JOSEPH M HAHN MD
NPI 1114192473
Orthopaedic Surgery in Casper, WY
About Joseph M Hahn Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOSEPH M HAHN MD (NPI 1114192473) is an individual orthopaedic surgery provider in Casper, Wyoming, licensed in Wyoming (14979A) and active in the NPI registry since April 2008. He is enrolled in Medicare PECOS, is affiliated with Southcoast Hospitals Group, and is a graduate of Other (2008).
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 (PECOS)
Joseph M Hahn Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Joseph Hahn reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Casper, WY 82609
- Reassigned Medicare billing, Wyoming enrollment
- 27 clinicians in this Medicare group
Victorville, CA 92395
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Premier Orthopaedic Trauma Specialists Pmc
- 32 clinicians in this Medicare group
Lancaster, CA 93534
- Reassigned Medicare billing, California enrollment
- 13,921 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 6
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Southcoast Hospitals Group
Acute Care Hospitals · Fall River, MAWyoming Medical Center
Acute Care Hospitals · Casper, WYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 82609 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Joseph Hahn's NPI number?
The NPI number for Joseph Hahn is 1114192473. It was assigned to this individual provider in the NPPES registry on April 28, 2008.
Where is Joseph Hahn located?
Joseph Hahn practices at 4140 Centennial Hills Blvd Ste C, Casper, WY 82609. The listed phone number is (307) 265-7205.
What is Joseph Hahn's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.
Is Joseph Hahn enrolled in Medicare?
Yes. Joseph Hahn is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Joseph Hahn's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Joseph Hahn reassigns Medicare benefits to 3 organizations: Casper Orthopaedic Associates PC (Casper, WY), Sports Medicine And Orthopaedic Institute (Victorville, CA) and Southern California Permanente Medical Group (Lancaster, CA). 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 Joseph Hahn's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Joseph Hahn affiliated with any hospitals?
According to CMS data, Joseph Hahn is affiliated with Southcoast Hospitals Group and Wyoming Medical Center.
When was this NPI record last updated?
The NPPES record for Joseph Hahn was last updated on September 23, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.