JASON A WILLIAMS M.D.
NPI 1568424851
Surgery in Ocean Springs, MS
About Jason A Williams M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JASON A WILLIAMS M.D. (NPI 1568424851) is an individual surgery provider in Ocean Springs, Mississippi, licensed in Mississippi (24537) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS, is affiliated with Singing River Health System, and is a graduate of Harvard Medical School (2002).
NPPES Registry Identity
Specialties & Licenses 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 and accepts Medicare assignment
Jason A Williams 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 Jason Williams 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 8
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.
Singing 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 39564 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 2
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 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
OCEAN SPRINGS, MS 39564
OCEAN SPRINGS, MS 39564
OCEAN SPRINGS, MS 39564
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 Williams's NPI number?
The NPI number for Jason Williams is 1568424851. It was assigned to this individual provider in the NPPES registry on April 4, 2006.
Where is Jason Williams located?
Jason Williams practices at 3603 Bienville Blvd Ste 103, Ocean Springs, MS 39564. The listed phone number is (228) 762-3000.
What is Jason Williams's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is Jason Williams enrolled in Medicare?
Yes. Jason Williams 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 Jason Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jason Williams 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 Jason Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Jason Williams accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter of Alabama and Ambetter of Tennessee and 5 other insurers list Jason Williams 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 Williams affiliated with any hospitals?
According to CMS data, Jason Williams is affiliated with Singing River Health System and Singing River Gulfport.
When was this NPI record last updated?
The NPPES record for Jason Williams was last updated on June 25, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Jason A Williams, M.D. · NPI 1568424851
Surgery physician in Ocean Springs, Mississippi. Individual provider, active in the CMS NPPES registry since April 4, 2006.
## Identity
- **NPI:** 1568424851 (Entity type: Individual)
- **Enumerated:** April 4, 2006
- **Primary specialty:** Surgery · taxonomy 208600000X
- **State license:** 24537 (Mississippi)
- **Sole proprietor:** No
## Practice location
- **Address:** 3603 BIENVILLE BLVD STE 103, Ocean Springs, MS 39564
- **Phone:** (228) 762-3000 · **Fax:** (228) 818-4151
## 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:** Singing River Health System (NPI 1053528109, Ocean Springs, MS), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Harvard Medical School, class of 2002
## Record status
- **NPPES last updated:** June 25, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1568424851) · Data from the CMS NPPES public registry.