Karmen Cohen, D.O.
Family Medicine Physician · Tustin, CA
Karmen Cohen, D.O. is a family medicine physician with a practice address in Tustin, California, and NPI 1447377296, issued on Mar 26, 2007. Check the license (California CA20A6122, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Karmen Cohen
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- CA20A6122 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2492 Walnut Ave, Tustin, CA 92780
- Phone
- (714) 669-1997
- Enumerated
- Mar 26, 2007
- Entity
- Type 1 · individual
Also registered at 2492 Walnut Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kevin Allard, P.T.Physical Medicine & Rehabilitation Physician1578684668
- Donald Kuskin, PHYSICAL THERAPISTPhysical Therapist1538598818
- Rachel LibonatiPhysical Therapist1013467471
- Samuel Limbong, M.D.Internal Medicine Physician1912358664
- Lindsay Miller, DPTPhysical Therapist1639546385
- Jean Louis SelamInternal Medicine Physician1982759114
Verify Karmen Cohen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license CA20A6122Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
98% fewer Medicare Part D claims than the average family medicine physician in 2024
78 Medicare Part D claims for 19 beneficiaries, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D.
Most prescribed
- Amlodipine Besylate11 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.
44 family medicine physician records list a Tustin practice address
They are 44 of the 2,221 NPPES records with a Tustin practice address, and 16,272 family medicine physician records in California.
All 44 in Tustin → All 16,272 in California → Every provider in Tustin →
Other family medicine physician records in California
- Omer Aba-Omer, MDSanta Monica, CA1649702093
- Michelle Ababa, MDWilmington, CA1710922513
- Anna Tzeitel Abalos, MDRoseville, CA1720200017
- Adan Abarca, MDAnaheim, CA1760553689
- Vanessa Abarca, DOVentura, CA1952040859
- Lorraine Abate, M.D.Sacramento, CA1104840008
- Robert Abatecola, MDCastro Valley, CA1669551719
- Romeo Abaya, M.D.Cottonwood, CA1598053506
- Effiem Abbah, MD, MPHSan Francisco, CA1821185133
- Khuzeman Abbasi, MDSanta Rosa, CA1841979952
Common questions
What is Karmen Cohen, D.O.'s NPI number?
Karmen Cohen, D.O.'s National Provider Identifier (NPI) is 1447377296, issued on Mar 26, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Karmen Cohen, D.O. located?
The NPPES record lists a practice address at 2492 Walnut Ave, Tustin, CA, 92780. Phone: (714) 669-1997. Providers update this record themselves, so call before visiting.
How can I verify Karmen Cohen, D.O.'s license?
NPPES lists California license number CA20A6122, 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 Karmen Cohen, D.O. prescribe under Medicare Part D?
In 2024, Karmen Cohen, D.O. had 78 Medicare Part D claims for 19 beneficiaries; the average among family medicine physician prescribers was 3,519. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.