John Ley, M.D.
Anesthesiology Physician · Los Angeles, CA
John Ley, M.D. is an anesthesiology physician with a practice address in Los Angeles, California, and NPI 1811290679, issued on Dec 15, 2010. Check the license (California A111233, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- John Ley
- Credential
- M.D.
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- A111233 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4650 W Sunset Blvd # 3, Los Angeles, CA 90027
- Phone
- (323) 251-6274
- Enumerated
- Dec 15, 2010
- Record last updated
- Nov 18, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20111028000243); accepts Medicare assignment
- Medical or professional school
- Toledo Medical College, 2006
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 7,571 in California → Look up another NPI →
Also registered at 4650 W Sunset Blvd # 3
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jammie Ferrara, M.D.Pediatric Anesthesiology Physician1821257395
- Susan Firestone, M.D.Pediatric Anesthesiology Physician1891940078
- Cyrus Kermani, M.D.Specialist1154566248
- Rinitha Ravisankar, M.B.B.SStudent in an Organized Health Care Education/Training Program1770270605
- Benjamin Yoon, MDPediatric Critical Care Medicine Physician1932586401
Verify John Ley in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A111233Check 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
- Southern California Permanente Medical GroupFontana, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Ley among 7,571 anesthesiology physician records in California
John Ley, 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 2010, is newer than 65% of them.
- NPI issued2010 · 65% of these records are older, 32% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2006 · 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 Los Angeles → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Marc Birnbaum, M.D.Los Angeles, CA 900271184607368
- Sung Kim, M.D.Los Angeles, CA 900271013967504
- Sung Kim, M.D.Los Angeles, CA 900271366481442
- Charles Lee, M.D.Los Angeles, CA 900271447272810
- Edward Manookian, M.D.Los Angeles, CA 900271366404709
- Sabine Mellinger, M.DLos Angeles, CA 900271477655306
- Sun Oh, MDLos Angeles, CA 900271578527651
- Stephen Parks, M.D.Los Angeles, CA 900271881607604
Common questions
What is John Ley, M.D.'s NPI number?
John Ley, M.D.'s National Provider Identifier (NPI) is 1811290679, issued on Dec 15, 2010. An NPI identifies a provider in billing; it is not a license.
Where is John Ley, M.D. located?
The NPPES record lists a practice address at 4650 W Sunset Blvd # 3, Los Angeles, CA, 90027. Phone: (323) 251-6274. Providers update this record themselves, so call before visiting.
How can I verify John Ley, M.D.'s license?
NPPES lists California license number A111233, 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.