David Leonard Baron, M.D.
Anesthesiology Physician · La Mesa, CA
David Leonard Baron, M.D. is an anesthesiology physician with a practice address in La Mesa, California, and NPI 1720043458, issued on Apr 18, 2006. Check the license (California G34381, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- David Leonard Baron
- Credential
- M.D.
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- G34381 CA
Self-reported in NPPES; status is on the state search - Practice location
- 8881 Fletcher Pkwy Ste 100, La Mesa, CA 91942
- Phone
- (619) 698-0930
- Enumerated
- Apr 18, 2006
- Record last updated
- Dec 1, 2011 (not updated in 15 years: call before relying on the address or phone)
- Medicaid ID
- 00G343810 CA
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 7,571 in California → Look up another NPI →
Also registered at 8881 Fletcher Pkwy Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ronald Levin, M.D.Anesthesiology Physician1497756290
Verify David Leonard Baron in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G34381Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
David Leonard Baron among 7,571 anesthesiology physician records in California
David Leonard Baron, 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 not. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 53% newer
- In a Medicare fileNo · 71% of these records are
- In the CMS Doctors and Clinicians fileNo · 64% of these records are
- Record last updated2011 · 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 7,571 in California → Every provider in La Mesa → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Daniel Bebereia, M.D.La Mesa, CA 919421225265481
- Morey Bubis, MDLa Mesa, CA 919421891855912
- Robert Bullock, MDLa Mesa, CA 919421912065111
- Donald Clark, M.D.La Mesa, CA 919421710391875
- John Claus, M.D.La Mesa, CA 919421134328768
- Bruce Crabtree, MDLa Mesa, CA 919421760426977
- David Diehl, MDLa Mesa, CA 919421669530861
- Ronald Levin, M.D.La Mesa, CA 919421497756290
Common questions
What is David Leonard Baron, M.D.'s NPI number?
David Leonard Baron, M.D.'s National Provider Identifier (NPI) is 1720043458, issued on Apr 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David Leonard Baron, M.D. located?
The NPPES record lists a practice address at 8881 Fletcher Pkwy Ste 100, La Mesa, CA, 91942. Phone: (619) 698-0930. Providers update this record themselves, so call before visiting.
How can I verify David Leonard Baron, M.D.'s license?
NPPES lists California license number G34381, 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. 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.