JAIMO AHN MD
NPI 1184784977
Orthopaedic Surgery in Ann Arbor, MI
About Jaimo Ahn Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JAIMO AHN MD (NPI 1184784977) is an individual orthopaedic surgery provider in Ann Arbor, Michigan, licensed in Michigan (4301501997) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS, is affiliated with Grady Memorial Hospital, and is a graduate of Perelman School Of Med At The University Of Pennsylvania (2003).
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
Jaimo Ahn 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 Reassignments
3Medicare enrollment records show Jaimo Ahn reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Ann Arbor, MI 48105
- Reassigned Medicare billing, Michigan enrollment
- 48 clinicians in this Medicare group
Berwyn, PA 19312
- Reassigned Medicare billing, Pennsylvania enrollment
- 3,488 clinicians in this Medicare group
Atlanta, GA 30303
- Reassigned Medicare billing, Georgia enrollment
- 2,681 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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Grady Memorial Hospital
Acute Care Hospitals · Atlanta, GAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48109 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.
ANN ARBOR, MI 48109
ANN ARBOR, MI 48109
ANN ARBOR, MI 48109
ANN ARBOR, MI 48109
ANN ARBOR, MI 48109
ANN ARBOR, MI 48109
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 Jaimo Ahn's NPI number?
The NPI number for Jaimo Ahn is 1184784977. It was assigned to this individual provider in the NPPES registry on December 11, 2006.
Where is Jaimo Ahn located?
Jaimo Ahn practices at 1500 E Medical Center Dr, Ann Arbor, MI 48109. The listed phone number is (734) 936-4000.
What is Jaimo Ahn's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.
Is Jaimo Ahn enrolled in Medicare?
Yes. Jaimo Ahn 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 Jaimo Ahn's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jaimo Ahn reassigns Medicare benefits to 3 organizations: Regents Of The University Of Michigan (Ann Arbor, MI), University Of Penn-Medical Group (Berwyn, PA) and Emory Medical Care Foundation Inc (Atlanta, GA). 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 Jaimo Ahn's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Jaimo Ahn accept?
Health plans from Oscar Health list Jaimo Ahn 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 Jaimo Ahn affiliated with any hospitals?
According to CMS data, Jaimo Ahn is affiliated with Grady Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Jaimo Ahn was last updated on July 8, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Jaimo Ahn, MD · NPI 1184784977
Orthopaedic Surgery physician in Ann Arbor, Michigan. Individual provider, active in the CMS NPPES registry since December 11, 2006.
## Identity
- **NPI:** 1184784977 (Entity type: Individual)
- **Enumerated:** December 11, 2006
- **Primary specialty:** Orthopaedic Surgery · taxonomy 207X00000X
- **State license:** 4301501997 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 1500 E MEDICAL CENTER DR, Ann Arbor, MI 48109-5000
- **Phone:** (734) 936-4000
## 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): Regents Of The University Of Michigan (NPI 1033524335, Ann Arbor, MI); University Of Penn-Medical Group (NPI 1396133559, Berwyn, PA); Emory Medical Care Foundation Inc (NPI 1063452381, Atlanta, GA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Perelman School Of Med At The University Of Pennsylvania, class of 2003
## Record status
- **NPPES last updated:** July 8, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1184784977) · Data from the CMS NPPES public registry.