NPPES file of Aug 9, 2026

Alan Nicholas Rojas, M.D.

Internal Medicine Physician · Los Angeles, CA

Alan Nicholas Rojas, M.D. is an internal medicine physician with a practice address in Los Angeles, California, and NPI 1477808509, issued on Jul 15, 2012. Check the license (California A139535, 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
1477808509
Name
Alan Nicholas Rojas
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A139535 CA
Self-reported in NPPES; status is on the state search
Practice location
1720 E Cesar E Chavez Ave, Los Angeles, CA 90033
Phone
(310) 945-6751
Enumerated
Jul 15, 2012
Record last updated
Jul 20, 2017 (not updated in 9 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20160923002228); 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 1720 E Cesar E Chavez Ave

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

  1. Carrie Adase, M.S., RDNRegistered Dietitian1548610991
  2. Kinza AhmedEmergency Medicine Physician1780250894
  3. Julieta Alfonso, MDStudent in an Organized Health Care Education/Training Program1063350718
  4. Maritza Alvarado, MD PHDFamily Medicine Physician1558803999
  5. Antranig Andonian, DOStudent in an Organized Health Care Education/Training Program1487409983
  6. Austin Apramian, DOInternal Medicine Physician1598119497

Verify Alan Nicholas Rojas in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A139535
    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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10% fewer Medicare Part D claims than the average internal medicine physician in 2024

2,870 Medicare Part D claims for 340 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 54 claims were for opioids.

  1. Alan Rojas2,870
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium167 claims
  2. Losartan Potassium118 claims
  3. Metformin Hcl113 claims
  4. Rosuvastatin Calcium108 claims
  5. Eliquis93 claims
  6. Pantoprazole Sodium93 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.

Industry payments in 2024: $75.81

3 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Alan Rojas$75.81
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Can Emergency Physicians Medical Group IncLos Angeles, CA

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

Alan Nicholas Rojas among 17,696 internal medicine physician records in California

Alan Nicholas Rojas, 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 2012, is newer than 68% of them.

  • NPI issued2012 · 68% of these records are older, 29% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2009 · median 2004 among the 11,065 with a school on file
  • Record last updated2017 · 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. Ron Ben-Ari, M.D.Los Angeles, CA 900331275562431
  2. John Brodhead, M.D.Los Angeles, CA 900331760424824
  3. Bharat Chaudry, M.D.Los Angeles, CA 900331194754374
  4. William Hardy, M.D.Los Angeles, CA 900331760410518
  5. Howard Hodis, M.D.Los Angeles, CA 900331407894009
  6. Eric Hsieh, M.D.Los Angeles, CA 900331811941974
  7. Jenny Hwang, M.D.Los Angeles, CA 900331578548764
  8. Michael Karp, M.D.Los Angeles, CA 900331336177229

Common questions

What is Alan Nicholas Rojas, M.D.'s NPI number?

Alan Nicholas Rojas, M.D.'s National Provider Identifier (NPI) is 1477808509, issued on Jul 15, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Alan Nicholas Rojas, M.D. located?

The NPPES record lists a practice address at 1720 E Cesar E Chavez Ave, Los Angeles, CA, 90033. Phone: (310) 945-6751. Providers update this record themselves, so call before visiting.

How can I verify Alan Nicholas Rojas, M.D.'s license?

NPPES lists California license number A139535, 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 Alan Nicholas Rojas, M.D. prescribe under Medicare Part D?

In 2024, Alan Nicholas Rojas, M.D. had 2,870 Medicare Part D claims for 340 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.