DR. AARON C HAN MD
NPI 1063172658
Pathology - Anatomic Pathology & Clinical Pathology in Louisville, KY
About Dr. Aaron C Han Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. AARON C HAN MD (NPI 1063172658) is an individual anatomic pathology & clinical pathology provider in Louisville, Kentucky, licensed in Illinois (036174166) and active in the NPI registry since December 2021. He is enrolled in Medicare PECOS, is affiliated with Loyola Gottlieb Memorial Hospital, and is a graduate of Baylor College Of Medicine (1990).
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. Aaron C Han 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
6Medicare enrollment records show Aaron Han reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Louisville, KY 40202
- Reassigned Medicare billing, Kentucky enrollment
- 2,337 clinicians in this Medicare group
Plymouth, IN 46563
- Reassigned Medicare billing, Indiana enrollment
- 73 clinicians in this Medicare group
South Bend, IN 46601
- Reassigned Medicare billing, Indiana enrollment
- 216 clinicians in this Medicare group
Maywood, IL 60153
- Reassigned Medicare billing, Illinois enrollment
- 1,138 clinicians in this Medicare group
Newnan, GA 30265
- Reassigned Medicare billing, Georgia enrollment
- 448 clinicians in this Medicare group
Grand Forks, ND 58201
- Reassigned Medicare billing, North Dakota enrollment
- 701 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 2
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Loyola Gottlieb Memorial Hospital
Acute Care Hospitals · Melrose Park, ILMacneal Hospital
Acute Care Hospitals · Berwyn, ILLoyola University Medical Center
Acute Care Hospitals · Maywood, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 40202 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.
LOUISVILLE, KY 40202
LOUISVILLE, KY 40202
LOUISVILLE, KY 40202
LOUISVILLE, KY 40202
LOUISVILLE, KY 40202
LOUISVILLE, KY 40202
LOUISVILLE, KY 40202
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 Aaron Han's NPI number?
The NPI number for Aaron Han is 1063172658. It was assigned to this individual provider in the NPPES registry on December 22, 2021.
Where is Aaron Han located?
Aaron Han practices at 550 S Jackson St, Louisville, KY 40202. The listed phone number is (502) 852-1816.
What is Aaron Han's specialty?
The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.
Is Aaron Han enrolled in Medicare?
Yes. Aaron Han 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 Aaron Han's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Aaron Han reassigns Medicare benefits to 6 organizations: University Of Louisville Physicians, Inc. (Louisville, KY), Saint Joseph Regional Medical Center- Plymouth Campus Inc (Plymouth, IN), Saint Joseph Regional Medical Center-South Bend Campus, Inc (South Bend, IN), Loyola University Medical Center (Maywood, IL), City Of Hope Medical Group Of Georgia LLC (Newnan, GA) and 1 more organization, 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 Aaron Han's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Aaron Han accept?
Health plans from Anthem Blue Cross and Blue Shield, CareSource and Oscar Health list Aaron Han 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 Aaron Han affiliated with any hospitals?
According to CMS data, Aaron Han is affiliated with Loyola Gottlieb Memorial Hospital, Macneal Hospital and Loyola University Medical Center.
When was this NPI record last updated?
The NPPES record for Aaron Han was last updated on June 17, 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. Aaron C Han, MD · NPI 1063172658
Anatomic Pathology & Clinical Pathology physician in Louisville, Kentucky. Individual provider, active in the CMS NPPES registry since December 22, 2021.
## Identity
- **NPI:** 1063172658 (Entity type: Individual)
- **Enumerated:** December 22, 2021
- **Primary specialty:** Pathology - Anatomic Pathology & Clinical Pathology · taxonomy 207ZP0102X
- **State license:** 036174166 (Illinois)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 550 S JACKSON ST, Louisville, KY 40202-1622
- **Phone:** (502) 852-1816
## 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:** 6 organizations under Medicare reassignment (form CMS-855R): University Of Louisville Physicians, Inc. (NPI 1366722316, Louisville, KY); Saint Joseph Regional Medical Center- Plymouth Campus Inc (NPI 1821402876, Plymouth, IN); Saint Joseph Regional Medical Center-South Bend Campus, Inc (NPI 1023844693, South Bend, IN); Loyola University Medical Center (NPI 1336159961, Maywood, IL); City Of Hope Medical Group Of Georgia LLC (NPI 1447520333, Newnan, GA); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Baylor College Of Medicine, class of 1990
## Record status
- **NPPES last updated:** June 17, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1063172658) · Data from the CMS NPPES public registry.