NPPES file of Aug 9, 2026

Alan Brent Barton, M.D.

Adult Medicine Physician · Santa Ana, CA

Alan Brent Barton, M.D. is an adult medicine physician with a practice address in Santa Ana, California, and NPI 1831456854, issued on Apr 15, 2012. Check the license (California GFE 6423, 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 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1831456854
Name
Alan Brent Barton
Credential
M.D.
Primary taxonomy
Adult Medicine Physician 207QA0505X
License number
GFE 6423 CA
Self-reported in NPPES; status is on the state search
Practice location
1832 Park Skyline RD, Santa Ana, CA 92705
Phone
(714) 731-0536
Enumerated
Apr 15, 2012
Record last updated
Apr 15, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(714) 731-0536
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

8 nearest adult medicine physician records → All 386 in California → Look up another NPI →

Verify Alan Brent Barton in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license GFE 6423    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

98% fewer Medicare Part D claims than the average adult medicine physician in 2024

50 Medicare Part D claims, against an average of 3,002 among the 1,307 providers of this specialty who prescribed in Part D. Brand-name drugs were 28% of claims.

  1. Alan Barton50
  2. Specialty average3,002

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Alan Brent Barton among 386 adult medicine physician records in California

Alan Brent Barton, M.D. is one of 386 adult medicine physician records with a practice address in California. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 64% of them.

  • NPI issued2012 · 64% of these records are older, 32% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileNo · 48% of these records are
  • Record last updated2012 · 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 207QA0505X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Adult Medicine Physician providers in California

There are 386 adult medicine physician records in California.

All 386 in California → Every provider in Santa Ana → Adult Medicine Physician nationwide →

The 8 adult medicine physician records with the nearest ZIP codes

  1. Marian Bareh, M.D.Santa Ana, CA 927051518184241
  2. Karee Chrysovergis, FNPSanta Ana, CA 927051649805250
  3. Sarah Page, D.O.Santa Ana, CA 927051811332075
  4. J Cassidy, M.D.Santa Ana, CA 927041528132487
  5. Ming Chen, D.O.Santa Ana, CA 927041376749101
  6. Lucio Loza, M.D.Santa Ana, CA 927041134352727
  7. Felicia Young, D.O.Santa Ana, CA 927061295898617
  8. Neal Schwartz, D.O.Santa Ana, CA 927011164592127

Common questions

What is Alan Brent Barton, M.D.'s NPI number?

Alan Brent Barton, M.D.'s National Provider Identifier (NPI) is 1831456854, issued on Apr 15, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Alan Brent Barton, M.D. located?

The NPPES record lists a practice address at 1832 Park Skyline RD, Santa Ana, CA, 92705. Phone: (714) 731-0536. Providers update this record themselves, so call before visiting.

How can I verify Alan Brent Barton, M.D.'s license?

NPPES lists California license number GFE 6423, 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.

How much does Alan Brent Barton, M.D. prescribe under Medicare Part D?

In 2024, Alan Brent Barton, M.D. had 50 Medicare Part D claims; the average among adult medicine physician prescribers was 3,002. Part D covers Medicare prescriptions only.

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.