Tamara Ann Chambless, M.D.
Psychiatry Physician · Sonora, CA
Tamara Ann Chambless, M.D. is a psychiatry physician with a practice address in Sonora, California, and NPI 1952346785, issued on Jun 17, 2006. Check the license (California C136173, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Tamara Ann Chambless
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- 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
- Record last updated
- Jul 28, 2025
- Medicaid ID
- 25223861 CO
- Medicare enrollment
- Enrolled (PECOS I20210225001181); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
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.
- Keith Kerns, MFTMarriage & Family Therapist1922002971
- Matthew Narron, PSY.D.Clinical Psychologist1881831659
Verify Tamara Ann Chambless in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C136173Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average psychiatry physician in 2024
146 Medicare Part D claims for 21 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Ziprasidone Hcl16 claims
- Lamotrigine11 claims
- 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.
Bills Medicare through 2 group practices
- Savant Care IncLos Altos, CA
- Sonora Community HospitalSonora, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tamara Ann Chambless among 8,673 psychiatry physician records in California
Tamara Ann Chambless, 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. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 67% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Graduated2002 · median 2005 among the 3,295 with a school on file
- Record last updated2025 · 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.
All 8,673 in California → Every provider in Sonora → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- David Bohannon, D.O.Sonora, CA 953701881072643
- Charles Edwards, M.D.Sonora, CA 953701063505972
- Alan Peters, M.D.Sonora, CA 953701912931098
- Judith Vyhmeister, M.D.Sonora, CA 953701619024908
- Richard Nunes, MDSalida, CA 953681407986466
- Maja Everson, MDTracy, CA 953761811975139
- Paul Malarik, M.D.Tracy, CA 953761083801542
- Ranvinder Rai, MDTracy, CA 953761467607119
Common questions
What is Tamara Ann Chambless, M.D.'s NPI number?
Tamara Ann 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 Ann 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 Ann Chambless, M.D.'s license?
NPPES lists California license number C136173, 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 Tamara Ann Chambless, M.D. prescribe under Medicare Part D?
In 2024, Tamara Ann Chambless, M.D. had 146 Medicare Part D claims for 21 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.
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.