Ernest James Rin, MD
NPI 1023578101 · Emergency Medicine Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ernest James Rin, MD is a Emergency Medicine Physician provider in Los Angeles, CA (NPI 1023578101).
Provider details
- NPI number
- 1023578101
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A182811 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
7 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
109 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 55 | $171 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 30 | $119 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 24 | $8 |
Typical Medicare-allowed amounts for these services range $8–$171 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Famotidine | 32 | 31 |
| Ciprofloxacin Hcl | 31 | 31 |
| Montelukast Sodium | 24 | 24 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 22 | 22 |
| Clindamycin Hcl | 18 | 18 |
| Dexamethasone | 18 | 18 |
| Azithromycin | 16 | 16 |
| Ibuprofen |
Practice location
Mailing address
Additional practice locations (2)
- 35 Medical Center PkwyAugusta, ME 04330-8160Phone: (207) 626-1000
- 1 Brookdale PlzBrooklyn, NY 11212-3198Phone: (718) 240-5000
Registry dates
- Enumerated
- 2019-03-23
- Last updated
- 2022-10-19
- Certified
- 2022-10-19
Frequently asked questions
- What is Ernest James Rin's NPI number?
- Ernest James Rin's National Provider Identifier (NPI) is 1023578101, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ernest James Rin's specialty?
- Ernest James Rin is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ernest James Rin located?
- Ernest James Rin's practice location on file with NPPES is 1300 N Vermont Ave, Los Angeles, CA 90027-6098.
- What is Ernest James Rin's phone number?
- The practice phone number listed in the NPPES registry for Ernest James Rin is (213) 413-3000.
- Does Ernest James Rin accept Medicare?
- Ernest James Rin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ernest James Rin's NPI active?
- Yes — Ernest James Rin's NPI (1023578101) is active in the NPPES registry as of the last update on 2022-10-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.