John L. Oakley, M.D.
Anesthesiology Physician · Pomona, CA
John L. Oakley, M.D. is an anesthesiology physician with a practice address in Pomona, California, and NPI 1841233921, issued on Jun 14, 2006. Check the license (California A51957, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- John L. Oakley
- Credential
- M.D.
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- A51957 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1798 N Garey Ave, Pomona, CA 91767
- Phone
- (909) 865-9140
- Enumerated
- Jun 14, 2006
- Record last updated
- Feb 19, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicaid ID
- 00G512830 CA
- Medicare enrollment
- Enrolled (PECOS I20070928000665); accepts Medicare assignment
- Medical or professional school
- Stanford University School Of Medicine, 1982
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 7,571 in California → Look up another NPI →
Also registered at 1798 N Garey Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Monique AbdallaRegistered Nurse1871398297
- Brent Abutin, PTAPhysical Therapy Assistant1144728023
- Anna Adongo, M.D.Anesthesiology Physician1497011902
- Fran Allas, OTR/LNeurorehabilitation Occupational Therapist1467081828
- Yvette Ambroze, FNPFamily Nurse Practitioner1336616879
- Arjun Bakshi, DOEmergency Medicine Physician1659968303
Verify John L. Oakley in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A51957Check 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
- Allied Anesthesia Medical Group IncPomona, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John L. Oakley among 7,571 anesthesiology physician records in California
John L. Oakley, 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 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
- Graduated1982 · median 2006 among the 4,868 with a school on file
- Record last updated2015 · 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 Pomona → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Alexander Chang, M.D.Pomona, CA 917671578598009
- Monif Chehade, M.D.Pomona, CA 917671972543759
- Ali Fahimi, M.D.Pomona, CA 917671245264407
- Steven Friedlander, M.D.Pomona, CA 917671558305417
- Benjamin Kavoossi, M.D.Pomona, CA 917671487825972
- Mona Limm, M.D.Pomona, CA 917671851333280
- Long Nguyen, M.D.Pomona, CA 917671457387235
- Bernard Ong, M.D.Pomona, CA 917671063456952
Common questions
What is John L. Oakley, M.D.'s NPI number?
John L. Oakley, M.D.'s National Provider Identifier (NPI) is 1841233921, issued on Jun 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John L. Oakley, M.D. located?
The NPPES record lists a practice address at 1798 N Garey Ave, Pomona, CA, 91767. Phone: (909) 865-9140. Providers update this record themselves, so call before visiting.
How can I verify John L. Oakley, M.D.'s license?
NPPES lists California license number A51957, 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.