Leonard Harris Cohen, M.D.
Gastroenterology Physician · Orinda, CA
Leonard Harris Cohen, M.D. is a gastroenterology physician with a practice address in Orinda, California, and NPI 1134371768, issued on Oct 14, 2008. Check the license (California G29396, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Leonard Harris Cohen
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- G29396 CA
Self-reported in NPPES; status is on the state search - Practice location
- 35 Linda Vis, Orinda, CA 94563
- Phone
- (925) 254-7123
- Enumerated
- Oct 14, 2008
- Record last updated
- Oct 14, 2008 (not updated in 18 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
Verify Leonard Harris Cohen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G29396Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Gastroenterology Physician providers in California
There are 2,140 gastroenterology physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
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- Sadeea Abbasi, M.D., PH.D.Los Angeles, CA1366713513
- Basim Abdelkarim, MDUpland, CA1932217544
- Homan Abdollahzadeh, MDPalm Springs, CA1184634826
- John Abdulian, M.D.Fresno, CA1437114113
- Hussein Abidali, DORancho Cucamonga, CA1205274768
- Alaa Abousaif, MDOrange, CA1235124108
- Donald Abrahm, M.D.Newport Beach, CA1215022405
- Maria Abreu, M.D.West Hollywood, CA1598793374
Common questions
What is Leonard Harris Cohen, M.D.'s NPI number?
Leonard Harris Cohen, M.D.'s National Provider Identifier (NPI) is 1134371768, issued on Oct 14, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Leonard Harris Cohen, M.D. located?
The NPPES record lists a practice address at 35 Linda Vis, Orinda, CA, 94563. Phone: (925) 254-7123. Providers update this record themselves, so call before visiting.
How can I verify Leonard Harris Cohen, M.D.'s license?
NPPES lists California license number G29396, 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.