Josette Gregorz Kohn, MD
Family Medicine Physician · Vacaville, CA
Josette Gregorz Kohn, MD is a family medicine physician with a practice address in Vacaville, California, and NPI 1518085380, issued on Mar 27, 2007. Check the license (California A64758, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Josette Gregorz Kohn
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A64758 CA
Self-reported in NPPES; status is on the state search - Practice location
- 770 Mason St, Vacaville, CA 95688
- Phone
- (707) 427-4900
- Enumerated
- Mar 27, 2007
- Record last updated
- Oct 14, 2024
- Fax
- (707) 454-5911
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 770 Mason St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Catherine Anthony-Tkach, FNP-BCFamily Nurse Practitioner1790025922
- Tania Aung, M.D.Allergy Physician1760654263
- Teresa Auyeung, MDFamily Medicine Physician1780771154
- Debashree Banerjee, MDPediatrics Physician1588751952
Verify Josette Gregorz Kohn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A64758Check 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 159 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 11 claims were for opioids.
Most prescribed
- Atorvastatin Calcium32 claims
- Amlodipine Besylate27 claims
- Gabapentin26 claims
- Lisinopril24 claims
- Losartan Potassium19 claims
- Pantoprazole Sodium18 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.
Josette Gregorz Kohn among 17,133 family medicine physician records in California
Josette Gregorz Kohn, 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 2007, is newer than 41% of them.
- NPI issued2007 · 41% of these records are older, 47% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2024 · 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).
56 family medicine physician records list a practice address in Vacaville
They are 56 of the 1,903 NPPES records with a practice address in Vacaville, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Vacaville → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Azim Ahmady, MDVacaville, CA 956881417035916
- Teresa Auyeung, MDVacaville, CA 956881780771154
- Raquel Cripe, M.D.Vacaville, CA 956881912922782
- Ricardo Denapoli, D.O.Vacaville, CA 956881295703189
- Peaslee Dumont, MDVacaville, CA 956881588748768
- Michael Earwood, MDVacaville, CA 956881932287828
- Gail Feinberg, DOVacaville, CA 956881194760025
- Behroz Hamkar, M.D.Vacaville, CA 956881073525036
Common questions
What is Josette Gregorz Kohn, MD's NPI number?
Josette Gregorz Kohn, MD's National Provider Identifier (NPI) is 1518085380, issued on Mar 27, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Josette Gregorz Kohn, MD located?
The NPPES record lists a practice address at 770 Mason St, Vacaville, CA, 95688. Phone: (707) 427-4900. Providers update this record themselves, so call before visiting.
How can I verify Josette Gregorz Kohn, MD's license?
NPPES lists California license number A64758, 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 Josette Gregorz Kohn, MD prescribe under Medicare Part D?
In 2024, Josette Gregorz Kohn, MD had 484 Medicare Part D claims for 159 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.