Registry data as of Aug 27, 2026

Tamara Chambless, M.D.

Specialist · Sonora, CA

Tamara Chambless, M.D. is a specialist with a practice address in Sonora, California, and NPI 1952346785, issued on Jun 17, 2006. Check the license (California C136173, as entered in NPPES) with the California board that licenses this profession; 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
1952346785
Name
Tamara Chambless
Credential
M.D.
Primary taxonomy
Specialist 174400000X
License numbers
C136173 CA
43903 CO
DR.0043903 CO
Self-reported in NPPES; status is on the state search
Practice location
193 Fairview LN Ste K, Sonora, CA 95370
Phone
(209) 536-5144
Enumerated
Jun 17, 2006
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 193 Fairview LN Ste K

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

  1. Keith Kerns, MFTMarriage & Family Therapist1922002971
  2. Matthew Narron, PSY.D.Psychologist1881831659

Verify Tamara Chambless in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license C136173
    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
Find 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 →

90% fewer Medicare Part D claims than the average specialist in 2024

146 Medicare Part D claims for 21 beneficiaries, against an average of 1,524 among the 12,477 providers of this specialty who prescribed in Part D.

  1. Tamara Chambless146
  2. Specialty average1,524

Most prescribed

  1. Ziprasidone Hcl16 claims
  2. Lamotrigine11 claims
  3. Trazodone Hcl11 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.

2 hospital and facility affiliations

  1. Savant Care IncLos Altos, CA
  2. Sonora Community HospitalSonora, 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.

9 specialist records list a Sonora practice address

They are 9 of the 629 NPPES records with a Sonora practice address, and 6,640 specialist records in California.

Other specialist records in California

  1. Adrienne Abad SantosSan Francisco, CA1588976435
  2. Brenda Abarca, MDTorrance, CA1407485527
  3. Fatemeh Abbasi, PTVan Nuys, CA1558496760
  4. Erlinda Abcede, M.D.Cudahy, CA1831228675
  5. Maher Abdallah, M.D.Palm Springs, CA1205988011
  6. Basim Abdelkarim, MDUpland, CA1932217544
  7. Farinaz AbdiSan Marcos, CA1063153963
  8. Mai Abe, LESanta Monica, CA1609405158
  9. Hamid Abedi, HEARING AID SPECIALISan Diego, CA1659410744
  10. Mehrad Abedi, M.D.Sacramento, CA1467459222

Common questions

What is Tamara Chambless, M.D.'s NPI number?

Tamara Chambless, M.D.'s National Provider Identifier (NPI) is 1952346785, issued on Jun 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Tamara Chambless, M.D. located?

The NPPES record lists a practice address at 193 Fairview LN Ste K, Sonora, CA, 95370. Phone: (209) 536-5144. Providers update this record themselves, so call before visiting.

How can I verify Tamara Chambless, M.D.'s license?

NPPES lists California license number C136173, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Tamara Chambless, M.D. prescribe under Medicare Part D?

In 2024, Tamara Chambless, M.D. had 146 Medicare Part D claims for 21 beneficiaries; the average among specialist prescribers was 1,524. 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.