DR. MATTHEW CHRISTOPHER HANN M.D.
NPI 1275749541
Internal Medicine - Cardiovascular Disease in Keesler Afb, MS
About Dr. Matthew Christopher Hann M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MATTHEW CHRISTOPHER HANN M.D. (NPI 1275749541) is an individual cardiovascular disease provider in Keesler Afb, Mississippi, licensed in Mississippi (21231) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS, is affiliated with Memorial Hospital At Gulfport, and is a graduate of Georgetown University School Of Medicine (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
Dr. Matthew Christopher Hann 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 Reassignment
Medicare enrollment records show Matthew Hann reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Ocean Springs, MS 39564
- Reassigned Medicare billing, Mississippi enrollment
- 450 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 29
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.
Memorial Hospital At Gulfport
Acute Care Hospitals · Gulfport, MSSinging River Health System
Acute Care Hospitals · Pascagoula, MSSinging River Gulfport
Acute Care Hospitals · Gulfport, MSPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 39534 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.
KEESLER AFB, MS 39534
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 Matthew Hann's NPI number?
The NPI number for Matthew Hann is 1275749541. It was assigned to this individual provider in the NPPES registry on May 15, 2007.
Where is Matthew Hann located?
Matthew Hann practices at 301 Fisher St, Keesler Afb, MS 39534. The listed phone number is (228) 342-6178.
What is Matthew Hann's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is Matthew Hann enrolled in Medicare?
Yes. Matthew Hann 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 organization bills Medicare for Matthew Hann's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Matthew Hann reassigns Medicare benefits to Singing River Health System (Ocean Springs, MS). The 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 Matthew Hann's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Matthew Hann accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter of Alabama and Ambetter of Tennessee and 4 other insurers list Matthew Hann 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 Matthew Hann affiliated with any hospitals?
According to CMS data, Matthew Hann is affiliated with Memorial Hospital At Gulfport, Singing River Health System and Singing River Gulfport.
When was this NPI record last updated?
The NPPES record for Matthew Hann was last updated on August 7, 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.