Registry data as of Aug 27, 2026

Charles Barton, M.D.

Forensic Psychiatry Physician · Fremont, CA

Charles Barton, M.D. is a forensic psychiatry physician with a practice address in Fremont, California, and NPI 1881688505, issued on Sep 8, 2005. Check the license (California C53918, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1881688505
Name
Charles Barton
Credential
M.D.
Primary taxonomy
Forensic Psychiatry Physician 2084F0202X
License numbers
C53918 CA
078926 GA
D41236 MD
Self-reported in NPPES; status is on the state search
Practice location
39650 Liberty St, Fremont, CA 94538
Phone
(510) 498-2890
Enumerated
Sep 8, 2005
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.
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Also registered at 39650 Liberty St

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

  1. Zenaida AgramonteClinical Social Worker1194195255
  2. Neha Badiyani, PTPhysical Therapist1073968640
  3. Tricia Joy Celeridad, PTAPhysical Therapy Assistant1356122022
  4. Holly Christensen, MFTPsychiatry Physician1386777464
  5. Jennifer Damman, MDPediatrics Physician1588967855
  6. Kristen EngStudent in an Organized Health Care Education/Training Program1972132108

Verify Charles 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 C53918
    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.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

5% fewer Medicare Part D claims than the average forensic psychiatry physician in 2024

809 Medicare Part D claims for 121 beneficiaries, against an average of 853 among the 395 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims.

  1. Charles Barton809
  2. Specialty average853

Most prescribed

  1. Escitalopram Oxalate65 claims
  2. Trazodone Hcl63 claims
  3. Gabapentin48 claims
  4. Bupropion Xl47 claims
  5. Venlafaxine Hcl Er44 claims
  6. Quetiapine Fumarate37 claims

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.

One hospital or facility affiliation

  1. Permanente Medical Group IncCupertino, CA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Forensic Psychiatry Physician providers in California

There are 162 forensic psychiatry physician records in California.

Other forensic psychiatry physician records in California

  1. Joseph Abrahamson, MDAtascadero, CA1750309423
  2. Mathis Abrams, M.D., J.D.Beverly Hills, CA1497789762
  3. Dominick Addario, M.D.San Diego, CA1649496092
  4. Jerry Ainsworth, M.D.Monterey, CA1720099427
  5. Michael Arcuri, M.D.Atascadero, CA1861564296
  6. James Armontrout, MDPalo Alto, CA1215202403
  7. Ferdows Ather, M.D.Los Angeles, CA1760845762
  8. Federico Banales, MDSanta Maria, CA1255383485
  9. Eraka Bath, MDLos Angeles, CA1255549093
  10. Benjamin Bensoul, M.D.San Diego, CA1558467118

Common questions

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

Charles Barton, M.D.'s National Provider Identifier (NPI) is 1881688505, issued on Sep 8, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Charles Barton, M.D. located?

The NPPES record lists a practice address at 39650 Liberty St, Fremont, CA, 94538. Phone: (510) 498-2890. Providers update this record themselves, so call before visiting.

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

NPPES lists California license number C53918, 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 Charles Barton, M.D. prescribe under Medicare Part D?

In 2024, Charles Barton, M.D. had 809 Medicare Part D claims for 121 beneficiaries; the average among forensic psychiatry physician prescribers was 853. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.