Jonathan Cohen, M.D.
Anesthesiology Physician · Napa, CA
Jonathan Cohen, M.D. is an anesthesiology physician with a practice address in Napa, California, and NPI 1396819959, issued on Nov 17, 2006. Check the license (California G71609, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Jonathan Cohen
- Credential
- M.D.
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- G71609 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1000 Trancas St, Napa, CA 94558
- Phone
- (707) 252-4411
- Enumerated
- Nov 17, 2006
- Record last updated
- Aug 28, 2015 (not updated in 11 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 7,571 in California → Look up another NPI →
Also registered at 1000 Trancas St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Mark Borsody, MDNeurology Physician1215179767
- Maureen Bose, BSN, RN, IBCLCLactation Consultant (Registered Nurse)1780375733
Verify Jonathan Cohen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G71609Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Jonathan Cohen among 7,571 anesthesiology physician records in California
Jonathan Cohen, M.D. is one of 7,571 anesthesiology physician records with a practice address in California. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 53% newer
- In a Medicare fileNo · 71% of these records are
- In the CMS Doctors and Clinicians fileNo · 64% of these records are
- Record last updated2015 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anesthesiology Physician providers in California
There are 7,571 anesthesiology physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 7,571 in California → Every provider in Napa → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Jerry Abajian, M.D.Napa, CA 945581851336218
- Patricia Decker, M.D.Napa, CA 945581114993540
- Gregory Leipzig, M.D.Napa, CA 945581750452033
- Daniel Masluk, M.D.Napa, CA 945581619906708
- Robert Morris, M.D.Napa, CA 945581245301548
- Robert Singler, M.D.Napa, CA 945581629181318
- Nicolas Wozmak, M.D.Napa, CA 945581467619353
- Robert Zellmer, M.D.Napa, CA 945581306850318
Common questions
What is Jonathan Cohen, M.D.'s NPI number?
Jonathan Cohen, M.D.'s National Provider Identifier (NPI) is 1396819959, issued on Nov 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jonathan Cohen, M.D. located?
The NPPES record lists a practice address at 1000 Trancas St, Napa, CA, 94558. Phone: (707) 252-4411. Providers update this record themselves, so call before visiting.
How can I verify Jonathan Cohen, M.D.'s license?
NPPES lists California license number G71609, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.