Doctor profile · Federal record

Dr. Ernest James Rin, MD

Emergency Medicine Physician (CMS: Emergency Medicine) · Emergency Medicine Physician · Student in an Organized Health Care Education/Training Program · Los Angeles, CA

  • NPI 1023578101
  • Accepts Medicare
  • MIPS 74.3 / 100 · 2023
  • 7 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
1300 N Vermont Ave
Los Angeles, CA 900276098
(213) 413-3000
Additional location
1 Brookdale Plz
Brooklyn, NY 112123198
(718) 240-5000
Additional location
35 Medical Center Pkwy
Augusta, ME 043308160
(207) 626-1000
Mailing address
1 Brookdale Plz
Brooklyn, NY 112123198

Credentials & registration

NPPES · NUCC
NPI registered
March 2019 — 7 yrs on file
Profile last updated
October 19, 2022
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
207P00000X — NUCC code
State licenses (2)
Maine #MD26419 · California #A182811

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1023578101. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
43
Distinct HCPCS
2
Medicare allowed
$6,308
HCPCS Description Services Patients Avg allowed
99284 Emergency department visit with moderate level of medical decision making 22 22 $118
99285 Emergency department visit with high level of medical decision making 21 21 $177

In context: peer comparison

Among 185 peers in Los Angeles Emergency Medicine Physician, average services per provider: 87. This provider delivers 0.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
194
Patients
193
Total drug cost
$2,086
Drug Type Claims Patients Total cost
Ciprofloxacin Hcl Generic 66 66 $568
Famotidine Generic 26 26 $216
Clindamycin Hcl Generic 22 22 $354
Azithromycin Generic 21 21 $131
Montelukast Sodium Generic 18 18 $115
Moxifloxacin Hcl Generic 16 16 $387
Dexamethasone Generic 13 13 $92
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 12 11 $223

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ernest James Rin's medical specialty?
Dr. Ernest James Rin practices Emergency Medicine Physician in Los Angeles, CA.
Where does Dr. Ernest James Rin practice?
Dr. Ernest James Rin practices at 1300 N Vermont Ave, Los Angeles, CA 900276098. Office phone: 2134133000.
What is Dr. Ernest James Rin's NPI?
Dr. Ernest James Rin's National Provider Identifier (NPI) is 1023578101, issued by NPPES.
Does Dr. Ernest James Rin accept Medicare assignment?
Yes. Dr. Ernest James Rin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ernest James Rin commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with high level of medical decision making (HCPCS 99285). Source: CMS Medicare Physician & Other Practitioners file.