DR. JUNGSIK YOO D.O.
NPI 1831487180
Hospitalist in Massena, NY
About Dr. Jungsik Yoo D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JUNGSIK YOO D.O. (NPI 1831487180) is an individual hospitalist provider in Massena, New York, licensed in New Jersey (25MB09436000) and active in the NPI registry since July 2011. He is enrolled in Medicare PECOS, is affiliated with Munson Healthcare Grayling Hospital, and maintains a secondary practice location in Midland.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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. Jungsik Yoo D.o. 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
16Medicare enrollment records show Jungsik Yoo reassigns Medicare billing to 16 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Saranac Lake, NY 12983
- Reassigned Medicare billing, New York enrollment
- 14 clinicians in this Medicare group
Plattsburgh, NY 12901
- Reassigned Medicare billing, New York enrollment
- 675 clinicians in this Medicare group
Utica, NY 13502
- Reassigned Medicare billing, New York enrollment
- 304 clinicians in this Medicare group
Cooperstown, NY 13326
- Reassigned Medicare billing, New York enrollment
- 1,052 clinicians in this Medicare group
Valhalla, NY 10595
- Reassigned Medicare billing, New York enrollment
- 1,663 clinicians in this Medicare group
Paterson, NJ 07503
- Reassigned Medicare billing, New Jersey enrollment
- 78 clinicians in this Medicare group
Hackensack, NJ 07601
- Reassigned Medicare billing, New Jersey enrollment
- 110 clinicians in this Medicare group
Morristown, NJ 07960
- Reassigned Medicare billing, New Jersey enrollment
- 1,699 clinicians in this Medicare group
Midland, MI 48640
- Reassigned Medicare billing, Michigan enrollment
- 197 clinicians in this Medicare group
Pickford, MI 49774
- Reassigned Medicare billing, Michigan enrollment
- Medicare enrollment name: Mymichigan Medical Center Sault
- 185 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 3
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Munson Healthcare Grayling Hospital
Acute Care Hospitals · Grayling, MIMunson Healthcare Cadillac Hospital
Acute Care Hospitals · Cadillac, MIMunson Healthcare Otsego Memorial Hospital
Acute Care Hospitals · Gaylord, MIChippewa County War Memorial Hospital
Acute Care Hospitals · Sault Sainte Marie, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 13662 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.
MASSENA, NY 13662
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 Jungsik Yoo's NPI number?
The NPI number for Jungsik Yoo is 1831487180. It was assigned to this individual provider in the NPPES registry on July 20, 2011.
Where is Jungsik Yoo located?
Jungsik Yoo practices at 1 Hospital Dr, Massena, NY 13662. The listed phone number is (315) 769-4200.
What is Jungsik Yoo's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Jungsik Yoo enrolled in Medicare?
Yes. Jungsik Yoo 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 Jungsik Yoo's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jungsik Yoo reassigns Medicare benefits to 16 organizations: Adirondack Medical Center (Saranac Lake, NY), Champlain Valley Physicians Hospital Medical Center (Plattsburgh, NY), New York Medical Physician Associates PC (Utica, NY), Mary Imogene Bassett Hospital (Cooperstown, NY), Westchester Medical Center Advanced Physician Services PC (Valhalla, NY) and 11 more organizations, listed in the Medicare section above. 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 Jungsik Yoo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Jungsik Yoo accept?
Health plans from CareSource and Priority Health list Jungsik Yoo 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 Jungsik Yoo affiliated with any hospitals?
According to CMS data, Jungsik Yoo is affiliated with Munson Healthcare Grayling Hospital, Munson Healthcare Cadillac Hospital, Munson Healthcare Otsego Memorial Hospital and Chippewa County War Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Jungsik Yoo was last updated on June 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# Dr. Jungsik Yoo, D.O. · NPI 1831487180
Hospitalist physician in Massena, New York. Individual provider, active in the CMS NPPES registry since July 20, 2011.
## Identity
- **NPI:** 1831487180 (Entity type: Individual)
- **Enumerated:** July 20, 2011
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** 25MB09436000 (New Jersey)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1 HOSPITAL DR, Massena, NY 13662
- **Phone:** (315) 769-4200
## 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:** 16 organizations under Medicare reassignment (form CMS-855R): Adirondack Medical Center (NPI 1487183174, Saranac Lake, NY); Champlain Valley Physicians Hospital Medical Center (NPI 1033270699, Plattsburgh, NY); New York Medical Physician Associates PC (NPI 1619722147, Utica, NY); Mary Imogene Bassett Hospital (NPI 1083664221, Cooperstown, NY); Westchester Medical Center Advanced Physician Services PC (NPI 1740687458, Valhalla, NY); and 11 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Touro Un Col Of Osteopathic Medicine, New York, class of 2011
## Record status
- **NPPES last updated:** June 12, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1831487180) · Data from the CMS NPPES public registry.