DR. MICHAEL K YOON M.D.
NPI 1710199047
Ophthalmology in Boston, MA
About Dr. Michael K Yoon M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MICHAEL K YOON M.D. (NPI 1710199047) is an individual ophthalmology provider in Boston, Massachusetts, licensed in Massachusetts (248987) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and is a graduate of Albany Medical College Of Union University (2004).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Michael K Yoon 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.
Medicare Billing Reassignments
3Medicare enrollment records show Michael Yoon reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 478 clinicians in this Medicare group
Boston, MA 02215
- Reassigned Medicare billing, Massachusetts enrollment
- 1,477 clinicians in this Medicare group
Boston, MA 02215
- Reassigned Medicare billing, Massachusetts enrollment
- Also billed through NPI 1720037385 (Massachusetts)
- 2,579 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 18
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Massachusetts General Hospital
Acute Care Hospitals · Boston, MAMassachusetts Eye And Ear Infirmary -
Acute Care Hospitals · Boston, MABeth Israel Deaconess Medical Center
Acute Care Hospitals · Boston, MABrigham And Women's Hospital
Acute Care Hospitals · Boston, MAWentworth-Douglass Hospital
Acute Care Hospitals · Dover, NHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02114 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
BOSTON, MA 02114
BOSTON, MA 02114
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 Yoon's NPI number?
The NPI number for Michael Yoon is 1710199047. It was assigned to this individual provider in the NPPES registry on May 7, 2007.
Where is Michael Yoon located?
Michael Yoon practices at 243 Charles St 10 Floor Oculoplastics, Boston, MA 02114. The listed phone number is (518) 221-0414.
What is Michael Yoon's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Michael Yoon enrolled in Medicare?
Yes. Michael Yoon 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.
Which organizations bill Medicare for Michael Yoon's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Yoon reassigns Medicare benefits to 3 organizations: Massachusetts Eye And Ear Associates, Inc. (Boston, MA), Beth Israel Deaconess Medical Center, Inc. (Boston, MA) and Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc (Boston, MA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Michael Yoon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Michael Yoon accept?
Health plans from Anthem Blue Cross and Blue Shield list Michael Yoon 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 Yoon affiliated with any hospitals?
According to CMS data, Michael Yoon is affiliated with Massachusetts General Hospital, Massachusetts Eye And Ear Infirmary -, Beth Israel Deaconess Medical Center, Brigham And Women's Hospital and Wentworth-Douglass Hospital.
When was this NPI record last updated?
The NPPES record for Michael Yoon was last updated on October 26, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years 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.
# Dr. Michael K Yoon, M.D. · NPI 1710199047
Ophthalmology physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since May 7, 2007.
## Identity
- **NPI:** 1710199047 (Entity type: Individual)
- **Enumerated:** May 7, 2007
- **Primary specialty:** Ophthalmology · taxonomy 207W00000X
- **State license:** 248987 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 243 CHARLES ST, 10 FLOOR OCULOPLASTICS, Boston, MA 02114-3002
- **Phone:** (518) 221-0414
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Massachusetts Eye And Ear Associates, Inc. (NPI 1932574332, Boston, MA); Beth Israel Deaconess Medical Center, Inc. (NPI 1548202641, Boston, MA); Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc (NPI 1194765438, Boston, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Albany Medical College Of Union University, class of 2004
## Record status
- **NPPES last updated:** October 26, 2011
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Source: [NPI Profile](https://npiprofile.com/npi/1710199047) · Data from the CMS NPPES public registry.