Yun Shim, M.D.
NPI 1265575138 · Critical Care Medicine (Internal Medicine) Physician · New York, NY
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Yun Shim, M.D. is a Critical Care Medicine (Internal Medicine) Physician provider in New York, NY (NPI 1265575138).
Provider details
- NPI number
- 1265575138
- Entity type
- Individual
- Primary specialty
- Critical Care Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 0101236773 (VA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,223 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) |
|---|---|---|
| Test to Measure Expiratory Airflow and Volume94010 | 424 | $8 |
| Test to Examine How Well the Lungs Exchange Gases94729 | 158 | $8 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 133 | $93 |
| Test for Exercise-Induced Lung Stress94618 | 131 | $21 |
| Test to Determine Lung Volumes Using Sensors94726 | 94 | $11 |
| Test to Measure Expiratory Airflow and Volume94010 | 55 | $8 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 88 | 29 |
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 71 | 19 |
| Prednisone | 68 | 26 |
| Umeclidinium Brm/Vilanterol Trbrand: Anoro Ellipta | 57 | 12 |
| Fluticasone/Vilanterolbrand: Breo Ellipta | 52 | 13 |
| Roflumilast | 40 | 12 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-02-14
- Last updated
- 2026-03-31
- Certified
- 2026-03-31
Frequently asked questions
- What is Yun Shim's NPI number?
- Yun Shim's National Provider Identifier (NPI) is 1265575138, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Yun Shim's specialty?
- Yun Shim is listed in the NPPES registry with a primary specialty of Critical Care Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Yun Shim located?
- Yun Shim's practice location on file with NPPES is 425 E 61st St, New York, NY 10065-8722.
- What is Yun Shim's phone number?
- The practice phone number listed in the NPPES registry for Yun Shim is (646) 962-2323.
- Does Yun Shim accept Medicare?
- Yun Shim is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Yun Shim's NPI active?
- Yes — Yun Shim's NPI (1265575138) is active in the NPPES registry as of the last update on 2026-03-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.