DR. JASON FONTAN M.D.
NPI 1124170451
Internal Medicine in Pascagoula, MS
About Dr. Jason Fontan M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JASON FONTAN M.D. (NPI 1124170451) is an individual internal medicine provider in Pascagoula, Mississippi, licensed in Mississippi (MS17948) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS, is affiliated with Memorial Hospital At Gulfport, and is a graduate of Louisiana State University School Of Medicine In New Orleans (2003).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 5
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. Jason Fontan 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 Reassignments
2Medicare enrollment records show Jason Fontan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Pascagoula, MS 39581
- Reassigned Medicare billing, Mississippi enrollment
- 450 clinicians in this Medicare group
Gulfport, MS 39503
- Reassigned Medicare billing, Mississippi enrollment
- 298 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 4
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 39581 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 6
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
PASCAGOULA, MS 39581
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 Jason Fontan's NPI number?
The NPI number for Jason Fontan is 1124170451. It was assigned to this individual provider in the NPPES registry on January 17, 2007.
Where is Jason Fontan located?
Jason Fontan practices at 2809 Denny Ave, Pascagoula, MS 39581. The listed phone number is (228) 809-5510.
What is Jason Fontan's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Jason Fontan enrolled in Medicare?
Yes. Jason Fontan 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 Jason Fontan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jason Fontan reassigns Medicare benefits to 2 organizations: Singing River Health System (Pascagoula, MS) and Singing River Gulfport (Gulfport, MS). 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 Jason Fontan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Jason Fontan accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter of Alabama and Ambetter of Tennessee and 3 other insurers list Jason Fontan 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 Jason Fontan affiliated with any hospitals?
According to CMS data, Jason Fontan 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 Jason Fontan was last updated on March 4, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Dr. Jason Fontan, M.D. · NPI 1124170451
Internal Medicine physician in Pascagoula, Mississippi. Individual provider, active in the CMS NPPES registry since January 17, 2007.
## Identity
- **NPI:** 1124170451 (Entity type: Individual)
- **Enumerated:** January 17, 2007
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** MS17948 (Mississippi)
- **Sole proprietor:** No
## Practice location
- **Address:** 2809 DENNY AVE, Pascagoula, MS 39581-5301
- **Phone:** (228) 809-5510 · **Fax:** (228) 809-5519
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Singing River Health System (NPI 1033238456, Pascagoula, MS); Singing River Gulfport (NPI 1861010159, Gulfport, MS) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Louisiana State University School Of Medicine In New Orleans, class of 2003
## Record status
- **NPPES last updated:** March 4, 2014
- **Other identifiers:** Other 646000515E; Other P00054446; Medicare ID-Type Unspecified JF110001674; and 2 more
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Source: [NPI Profile](https://npiprofile.com/npi/1124170451) · Data from the CMS NPPES public registry.