NPPES file of Aug 9, 2026

Karan Patel, DO

Internal Medicine Physician · San Diego, CA

Karan Patel, DO is an internal medicine physician with a practice address in San Diego, California, and NPI 1114663275, issued on May 10, 2022. Check the license (California 20A22023, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1114663275
Name
Karan Patel
Credential
DO
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
20A22023 CA
Self-reported in NPPES; status is on the state search
Practice location
9878 Carmel Mountain RD, San Diego, CA 92129
Phone
(858) 312-1440
Enumerated
May 10, 2022
Record last updated
Jan 13, 2026
Medicare enrollment
Enrolled (PECOS I20260123002631); accepts Medicare assignment
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 9878 Carmel Mountain RD

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

  1. Scott Miller, MDFamily Medicine Physician1104845536

Verify Karan Patel in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A22023
    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

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98% fewer Medicare Part D claims than the average internal medicine physician in 2024

69 Medicare Part D claims for 32 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Karan Patel69
  2. Specialty average3,176

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

  1. Arch Health Partners IncPoway, CA

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

Karan Patel among 17,696 internal medicine physician records in California

Karan Patel, DO is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 95% of them.

  • NPI issued2022 · 95% of these records are older, 2% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2022 · median 2004 among the 11,065 with a school on file
  • Record last updated2026 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

961 internal medicine physician records list a practice address in San Diego

They are 961 of the 52,937 NPPES records with a practice address in San Diego, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Kim Thomas, DOSan Diego, CA 921291083637755
  2. Jeffrey Applestein, M.D.San Diego, CA 921301427011212
  3. Dayna Arnstein Temby, M. D.San Diego, CA 921301497718324
  4. Gregory Babikian, M.D.San Diego, CA 921301497719892
  5. Maria Bautista, M.D.San Diego, CA 921281528167723
  6. Marilyn Carlin, M.D.San Diego, CA 921301124123088
  7. Catherine Carroll, MDSan Diego, CA 921281952627937
  8. Ilia Christy, M.D.San Diego, CA 921301043226889

Common questions

What is Karan Patel, DO's NPI number?

Karan Patel, DO's National Provider Identifier (NPI) is 1114663275, issued on May 10, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Karan Patel, DO located?

The NPPES record lists a practice address at 9878 Carmel Mountain RD, San Diego, CA, 92129. Phone: (858) 312-1440. Providers update this record themselves, so call before visiting.

How can I verify Karan Patel, DO's license?

NPPES lists California license number 20A22023, 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 Karan Patel, DO prescribe under Medicare Part D?

In 2024, Karan Patel, DO had 69 Medicare Part D claims for 32 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.