NPPES file of Aug 9, 2026

Charline Bayon Simmons, M.D.

Psychiatry Physician · Oakland, CA

Charline Bayon Simmons, M.D. is a psychiatry physician with a practice address in Oakland, California, and NPI 1841278991, issued on Jan 7, 2006. Check the license (California C42740, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1841278991
Name
Charline Bayon Simmons
Credential
M.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
C42740 CA
Self-reported in NPPES; status is on the state search
Practice location
6333 Telegraph Ave, Oakland, CA 94609
Phone
(510) 658-9779
Enumerated
Jan 7, 2006
Record last updated
Aug 25, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(844) 788-9995
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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8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →

Also registered at 6333 Telegraph Ave

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

  1. Adebisi AdewaleMental Health Counselor1265075667
  2. Sharon Albright, D.D.S.General Practice Dentistry1053424937
  3. Steve AlimontiSpecialist1255461497
  4. Marisa AngelesCounselor1629658547
  5. Kimbra BakerClinical Social Worker1699314740
  6. Alula BekeleSpecialist1760510705

Verify Charline Bayon Simmons in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license C42740    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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Charline Bayon Simmons among 8,673 psychiatry physician records in California

Charline Bayon Simmons, M.D. is one of 8,673 psychiatry physician records with a practice address in California. 67% 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 2% of them.

  • NPI issued2006 · 2% of these records are older, 67% newer
  • In a Medicare fileNo · 67% of these records are
  • In the CMS Doctors and Clinicians fileNo · 38% of these records are
  • Record last updated2016 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychiatry Physician providers in California

There are 8,673 psychiatry physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 8,673 in California → Every provider in Oakland → Psychiatry Physician nationwide →

The 8 psychiatry physician records with the nearest ZIP codes

  1. Yener Balan, M.D.Oakland, CA 946091740428911
  2. Floyd Brown, M.D.Oakland, CA 946091265412167
  3. Tony ChanOakland, CA 946091043639222
  4. Heather Clague, M.D.Oakland, CA 946091245287663
  5. Samar Fouda, MDOakland, CA 946091760060776
  6. Michael Hoaglin, MDOakland, CA 946091174824726
  7. Kushagra Nijhara, M.D.Oakland, CA 946091831689348
  8. Jesus Ramirez, MD, MSWOakland, CA 946091275518821

Common questions

What is Charline Bayon Simmons, M.D.'s NPI number?

Charline Bayon Simmons, M.D.'s National Provider Identifier (NPI) is 1841278991, issued on Jan 7, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Charline Bayon Simmons, M.D. located?

The NPPES record lists a practice address at 6333 Telegraph Ave, Oakland, CA, 94609. Phone: (510) 658-9779. Providers update this record themselves, so call before visiting.

How can I verify Charline Bayon Simmons, M.D.'s license?

NPPES lists California license number C42740, 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.

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.