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 167111Check 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 one group practice
- Anesthesia Care Associates Medical Group, IncBurlingame, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Justin Christopher Grubbs among 7,571 anesthesiology physician records in California
Justin Christopher Grubbs 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 2015, is newer than 78% of them.
- NPI issued2015 · 78% of these records are older, 20% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2015 · median 2006 among the 4,868 with a school on file
- Record last updated2023 · 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).
499 anesthesiology physician records list a practice address in San Francisco
They are 499 of the 38,143 NPPES records with a practice address in San Francisco, and 7,571 anesthesiology physician records in California.
All 7,571 in California → Every provider in San Francisco → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Taylor Bucyk, MDSan Francisco, CA 941101003508003
- Esi Dickson, MDSan Francisco, CA 941101164003745
- Katrina Jean Gabriel, MDSan Francisco, CA 941101952866956
- Maryn Kanter, MDSan Francisco, CA 941101326494097
- Anthony Kaveh, MDSan Francisco, CA 941101154702785
- Jerry Kroft, M.D.San Francisco, CA 941141336260025
- Benn Lancman, MBBSSan Francisco, CA 941101487039418
- Elodie LangSan Francisco, CA 941101265310130
Common questions
What is Justin Christopher Grubbs's NPI number?
Justin Christopher Grubbs's National Provider Identifier (NPI) is 1023495975, issued on Apr 29, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Justin Christopher Grubbs located?
The NPPES record lists a practice address at 239 Mount Vernon Ave, San Francisco, CA, 94112. Phone: (808) 429-6979. Providers update this record themselves, so call before visiting.
How can I verify Justin Christopher Grubbs's license?
NPPES lists California license number 167111, 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.