DR. MICHAEL Y CHOI MD
NPI 1922083344
Internal Medicine - Gastroenterology in Worcester, MA
About Dr. Michael Y Choi Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MICHAEL Y CHOI MD (NPI 1922083344) is an individual gastroenterology provider in Worcester, Massachusetts, licensed in Massachusetts (217235) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS, is affiliated with Mid Coast Hospital, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 3
Other Identifiers 1
Accepted Insurance
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
Dr. Michael Y Choi Md 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.
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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mid Coast Hospital
Acute Care Hospitals · Brunswick, MEExeter Hospital Inc
Acute Care Hospitals · Exeter, NHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 01605 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
Other Providers at the Same Location NPPES 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Michael Choi's NPI number?
The NPI number for Michael Choi is 1922083344. It was assigned to this individual provider in the NPPES registry on December 8, 2005.
Where is Michael Choi located?
Michael Choi practices at 21 Eastern Ave, Worcester, MA 01605. The listed phone number is (508) 334-8419.
What is Michael Choi's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Michael Choi enrolled in Medicare?
Yes. Michael Choi 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.
What insurance does Michael Choi accept?
Health plans from Harvard Pilgrim Health Care and WellSense Health Plan list Michael Choi as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Michael Choi affiliated with any hospitals?
According to CMS data, Michael Choi is affiliated with Mid Coast Hospital and Exeter Hospital Inc.
When was this NPI record last updated?
The NPPES record for Michael Choi was last updated on June 24, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.