NPPES file of Aug 9, 2026

Ernest James Rin, MD

Emergency Medicine Physician · Los Angeles, CA

Ernest James Rin, MD is an emergency medicine physician with a practice address in Los Angeles, California, and NPI 1023578101, issued on Mar 23, 2019. Check the license (California A182811, 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
1023578101
Name
Ernest James Rin
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
A182811 CA
MD26419 ME
Self-reported in NPPES; status is on the state search
Practice location
1300 N Vermont Ave, Los Angeles, CA 90027
Phone
(213) 413-3000
Enumerated
Mar 23, 2019
Record last updated
Oct 19, 2022
Medicare enrollment
Enrolled (PECOS I20230519001364); 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 1300 N Vermont Ave

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

  1. Philip Abdoush, M.D.Personal Emergency Response Attendant1700091378
  2. Babak Abrishami, D.O.Pulmonary Disease Physician1972553576
  3. Allen Adams, M.D.Critical Care Medicine (Internal Medicine) Physician1700862794
  4. Yeong Ahn, M.D.Specialist1073504031
  5. Oscar Alvarez, IBCLCLactation Consultant (Non-RN)1396185617
  6. Silverio Arano, MDFamily Medicine Physician1447229851

Verify Ernest James Rin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A182811
    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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56% more Medicare Part D claims than the average emergency medicine physician in 2024

352 Medicare Part D claims for 217 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 15 claims were for opioids.

  1. Ernest James Rin352
  2. Specialty average226

Most prescribed

  1. Famotidine32 claims
  2. Ciprofloxacin Hcl31 claims
  3. Montelukast Sodium24 claims
  4. Albuterol Sulfate Hfa22 claims
  5. Clindamycin Hcl18 claims
  6. Dexamethasone18 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): 79.3 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 score73.7
  2. Costout of 100 · 30%60.5
  3. Promoting interoperabilityout of 100 · 25%76.0
  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 2 group practices

  1. Emergency Physicians Associates San Jose PCSan Jose, CA
  2. Mainegeneral Medical CenterAugusta, ME

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

Ernest James Rin among 7,751 emergency medicine physician records in California

Ernest James Rin, MD is one of 7,751 emergency 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 · 59% of these records are
  • Graduated2019 · median 2011 among the 4,560 with a school on file
  • Record last updated2022 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Emergency Medicine Physician providers in California

There are 7,751 emergency medicine physician records in California.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Vincent Bennett, MDLos Angeles, CA 900271982650776
  2. Estak Choudhury, MDLos Angeles, CA 900271790729846
  3. Michael Damiano, MDLos Angeles, CA 900271275600199
  4. Colleen Fluharty, MDLos Angeles, CA 900271083655963
  5. Jorge Llanes, MDLos Angeles, CA 900271801963814
  6. Robert Mangel, MDLos Angeles, CA 900271821165713
  7. Jane McGarvey, M.D.Los Angeles, CA 900271376657148
  8. Christopher Ng, MDLos Angeles, CA 900271790711588

Common questions

What is Ernest James Rin, MD's NPI number?

Ernest James Rin, MD's National Provider Identifier (NPI) is 1023578101, issued on Mar 23, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Ernest James Rin, MD located?

The NPPES record lists a practice address at 1300 N Vermont Ave, Los Angeles, CA, 90027. Phone: (213) 413-3000. Providers update this record themselves, so call before visiting.

How can I verify Ernest James Rin, MD's license?

NPPES lists California license number A182811, 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 Ernest James Rin, MD prescribe under Medicare Part D?

In 2024, Ernest James Rin, MD had 352 Medicare Part D claims for 217 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

What is Ernest James Rin, MD's MIPS final score?

The 2023 MIPS final score is 79.3 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.