AMY L. HOLTHOUSER MD
NPI 1083775993
Internal Medicine in Louisville, KY
About Amy L. Holthouser Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
AMY L. HOLTHOUSER MD (NPI 1083775993) is an individual internal medicine provider in Louisville, Kentucky, licensed in Kentucky (40653) and active in the NPI registry since December 2006. She is enrolled in Medicare PECOS and maintains a secondary practice location in Newburgh.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Location 1
Other Identifiers 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Amy L. Holthouser Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
4Medicare enrollment records show Amy Holthouser reassigns Medicare billing to 4 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
Louisville, KY 40241
- Reassigned Medicare billing, Kentucky enrollment
- Medicare enrollment name: Norton Childrens Medical Group LLC
- 1,008 clinicians in this Medicare group
Ferdinand, IN 47532
- Reassigned Medicare billing, Indiana enrollment
- 172 clinicians in this Medicare group
Newburgh, IN 47630
- Reassigned Medicare billing, Indiana enrollment
- 717 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.
Physician 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
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 Amy Holthouser's NPI number?
The NPI number for Amy Holthouser is 1083775993. It was assigned to this individual provider in the NPPES registry on December 13, 2006.
Where is Amy Holthouser located?
Amy Holthouser practices at 231 E Chestnut St, Louisville, KY 40202. The listed phone number is (502) 629-4750.
What is Amy Holthouser's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Amy Holthouser enrolled in Medicare?
Yes. Amy Holthouser is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Amy Holthouser's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Amy Holthouser reassigns Medicare benefits to 4 organizations: University Of Louisville Physicians, Inc. (Louisville, KY), Norton Children's Medical Group, LLC (Louisville, KY), Deaconess Memorial Medical Center Inc (Ferdinand, IN) and Deaconess Hospital, Inc. (Newburgh, IN). 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 Amy Holthouser's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Amy Holthouser accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter of Tennessee and Cigna Healthcare list Amy Holthouser 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.
When was this NPI record last updated?
The NPPES record for Amy Holthouser was last updated on June 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Amy L. Holthouser, MD · NPI 1083775993
Internal Medicine physician in Louisville, Kentucky. Individual provider, active in the CMS NPPES registry since December 13, 2006.
## Identity
- **NPI:** 1083775993 (Entity type: Individual)
- **Enumerated:** December 13, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 40653 (Kentucky)
- **Sole proprietor:** No
## Practice location
- **Address:** 231 E CHESTNUT ST, Louisville, KY 40202-1821
- **Phone:** (502) 629-4750 · **Fax:** (502) 629-4617
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **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): University Of Louisville Physicians, Inc. (NPI 1417219148, Louisville, KY); Norton Children's Medical Group, LLC (NPI 1013559921, Louisville, KY); Deaconess Memorial Medical Center Inc (NPI 1700966777, Ferdinand, IN); Deaconess Hospital, Inc. (NPI 1619755329, Newburgh, IN) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 9, 2026
- **Other identifiers:** Medicaid 64127806 (KY); Medicaid 200864140 (IN)
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Source: [NPI Profile](https://npiprofile.com/npi/1083775993) · Data from the CMS NPPES public registry.