Ashok J. Kar, M.D.
Specialist · Orange, CA
Ashok J. Kar, M.D. is a specialist with a practice address in Orange, California, and NPI 1073653119, issued on Feb 7, 2007. Check the license (California A38390, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ashok J. Kar
- Credential
- M.D.
- Primary taxonomy
- Specialist 174400000X
- License number
- A38390 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1310 W Stewart Dr Ste 402, Orange, CA 92868
- Phone
- (714) 628-1341
- Enumerated
- Feb 7, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (714) 628-1345
- Medicaid ID
- 00A383900 CA
- Medicare enrollment
- Enrolled (PECOS I20110118001071); accepts Medicare assignment
- Medical or professional school
- Medical College Of Ohio, 1980
- Entity
- Type 1 · individual
8 nearest specialist records → All 5,749 in California → Look up another NPI →
Also registered at 1310 W Stewart Dr Ste 402
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jon Harting, PA-CPhysician Assistant1467028027
Verify Ashok J. Kar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license A38390Check 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 specialist in 2024
23 Medicare Part D claims for 11 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D.
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.
The practice group's MIPS final score for 2023 (Medicare payment program): 85.2 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Faculty Physicians And Surgeons OF LlusmMoreno Valley, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ashok J. Kar among 5,749 specialist records in California
Ashok J. Kar, M.D. is one of 5,749 specialist records with a practice address in California. 30% 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 40% of them.
- NPI issued2007 · 40% of these records are older, 44% newer
- In a Medicare fileYes · 30% of these records are
- In the CMS Doctors and Clinicians fileYes · 19% of these records are
- Graduated1980 · median 1989 among the 1,075 with a school on file
- Record last updated2007 · 77% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Specialist providers in California
There are 5,749 specialist records in California.
All 5,749 in California → Every provider in Orange → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Michael Arquilla, M.D.Orange, CA 928681598734832
- Birbal Bhaskar, M.D.Orange, CA 928681194773168
- Ayaz Biviji, M.D.Orange, CA 928681023008422
- Michele Carpenter, M.D.Orange, CA 928681770543712
- Richard Faraday, M.D.Orange, CA 928681881662021
- Charles Keller, M.D.Orange, CA 928681558324392
- Thomas Kim, M.D.Orange, CA 928681144225301
- Eric Lee, M.D.Orange, CA 928681720075641
Common questions
What is Ashok J. Kar, M.D.'s NPI number?
Ashok J. Kar, M.D.'s National Provider Identifier (NPI) is 1073653119, issued on Feb 7, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Ashok J. Kar, M.D. located?
The NPPES record lists a practice address at 1310 W Stewart Dr Ste 402, Orange, CA, 92868. Phone: (714) 628-1341. Providers update this record themselves, so call before visiting.
How can I verify Ashok J. Kar, M.D.'s license?
NPPES lists California license number A38390, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Ashok J. Kar, M.D. prescribe under Medicare Part D?
In 2024, Ashok J. Kar, M.D. had 23 Medicare Part D claims for 11 beneficiaries; the average among specialist prescribers was 1,380. Part D covers Medicare prescriptions only.
What is Ashok J. Kar, M.D.'s MIPS final score?
The 2023 MIPS final score is 85.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.