NPPES file of Aug 9, 2026

Jason Elperin

Internal Medicine Physician · Los Angeles, CA

Jason Elperin is an internal medicine physician with a practice address in Los Angeles, California, and NPI 1316576895, issued on Apr 6, 2020. Check the license (California 20A20257, 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
1316576895
Name
Jason Elperin
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
20A20257 CA
Self-reported in NPPES; status is on the state search
Practice location
6041 Cadillac Ave, Los Angeles, CA 90034
Phone
(833) 574-2273
Enumerated
Apr 6, 2020
Record last updated
Jun 26, 2024
Medicare enrollment
Enrolled (PECOS I20240122004469); 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 6041 Cadillac Ave

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

  1. Sarah Abedi, M.D.Emergency Medicine Physician1518320654
  2. Felicia Adiele, CNMAdvanced Practice Midwife1205984143
  3. Angeli Agatep, MDInternal Medicine Physician1194873067
  4. Roberto AguiluzRegistered Respiratory Therapist1184102675
  5. Jose Aguinada, DPTPhysical Therapist1356067151
  6. Blasius AgumPsychiatric/Mental Health Nurse Practitioner1063293207

Verify Jason Elperin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A20257
    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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87% fewer Medicare Part D claims than the average internal medicine physician in 2024

405 Medicare Part D claims for 181 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 14 claims were for opioids.

  1. Jason Elperin405
  2. Specialty average3,176

Most prescribed

  1. Cefpodoxime Proxetil28 claims
  2. Prednisone19 claims
  3. Amlodipine Besylate18 claims
  4. Furosemide18 claims
  5. Atorvastatin Calcium14 claims
  6. Metoprolol Tartrate14 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. Southern California Permanente Medical GroupLos Angeles, CA

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

Jason Elperin among 17,696 internal medicine physician records in California

Jason Elperin 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 2020, is newer than 89% of them.

  • NPI issued2020 · 89% of these records are older, 8% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2020 · median 2004 among the 11,065 with a school on file
  • Record last updated2024 · 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).

1,423 internal medicine physician records list a practice address in Los Angeles

They are 1,423 of the 69,537 NPPES records with a practice address in Los Angeles, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Geoffrey Applebaum, MDLos Angeles, CA 900341477624435
  2. Kambiz Ashoorzadeh, D.OLos Angeles, CA 900341497855639
  3. Sharisse Chavez, MDLos Angeles, CA 900341265503247
  4. Allan Chen, MDLos Angeles, CA 900341003829326
  5. Lewis Guiss Jr., MDLos Angeles, CA 900341629145636
  6. David Guzman, M.D.Los Angeles, CA 900341275521494
  7. Mark Katz, MDLos Angeles, CA 900341487725370
  8. Eric Lee, MDLos Angeles, CA 900341275552556

Common questions

What is Jason Elperin's NPI number?

Jason Elperin's National Provider Identifier (NPI) is 1316576895, issued on Apr 6, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Jason Elperin located?

The NPPES record lists a practice address at 6041 Cadillac Ave, Los Angeles, CA, 90034. Phone: (833) 574-2273. Providers update this record themselves, so call before visiting.

How can I verify Jason Elperin's license?

NPPES lists California license number 20A20257, 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 Jason Elperin prescribe under Medicare Part D?

In 2024, Jason Elperin had 405 Medicare Part D claims for 181 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.