NPPES file of Aug 9, 2026

Karl Tanara, M.D.

Internal Medicine Physician · Riverside, CA

Karl Tanara, M.D. is an internal medicine physician with a practice address in Riverside, California, and NPI 1033236237, issued on Mar 23, 2007. Check the license (California A78249, 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
1033236237
Name
Karl Tanara
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A78249 CA
Self-reported in NPPES; status is on the state search
Practice location
7117 Brockton Ave, Riverside, CA 92506
Phone
(951) 782-3715
Enumerated
Mar 23, 2007
Record last updated
Apr 11, 2025
Fax
(951) 784-3275
Medicare enrollment
Enrolled (PECOS I20050124000487); accepts Medicare assignment
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 7117 Brockton Ave

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

  1. Jieun AhnInternal Medicine Physician1225771173
  2. Shannon AllenFamily Nurse Practitioner1982089173
  3. Ghanim Almohammad Aljomah, M.D.Pediatric Gastroenterology Physician1447414099
  4. Apoorva Ananth, MDInternal Medicine Physician1558866863
  5. Hedy Assaad, MDPediatrics Physician1154302529
  6. Andre Babajanians, MDRheumatology Physician1255311676

Verify Karl Tanara in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A78249
    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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46% fewer Medicare Part D claims than the average internal medicine physician in 2024

1,722 Medicare Part D claims for 974 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 47 claims were for opioids.

  1. Karl Tanara1,722
  2. Specialty average3,176

Most prescribed

  1. Azithromycin221 claims
  2. Methylprednisolone125 claims
  3. Prednisone109 claims
  4. Cefuroxime92 claims
  5. Cephalexin84 claims
  6. Azelastine Hcl80 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

  1. Riverside Medical Clinic IncRiverside, CA

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

Karl Tanara among 17,696 internal medicine physician records in California

Karl Tanara, M.D. 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 2007, is newer than 44% of them.

  • NPI issued2007 · 44% of these records are older, 44% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated1999 · median 2004 among the 11,065 with a school on file
  • Record last updated2025 · 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).

187 internal medicine physician records list a practice address in Riverside

They are 187 of the 13,893 NPPES records with a practice address in Riverside, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Mark Allison, M.D.Riverside, CA 925061164471223
  2. Sarah Chae, MDRiverside, CA 925061003872169
  3. Stephen Colucci, MDRiverside, CA 925061245211614
  4. Andrew Corr, MDRiverside, CA 925061619958089
  5. Melanie Crane, MDRiverside, CA 925061083695456
  6. Leah Hopkins, MDRiverside, CA 925061548239932
  7. Tony Kwon, MDRiverside, CA 925061164404729
  8. Catherine Larson, MDRiverside, CA 925061255313060

Common questions

What is Karl Tanara, M.D.'s NPI number?

Karl Tanara, M.D.'s National Provider Identifier (NPI) is 1033236237, issued on Mar 23, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Karl Tanara, M.D. located?

The NPPES record lists a practice address at 7117 Brockton Ave, Riverside, CA, 92506. Phone: (951) 782-3715. Providers update this record themselves, so call before visiting.

How can I verify Karl Tanara, M.D.'s license?

NPPES lists California license number A78249, 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 Karl Tanara, M.D. prescribe under Medicare Part D?

In 2024, Karl Tanara, M.D. had 1,722 Medicare Part D claims for 974 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.