DR. MICHAEL SUNGSHICK YOON MD
NPI 1821039090
Neurological Surgery in Willow Grove, PA
About Dr. Michael Sungshick Yoon Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MICHAEL SUNGSHICK YOON MD (NPI 1821039090) is an individual neurological surgery provider in Willow Grove, Pennsylvania, licensed in Pennsylvania (MD061905L) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Lansdale Hospital, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 3
Other Identifiers 1
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 Sungshick Yoon 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.
Medicare Billing Reassignment
Medicare enrollment records show Michael Yoon reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Willow Grove, PA 19090
- Reassigned Medicare billing, Pennsylvania enrollment
- Also billed through NPI 1386685386 (Pennsylvania)
- 6 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 10
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.
Lansdale Hospital
Acute Care Hospitals · Lansdale, PASt Luke's Hospital Bethlehem
Acute Care Hospitals · Bethlehem, PAHoly Redeemer Hospital And Medical Center
Acute Care Hospitals · Meadowbrook, PAAlbert Einstein Medical Center
Acute Care Hospitals · Philadelphia, PAAbington Memorial Hospital
Acute Care Hospitals · Abington, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 19090 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
WILLOW GROVE, PA 19090
WILLOW GROVE, PA 19090
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 1821039090. It was assigned to this individual provider in the NPPES registry on June 9, 2006.
Where is Michael Yoon located?
Michael Yoon practices at 2510 Maryland Rd Ste 185, Willow Grove, PA 19090. The listed phone number is (215) 657-5886.
What is Michael Yoon's specialty?
The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.
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 organization bills Medicare for Michael Yoon's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Yoon reassigns Medicare benefits to Abington Memorial Hospital (Willow Grove, PA). The 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.
Is Michael Yoon affiliated with any hospitals?
According to CMS data, Michael Yoon is affiliated with Lansdale Hospital, St Luke's Hospital Bethlehem, Holy Redeemer Hospital And Medical Center, Albert Einstein Medical Center and Abington Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Michael Yoon was last updated on March 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.