Gregory Sheehan, M.D.
Anesthesiology Physician · Los Angeles, CA
Gregory Sheehan, M.D. is an anesthesiology physician with a practice address in Los Angeles, California, and NPI 1114389749, issued on Mar 23, 2016. Check the license (California A165880, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Gregory Sheehan
- Credential
- M.D.
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- A165880 CA
Self-reported in NPPES; status is on the state search - Practice location
- 757 Westwood Plz Ste 3304, Los Angeles, CA 90095
- Phone
- (310) 267-8653
- Enumerated
- Mar 23, 2016
- Record last updated
- Sep 14, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20210729002581); accepts Medicare assignment
- Medical or professional school
- Columbia University College Of Physicians And Surgeons, 2016
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 7,571 in California → Look up another NPI →
Also registered at 757 Westwood Plz Ste 3304
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Christopher Anigwe, MDStudent in an Organized Health Care Education/Training Program1750085098
- Sara Arastoo, MDStudent in an Organized Health Care Education/Training Program1174151021
- Chase BarkerStudent in an Organized Health Care Education/Training Program1881221406
- Delara Brandal, MDAnesthesiology Physician1255750196
- Lauren Calvert, MDStudent in an Organized Health Care Education/Training Program1326742743
- Gary ChanAnesthesiology Physician1346694536
Verify Gregory Sheehan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A165880Check 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
- North Shore - Lij Anesthesiology, PCForest Hills, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory Sheehan among 7,571 anesthesiology physician records in California
Gregory Sheehan, M.D. 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 2016, is newer than 80% of them.
- NPI issued2016 · 80% of these records are older, 17% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2016 · median 2006 among the 4,868 with a school on file
- Record last updated2020 · 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 Los Angeles → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Cynthia Antin, MDLos Angeles, CA 900951467491365
- Ihab Ayad, MDLos Angeles, CA 900951699714543
- Judith Brill, MDLos Angeles, CA 900951134168040
- Kwok Chan, MDLos Angeles, CA 900951528033545
- Daniel Cole, M.D.Los Angeles, CA 900951285618157
- Jeanette Derdemezi, MDLos Angeles, CA 900951881643534
- Jonathan Ho, MDLos Angeles, CA 900951053369397
- Joe Hong, MDLos Angeles, CA 900951972551356
Common questions
What is Gregory Sheehan, M.D.'s NPI number?
Gregory Sheehan, M.D.'s National Provider Identifier (NPI) is 1114389749, issued on Mar 23, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Sheehan, M.D. located?
The NPPES record lists a practice address at 757 Westwood Plz Ste 3304, Los Angeles, CA, 90095. Phone: (310) 267-8653. Providers update this record themselves, so call before visiting.
How can I verify Gregory Sheehan, M.D.'s license?
NPPES lists California license number A165880, 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.