MICHAEL CHUN YEUNG YIM MD
NPI 1063091940
Internal Medicine - Cardiovascular Disease in Boston, MA

Q: What is Michael Yim's NPI number?

The NPI number for Michael Yim is 1063091940. It was assigned to this individual provider in the NPPES registry on April 7, 2021.

Q: What is Michael Yim's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Q: When was this NPI record last updated?

The NPPES record for Michael Yim was last updated on June 23, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS; the most recent full sync was completed on July 26, 2026. Anyone can also request an on-demand re-check of this record against the live CMS registry, directly from this page.

Active since April 07, 2021PECOS Enrolled

800 WASHINGTON ST, BOSTON, MA 02111(617) 636-5000 Get Directions Write a Review

NPPES record last updated: June 23, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jun 23, 2025, Jun 6, 2024, May 12, 2021 and 1 more (4 updates tracked since 2021).

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About Michael Chun Yeung Yim Md NPPES

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

MICHAEL CHUN YEUNG YIM MD (NPI 1063091940) is an individual cardiovascular disease provider in Boston, Massachusetts, licensed in Massachusetts (1023602) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1063091940

Entity TypeIndividualMale

Primary Taxonomy207RC0000X

Provider Legal NameMICHAEL CHUN YEUNG YIMCredential: MD

Location Address800 WASHINGTON STBoston, MA 02111-1552

Mailing Address800 Washington StBoston, MA 02111-1552 · (617) 636-5000

Phone(617) 636-5000

Sole ProprietorYes

Enumeration DateApril 7, 2021

Last NPPES UpdateJune 23, 20254 updates tracked since enumeration

NPPES CertifiedJune 23, 2025

✔ NPI 1063091940 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RC0000X

License✔ Licensed in MA · 1023602

Definition

An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

Also ListedInternal MedicineTaxonomy 207R00000X · License 35.150785 (OH)

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

800 WASHINGTON ST, Boston, MA 02111

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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 (PECOS)

Michael Chun Yeung Yim Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

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.

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.

11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02111 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

$144.11 typical visit price

range $63.72 – $189.86

Typical copayment $36.02 (range $15.93 – $47.46)

Most-billed visit code 99204

Established Patient

$78.84 typical visit price

range $21.07 – $155.29

Typical copayment $19.71 (range $5.26 – $38.82)

Most-billed visit code 99213

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

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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.

AARON DICKSTEIN M.D.

Internal Medicine (Gastroenterology)

800 WASHINGTON ST, BOX 233
BOSTON, MA 02111

Suffolk County (617) 636-5883

THOMAS E BIGELOW

Technician/Technologist (Optician)

800 WASHINGTON ST, BOX 450
BOSTON, MA 02111

Suffolk County (617) 636-5857

SARAH MERRIMAN PERSING M.D.

Plastic Surgery