NPPES file of Aug 9, 2026

Johnny C. Chen, M.D.

Anesthesiology Physician · Santa Maria, CA

Johnny C. Chen, M.D. is an anesthesiology physician with a practice address in Santa Maria, California, and NPI 1225286479, issued on Aug 29, 2008. Check the license (California A106527, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1225286479
Name
Johnny C. Chen
Credential
M.D.
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
A106527 CA
Self-reported in NPPES; status is on the state search
Practice location
1400 E Church St, Santa Maria, CA 93454
Phone
(803) 739-3000
Enumerated
Aug 29, 2008
Record last updated
Feb 26, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(805) 739-3716
Medicaid ID
1225286479 CA
Medicare enrollment
Enrolled (PECOS I20110926000062); accepts Medicare assignment
Medical or professional school
University Of California, Geffen School Of Medicine, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest anesthesiology physician records → All 7,571 in California → Look up another NPI →

Also registered at 1400 E Church St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Elena Agafonova, M.D.Internal Medicine Physician1558757666
  2. Alyse Andrade, RN IBCLCLactation Consultant (Registered Nurse)1104647403
  3. Steven Andrews, PAPhysician Assistant1083352397
  4. Andrea ArthoferStudent in an Organized Health Care Education/Training Program1225772973
  5. Hannah Barrows, PA-CPhysician Assistant1528747128
  6. Nader Batal, DOFamily Medicine Physician1740923135

Verify Johnny C. Chen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A106527    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Anesthesia Medical Group OF Santa Maria IncSanta Maria, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Johnny C. Chen among 7,571 anesthesiology physician records in California

Johnny C. Chen, 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 2008, is newer than 57% of them.

  • NPI issued2008 · 57% of these records are older, 39% 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 updated2014 · 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 Santa Maria → Anesthesiology Physician nationwide →

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Donald Alderman, MDSanta Maria, CA 934541972547875
  2. Jia-Yi Bian, D.O.Santa Maria, CA 934541104003516
  3. Theodore Burdumy, MDSanta Maria, CA 934541679569891
  4. Daniel Cosca, MDSanta Maria, CA 934541225024433
  5. Erika Gibson, M.D.Santa Maria, CA 934541871723320
  6. Kaigo Hwang, M.D.Santa Maria, CA 934541982690962
  7. James Justice, MDSanta Maria, CA 934541194711176
  8. Nicholas Krier, M.D.Santa Maria, CA 934541689818056

Common questions

What is Johnny C. Chen, M.D.'s NPI number?

Johnny C. Chen, M.D.'s National Provider Identifier (NPI) is 1225286479, issued on Aug 29, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Johnny C. Chen, M.D. located?

The NPPES record lists a practice address at 1400 E Church St, Santa Maria, CA, 93454. Phone: (803) 739-3000. Providers update this record themselves, so call before visiting.

How can I verify Johnny C. Chen, M.D.'s license?

NPPES lists California license number A106527, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.