JOON SHIM M.D.
NPI 1891840708
Surgery in Dayton, OH
About Joon Shim M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOON SHIM M.D. (NPI 1891840708) is an individual surgery provider in Dayton, Ohio, licensed in Ohio (35128735) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS, is affiliated with Aurelia Osborn Fox Memorial Hospital, and is a graduate of George Washington University School Of Medicine (2006).
NPPES Registry Identity
Specialties & Licenses
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
Joon Shim 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
4Medicare enrollment records show Joon Shim reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Delhi, NY 13753
- Reassigned Medicare billing, New York enrollment
- 199 clinicians in this Medicare group
Cooperstown, NY 13326
- Reassigned Medicare billing, New York enrollment
- 1,052 clinicians in this Medicare group
Little Falls, NY 13365
- Reassigned Medicare billing, New York enrollment
- 202 clinicians in this Medicare group
Cobleskill, NY 12043
- Reassigned Medicare billing, New York enrollment
- 202 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
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.
Aurelia Osborn Fox Memorial Hospital
Acute Care Hospitals · Oneonta, NYBassett Healthcare
Acute Care Hospitals · Cooperstown, NYLittle Falls Hospital
Critical Access Hospitals · Little Falls, NYCobleskill Regional Hospital
Critical Access Hospitals · Cobleskill, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 45409 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 20
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 Joon Shim's NPI number?
The NPI number for Joon Shim is 1891840708. It was assigned to this individual provider in the NPPES registry on January 24, 2007.
Where is Joon Shim located?
Joon Shim practices at 30 E Apple St, Dayton, OH 45409. The listed phone number is (937) 245-7100.
What is Joon Shim's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is Joon Shim enrolled in Medicare?
Yes. Joon Shim 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 Joon Shim's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Joon Shim reassigns Medicare benefits to 4 organizations: O'connor Hospital (Delhi, NY), Mary Imogene Bassett Hospital (Cooperstown, NY), Little Falls Hospital (Little Falls, NY) and Bassett Hospital Of Schoharie County (Cobleskill, NY). 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 Joon Shim's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Joon Shim affiliated with any hospitals?
According to CMS data, Joon Shim is affiliated with Aurelia Osborn Fox Memorial Hospital, Bassett Healthcare, Little Falls Hospital and Cobleskill Regional Hospital.
When was this NPI record last updated?
The NPPES record for Joon Shim was last updated on February 24, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.
# Joon Shim, M.D. · NPI 1891840708
Surgery physician in Dayton, Ohio. Individual provider, active in the CMS NPPES registry since January 24, 2007.
## Identity
- **NPI:** 1891840708 (Entity type: Individual)
- **Enumerated:** January 24, 2007
- **Primary specialty:** Surgery · taxonomy 208600000X
- **State license:** 35128735 (Ohio)
- **Sole proprietor:** No
## Practice location
- **Address:** 30 E APPLE ST, Dayton, OH 45409-2939
- **Phone:** (937) 245-7100 · **Fax:** (937) 245-7999
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): O'connor Hospital (NPI 1891728192, Delhi, NY); Mary Imogene Bassett Hospital (NPI 1083664221, Cooperstown, NY); Little Falls Hospital (NPI 1558321919, Little Falls, NY); Bassett Hospital Of Schoharie County (NPI 1891862579, Cobleskill, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** George Washington University School Of Medicine, class of 2006
## Record status
- **NPPES last updated:** February 24, 2017
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Source: [NPI Profile](https://npiprofile.com/npi/1891840708) · Data from the CMS NPPES public registry.