Tabitha Doniach, M.D., PH.D.
Family Medicine Physician · Santa Rosa, CA
Tabitha Doniach, M.D., PH.D. is a family medicine physician with a practice address in Santa Rosa, California, and NPI 1952344616, issued on Jun 13, 2006. Check the license (California A84644, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Tabitha Doniach
- Credential
- M.D., PH.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A84644 CA
Self-reported in NPPES; status is on the state search - Practice location
- 427 Doyle Park Dr, Santa Rosa, CA 95405
- Phone
- (707) 244-7934
- Enumerated
- Jun 13, 2006
- Record last updated
- Mar 7, 2023
- Fax
- (707) 843-7501
- Medicare enrollment
- Enrolled (PECOS I20051028001011); accepts Medicare assignment
- Medical or professional school
- University Of California, Davis School Of Medicine, 2002
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Verify Tabitha Doniach in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A84644Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average family medicine physician in 2024
484 Medicare Part D claims for 189 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 23 claims were for opioids.
Most prescribed
- Azithromycin22 claims
- Albuterol Sulfate Hfa18 claims
- Cephalexin18 claims
- Irbesartan17 claims
- Gabapentin16 claims
- Cyclobenzaprine Hcl15 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 one group practice
- Sutter Bay Medical FoundationSanta Rosa, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tabitha Doniach among 17,133 family medicine physician records in California
Tabitha Doniach, M.D., PH.D. is one of 17,133 family medicine physician records with a practice address in California. 81% 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 6% of them.
- NPI issued2006 · 6% of these records are older, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2002 · median 2005 among the 10,652 with a school on file
- Record last updated2023 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
264 family medicine physician records list a practice address in Santa Rosa
They are 264 of the 6,884 NPPES records with a practice address in Santa Rosa, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Santa Rosa → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Herbert Brosbe, M.D.Santa Rosa, CA 954051518940519
- Forrest Chilcott, MDSanta Rosa, CA 954051841229689
- James Devore, MDSanta Rosa, CA 954051043273469
- Gary Furness, MDSanta Rosa, CA 954051144281635
- Alvin Gore, MDSanta Rosa, CA 954051326042821
- Thomas Honrath, M.D.Santa Rosa, CA 954051093779845
- Catherine Johnsen, DOSanta Rosa, CA 954051801830724
- Stacey Kerr, M.D.Santa Rosa, CA 954051083713473
Common questions
What is Tabitha Doniach, M.D., PH.D.'s NPI number?
Tabitha Doniach, M.D., PH.D.'s National Provider Identifier (NPI) is 1952344616, issued on Jun 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Tabitha Doniach, M.D., PH.D. located?
The NPPES record lists a practice address at 427 Doyle Park Dr, Santa Rosa, CA, 95405. Phone: (707) 244-7934. Providers update this record themselves, so call before visiting.
How can I verify Tabitha Doniach, M.D., PH.D.'s license?
NPPES lists California license number A84644, 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 Tabitha Doniach, M.D., PH.D. prescribe under Medicare Part D?
In 2024, Tabitha Doniach, M.D., PH.D. had 484 Medicare Part D claims for 189 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.