Ena M. Kariya, MD
Family Medicine Physician · Costa Mesa, CA
Ena M. Kariya, MD is a family medicine physician with a practice address in Costa Mesa, California, and NPI 1588655658, issued on Oct 28, 2005. Check the license (California A87623, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ena M. Kariya
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A87623 CA
Self-reported in NPPES; status is on the state search - Practice location
- 722 Baker St, Costa Mesa, CA 92626
- Phone
- (714) 557-6300
- Enumerated
- Oct 28, 2005
- Record last updated
- Mar 31, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (714) 966-9567
- Medicaid ID
- 00A876230 CA
- Medicare enrollment
- Enrolled (PECOS I20050601001001); accepts Medicare assignment
- Medical or professional school
- New York Medical College, 2002
- Entity
- Type 1 · individual
Also registered at 722 Baker St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Ashkan Farhadi, M.D.Gastroenterology Physician1760423123
- Joseph Horejsi, MDFamily Medicine Physician1295726347
- Catherine Nguyen, MDFamily Medicine Physician1730569005
Verify Ena M. Kariya in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A87623Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
18% fewer Medicare Part D claims than the average family medicine physician in 2024
2,889 Medicare Part D claims for 312 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 30 claims were for opioids.
Most prescribed
- Atorvastatin Calcium283 claims
- Levothyroxine Sodium154 claims
- Losartan Potassium122 claims
- Alendronate Sodium119 claims
- Lisinopril116 claims
- Metformin Hcl89 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.
Bills Medicare through one group practice
- Memorialcare Medical FoundationCosta Mesa, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
56 family medicine physician records list a practice address in Costa Mesa
They are 56 of the 4,286 NPPES records with a practice address in Costa Mesa, and 17,133 family medicine physician records in California.
All 56 in Costa Mesa → All 17,133 in California → Every provider in Costa Mesa →
Other family medicine physician records in California
- Omer Aba-Omer, MDSanta Monica, CA1649702093
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- 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 Ena M. Kariya, MD's NPI number?
Ena M. Kariya, MD's National Provider Identifier (NPI) is 1588655658, issued on Oct 28, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Ena M. Kariya, MD located?
The NPPES record lists a practice address at 722 Baker St, Costa Mesa, CA, 92626. Phone: (714) 557-6300. Providers update this record themselves, so call before visiting.
How can I verify Ena M. Kariya, MD's license?
NPPES lists California license number A87623, 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 Ena M. Kariya, MD prescribe under Medicare Part D?
In 2024, Ena M. Kariya, MD had 2,889 Medicare Part D claims for 312 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.