David Douglas Larson, M.D.
Anesthesiology Physician · Long Beach, CA
David Douglas Larson, M.D. is an anesthesiology physician with a practice address in Long Beach, California, and NPI 1255444535, issued on Aug 17, 2006. Check the license (California G55863, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- David Douglas Larson
- Credential
- M.D.
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- G55863 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2801 Atlantic Ave, Long Beach, CA 90806
- Phone
- (562) 933-2000
- Enumerated
- Aug 17, 2006
- Record last updated
- Jul 9, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (562) 933-1245
- Medicaid ID
- 00G558630 CA
- Medicare enrollment
- Enrolled (PECOS I20110325000761); accepts Medicare assignment
- Medical or professional school
- University Of Minnesota, Duluth 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 2801 Atlantic Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Naima Abdirahman, NPAcute Care Nurse Practitioner1215640560
- William AbeClinical Social Worker1316550148
- Holly Adams, MSW, LCSW, OSW-CClinical Social Worker1639591134
- Jennifer Agnew, PHARM. DPharmacist1285435685
- Mannat Agnish, MD, MPHStudent in an Organized Health Care Education/Training Program1881321883
- Mary Elaine Aguilar-Choomngern, NPMedical-Surgical Registered Nurse1033765474
Verify David Douglas Larson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G55863Check 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 2 group practices
- California Anesthesia Associates Medical Group IncLong Beach, CA
- Cep America - Anesthesia PCSanta Clarita, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David Douglas Larson among 7,571 anesthesiology physician records in California
David Douglas Larson, 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 updated2007 · 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 Long Beach → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Angeline Barnes, M.D.Long Beach, CA 908061366411217
- Christopher Branche, M.D.Long Beach, CA 908061184646549
- Thanh Cung, M.D.Long Beach, CA 908061255350336
- Quan Dang, M.D.Long Beach, CA 908061649292913
- Mark Doykos, M.D.Long Beach, CA 908061659340115
- Barry Freeman, M.D.Long Beach, CA 908061225062698
- Thomas Ha-Long, M.D.Long Beach, CA 908061891764205
- Nikolay Kaminsky, M.D.Long Beach, CA 908061639191794
Common questions
What is David Douglas Larson, M.D.'s NPI number?
David Douglas Larson, M.D.'s National Provider Identifier (NPI) is 1255444535, issued on Aug 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David Douglas Larson, M.D. located?
The NPPES record lists a practice address at 2801 Atlantic Ave, Long Beach, CA, 90806. Phone: (562) 933-2000. Providers update this record themselves, so call before visiting.
How can I verify David Douglas Larson, M.D.'s license?
NPPES lists California license number G55863, 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.