What is Ethan Lin's NPI number?

Ethan Lin's National Provider Identifier (NPI) is 1255871711, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Ethan Lin's specialty?

Ethan Lin is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).

Where is Ethan Lin located?

Ethan Lin's practice location on file with NPPES is 1100 Wilshire Blvd Apt 2507, Los Angeles, CA 90017-1963.

What is Ethan Lin's phone number?

The practice phone number listed in the NPPES registry for Ethan Lin is (510) 612-5529.

Does Ethan Lin accept Medicare?

Ethan Lin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Ethan Lin's NPI active?

Yes — Ethan Lin's NPI (1255871711) is active in the NPPES registry as of the last update on 2025-10-20.

IndividualActiveAccepts Medicare

Ethan Lin, MD

NPI 1255871711 · Hospitalist Physician · Los Angeles, CA

Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Ethan Lin, MD is a Hospitalist Physician provider in Los Angeles, CA (NPI 1255871711).

Provider details

NPI number: 1255871711
Entity type: Individual
Primary specialty: Hospitalist PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Male
Sole proprietor: No
License: A164328 (CA)

Specialties & taxonomies

Hospitalist PhysicianPrimary208M00000XLicense A164328 (CA)
Allopathic & Osteopathic Physicians
Hospitalist Physician208M00000XLicense C1-0025351 (DE)
Allopathic & Osteopathic Physicians
Family Medicine Physician207Q00000XLicense MD.47106 (AL)
Allopathic & Osteopathic Physicians
Student in an Organized Health Care Education/Training Program390200000X
Student, Health Care

Profile Score

Established profile(61/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure28% of score
9 yrs in NPPES registry
Profile completeness28% of score
100% of core fields populated
Practice footprint17% of score
2 documented practice locations
Medicare service volume (vs. specialty peers)28% of score
278 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)
Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223	201	$185
Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233	31	$123
Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232	23	$81
Hospital Discharge Day Management, More Than 30 Minutes99239	23	$120

Typical Medicare-allowed amounts for these services range $81–$185 (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.

Practice location

1100 Wilshire Blvd Apt 2507

Los Angeles, CA 90017-1963

Phone: (510) 612-5529

Street-level locationGet directions

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Mailing address