Wendy Kohatsu, MD
Family Medicine Physician · Santa Rosa, CA
Wendy Kohatsu, MD is a family medicine physician with a practice address in Santa Rosa, California, and NPI 1609973478, issued on Sep 20, 2006. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Wendy Kohatsu
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD24914 OR
Self-reported in NPPES; status is on the state search - Practice location
- 1110 N Dutton Ave, Santa Rosa, CA 95401
- Phone
- (707) 303-3600
- Enumerated
- Sep 20, 2006
- Record last updated
- Aug 14, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicaid ID
- 297495 OR
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
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Verify Wendy Kohatsu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average family medicine physician in 2024
172 Medicare Part D claims for 43 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 52% of claims.
Most prescribed
- Trulicity27 claims
- Jardiance19 claims
- Atorvastatin Calcium13 claims
- Rybelsus11 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.
Wendy Kohatsu among 17,133 family medicine physician records in California
Wendy Kohatsu, MD 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 fileNo · 62% of these records are
- Record last updated2018 · 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
- Roberta Berg, MDSanta Rosa, CA 954011689643884
- Jennifer Betts, MDSanta Rosa, CA 954011518965771
- Lambert Daniel, MDSanta Rosa, CA 954011487688941
- Ellen Kruusmagi, MDSanta Rosa, CA 954011003831793
- Marshall Kubota, MDSanta Rosa, CA 954011245297969
- Patricia Kulawiak, MDSanta Rosa, CA 954011487649711
- Carla Longchamp, M.D.Santa Rosa, CA 954011972544948
- Jeremy Mesches, MDSanta Rosa, CA 954011245207026
Common questions
What is Wendy Kohatsu, MD's NPI number?
Wendy Kohatsu, MD's National Provider Identifier (NPI) is 1609973478, issued on Sep 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Wendy Kohatsu, MD located?
The NPPES record lists a practice address at 1110 N Dutton Ave, Santa Rosa, CA, 95401. Phone: (707) 303-3600. Providers update this record themselves, so call before visiting.
How can I verify Wendy Kohatsu, MD's license?
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 Wendy Kohatsu, MD prescribe under Medicare Part D?
In 2024, Wendy Kohatsu, MD had 172 Medicare Part D claims for 43 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.