NPPES file of Aug 9, 2026

Kosha Doshi, DO

Family Medicine Physician · Thousand Oaks, CA

Kosha Doshi, DO is a family medicine physician with a practice address in Thousand Oaks, California, and NPI 1588124903, issued on Mar 21, 2019. Check the license (California 20A19945, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1588124903
Name
Kosha Doshi
Credential
DO
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
20A19945 CA
Self-reported in NPPES; status is on the state search
Practice location
248 Hampshire RD Ste 100, Thousand Oaks, CA 91361
Phone
(805) 370-0040
Enumerated
Mar 21, 2019
Record last updated
Nov 1, 2022
Fax
(805) 370-0041
Medicare enrollment
Enrolled (PECOS I20221004000825); accepts Medicare assignment
Medical or professional school
Touro Un Col Of Osteopathic Medicine, Henderson, 2019
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 248 Hampshire RD Ste 100

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Nazanin Asvadi, MDDiagnostic Radiology Physician1689197196
  2. Jonathan Chan, M.D.Pulmonary Disease Physician1982016929
  3. Diana CizmadijaNurse Practitioner1629408307
  4. Alicia Guevara, M.D.Family Medicine Physician1629295217
  5. Nithyalakshmi NambiarInternal Medicine Physician1689237182
  6. Mike Oulashian, M.D.Family Medicine Physician1164694212

Verify Kosha Doshi in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A19945
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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95% fewer Medicare Part D claims than the average family medicine physician in 2024

192 Medicare Part D claims for 163 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 29% of claims.

  1. Kosha Doshi192
  2. Specialty average3,544

Most prescribed

  1. Paxlovid43 claims
  2. Azithromycin19 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 86.1 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.

  1. Qualityout of 100 · 30% of the final score82.9
  2. Costout of 100 · 30%66.7
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. The Regents OF The University OF CaliforniaLos Angeles, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Kosha Doshi among 17,133 family medicine physician records in California

Kosha Doshi, DO is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 85% of them.

  • NPI issued2019 · 85% of these records are older, 12% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2019 · median 2005 among the 10,652 with a school on file
  • Record last updated2022 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

39 family medicine physician records list a practice address in Thousand Oaks

They are 39 of the 2,434 NPPES records with a practice address in Thousand Oaks, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Irina Feldman, M.D.Thousand Oaks, CA 913611417919721
  2. Alicia Guevara, M.D.Thousand Oaks, CA 913611629295217
  3. David Gunn, MDWestlake Village, CA 913611215163035
  4. Bader Iqbal, M.D.Thousand Oaks, CA 913611346254364
  5. Chelsey Kahanowitch, D.O.Westlake Village, CA 913611750743530
  6. Razmig Krumian, D.O.Westlake Village, CA 913611720064462
  7. Darrick Lee, D.O.Westlake Village, CA 913611811424682
  8. Amy Lin, M.D.Westlake Village, CA 913611770511081

Common questions

What is Kosha Doshi, DO's NPI number?

Kosha Doshi, DO's National Provider Identifier (NPI) is 1588124903, issued on Mar 21, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Kosha Doshi, DO located?

The NPPES record lists a practice address at 248 Hampshire RD Ste 100, Thousand Oaks, CA, 91361. Phone: (805) 370-0040. Providers update this record themselves, so call before visiting.

How can I verify Kosha Doshi, DO's license?

NPPES lists California license number 20A19945, 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 Kosha Doshi, DO prescribe under Medicare Part D?

In 2024, Kosha Doshi, DO had 192 Medicare Part D claims for 163 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

What is Kosha Doshi, DO's MIPS final score?

The 2023 MIPS final score is 86.1 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.