YUN MICHAEL SHIM M.D.
NPI 1265575138
Internal Medicine - Critical Care Medicine in New York, NY

Q: What is Yun Shim's NPI number?

The NPI number for Yun Shim is 1265575138. It was assigned to this individual provider in the NPPES registry on February 14, 2007.

Q: What is Yun Shim's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.

Q: When was this NPI record last updated?

The NPPES record for Yun Shim was last updated on March 31, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since February 14, 2007PECOS EnrolledAccepts Medicare Assignment

79.39/100

CMS Quality Rating

425 E 61ST ST, NEW YORK, NY 10065(646) 962-2323(646) 962-0330 Get Directions Write a Review

NPPES record last updated: March 31, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Yun Michael Shim M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

YUN MICHAEL SHIM M.D. (NPI 1265575138) is an individual critical care medicine provider in New York, New York, licensed in Virginia (0101236773) and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS, is affiliated with University Of Virginia Medical Center, and is a graduate of Virginia Commonwealth University, School Of Medicine (1998).

NPPES Registry Identity

NPI1265575138

Entity TypeIndividualMale

Primary Taxonomy207RC0200X

Provider Legal NameYUN MICHAEL SHIMCredential: M.D.

Location Address425 E 61ST STNew York, NY 10065-8722

Mailing Address575 Lexington Ave Fl 9New York, NY 10022-6145 · (646) 962-2333

Phone(646) 962-2323

Fax(646) 962-0330

Sole ProprietorNo

Medical School CMSVirginia Commonwealth University, School Of MedicineGraduated 1998

Enumeration DateFebruary 14, 2007

Last NPPES UpdateMarch 31, 2026

NPPES CertifiedMarch 31, 2026

✔ NPI 1265575138 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Critical Care MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207RC0200X

License✔ Licensed in VA · 0101236773

Definition

An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.

425 E 61ST ST, New York, NY 10065

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Yun Michael Shim M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7315935210

PECOS Enrollment IDI20040831000594

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 15

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Test to measure expiratory airflow and volume 94010

This test, known as spirometry, assesses how well your lungs work. It measures how much air you can inhale, how much you can exhale and how quickly you can exhale. It's non-invasive and helps diagnose conditions like asthma or COPD.

424 services373 patients

Test to examine how well the lungs exchange gases 94729

This is a test called a pulmonary function test, which helps understand the efficiency of your lungs. It measures how much air your lungs can hold, how quickly you can move air in and out of your lungs, and how well your lungs put oxygen into and remove carbon dioxide from your blood.

158 services156 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

133 services83 patients

Test for exercise-induced lung stress 94618

An exercise-induced lung stress test assesses how your lungs respond to physical activity. During the test, you'll exercise on a treadmill or stationary bike while your heart rate, breathing, blood pressure, and oxygen levels are monitored. This helps identify any abnormal lung responses to exercise.

131 services127 patients

Test to determine lung volumes using sensors 94726

This test, called spirometry, measures lung capacity using sensors. You breathe into a mouthpiece attached to a device that records the amount and rate of air you inhale and exhale. It helps diagnose and monitor lung conditions.

94 services94 patients

Test to measure expiratory airflow and volume 94010

55 services55 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

43 services24 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

39 services18 patients

Test for exercise-induced lung stress 94618

34 services34 patients

Test to examine how well the lungs exchange gases 94729

25 services25 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

22 services15 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

22 services22 patients

Test to determine lung volumes using sensors 94726

19 services19 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

13 services13 patients

Test to measure expiratory airflow and volume changes before and after medication administration 94060

This procedure measures how air flows in and out of your lungs. It's done before and after medication to see if the treatment improves your breathing. It's a simple, non-invasive test that involves breathing into a device called a spirometer.

11 services11 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

University Of Virginia Medical Center

Acute Care Hospitals · Charlottesville, VA

4/5 CMS rating

OwnershipGovernment - State

CMS Certification Number490009

Location1215 Lee StreetCharlottesville, VA 22908 · Charlottesville City County

Emergency services Birthing friendly

Augusta Health

Acute Care Hospitals · Fishersville, VA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number490018

Location78 Medical Center DriveFishersville, VA 22939 · Augusta County

Emergency services Birthing friendly

Centra Health - Lynchburg Gen Hospital

Acute Care Hospitals · Lynchburg, VA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number490021

Location1901 Tate Springs RoadLynchburg, VA 24501 · Lynchburg City County

Emergency services Birthing friendly

Sentara Martha Jefferson Hospital

Acute Care Hospitals · Charlottesville, VA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number490077

Location500 Martha Jefferson DriveCharlottesville, VA 22911 · Albemarle County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10065 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$150.24 typical visit price

range $65.69 – $198.19

Typical copayment $37.56 (range $16.42 – $49.54)

Most-billed visit code 99204

Established Patient

$114.88 typical visit price

range $21.20 – $160.66

Typical copayment $28.72 (range $5.30 – $40.16)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

79.39/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

73.66

Promoting Interoperability

100

Improvement Activities

Cost

57.65

Referred Medical Equipment & Supplies CMS DME claims 10

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431

DME-Oxygen and Supplies · category DC000N

4 suppliers68 claims71 services$15.38 avg. paid by Medicare

Nebulizer, with compressor E0570

DME-Other DME · category DE000N

4 suppliers32 claims33 services$5.11 avg. paid by Medicare

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

8 suppliers169 claims171 services$84.06 avg. paid by Medicare

Portable oxygen concentrator, rental E1392

DME-Oxygen and Supplies · category DC002N

5 suppliers65 claims65 services$33.60 avg. paid by Medicare

Albuterol, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose, 1 mg J7613

DME-Drugs Administered Through DME · category DG006N

3 suppliers16 claims2,099 services$0.03 avg. paid by Medicare

Levalbuterol, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose, 0.5 mg J7614

DME-Drugs Administered Through DME · category DG006N

9 suppliers28 claims7,188 services$0.04 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

WEILL MEDICAL COLLEGE OF CORNELL UNIVERSITY

Internal Medicine

425 E 61ST ST
NEW YORK, NY 10065

New York County (212) 590-5741

ANDREW ATHAN MCALEAVEY PH.D.

Psychologist

425 E 61ST ST, PH FLOOR
NEW YORK, NY 10065

New York County (212) 821-0711

VICTORIA GRODZKI NP

Nurse Practitioner (Acute Care)

425 E 61ST ST
NEW YORK, NY 10065

New York County (646) 962-2065

VERONICA ANGELICA FITZPATRICK ANP-BC

Nurse Practitioner (Adult Health)

425 E 61ST ST, 8TH FLOOR
NEW YORK, NY 10065

New York County (212) 821-0644

SARAH REYNOLDS

Nurse Practitioner (Adult Health)

425 E 61ST ST, 5TH FLOOR
NEW YORK, NY 10065

New York County (646) 962-7378

DR. DAVID CHAPPELL WEIR MD

Internal Medicine (Pulmonary Disease)

425 E 61ST ST, 4TH FLOOR
NEW YORK, NY 10065

New York County (646) 962-2333

MARINA JULIA CORINES

Radiology (Diagnostic Radiology)

425 E 61ST ST
NEW YORK, NY 10065

New York County (646) 962-9650

KERRY MCMANUS NP

Nurse Practitioner (Family)

425 E 61ST ST, 5TH FLOOR
NEW YORK, NY 10065

New York County (646) 962-9427

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Yun Shim's NPI number?

The NPI number for Yun Shim is 1265575138. It was assigned to this individual provider in the NPPES registry on February 14, 2007.

Where is Yun Shim located?

Yun Shim practices at 425 E 61st St, New York, NY 10065. The listed phone number is (646) 962-2323.

What is Yun Shim's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.

Is Yun Shim enrolled in Medicare?

Yes. Yun Shim is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Yun Shim affiliated with any hospitals?

According to CMS data, Yun Shim is affiliated with University Of Virginia Medical Center, Augusta Health, Centra Health - Lynchburg Gen Hospital and Sentara Martha Jefferson Hospital.

When was this NPI record last updated?

The NPPES record for Yun Shim was last updated on March 31, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.