JOHN D SOBIESK MD
NPI 1508975178
Otolaryngology in Hattiesburg, MS
About John D Sobiesk Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN D SOBIESK MD (NPI 1508975178) is an individual otolaryngology provider in Hattiesburg, Mississippi, licensed in Mississippi (14826) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with George Regional Health System, and is a graduate of Louisiana State University School Of Medicine In New Orleans (1990).
NPPES Registry Identity
Specialties & Licenses
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 and accepts Medicare assignment
John D Sobiesk Md 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 John Sobiesk reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Hattiesburg, MS 39402
- Reassigned Medicare billing, Mississippi enrollment
- 696 clinicians in this Medicare group
Hattiesburg, MS 39401
- Reassigned Medicare billing, Mississippi enrollment
- 63 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 13
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
George Regional Health System
Acute Care Hospitals · Lucedale, MSForrest General Hospital
Acute Care Hospitals · Hattiesburg, MSMerit Health Wesley
Acute Care Hospitals · Hattiesburg, MSHighland Community Hospital
Acute Care Hospitals · Picayune, MSPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 39402 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 11
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 John Sobiesk's NPI number?
The NPI number for John Sobiesk is 1508975178. It was assigned to this individual provider in the NPPES registry on August 29, 2006.
Where is John Sobiesk located?
John Sobiesk practices at 1605 S 28th Ave, Hattiesburg, MS 39402. The listed phone number is (601) 579-3310.
What is John Sobiesk's specialty?
The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.
Is John Sobiesk enrolled in Medicare?
Yes. John Sobiesk 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 John Sobiesk's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Sobiesk reassigns Medicare benefits to 2 organizations: Hattiesburg Clinic PA (Hattiesburg, MS) and Fgh Physician Billing (Hattiesburg, 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 John Sobiesk's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Sobiesk accept?
Health plans from Cigna Healthcare, Molina Healthcare and UnitedHealthcare list John Sobiesk 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 John Sobiesk affiliated with any hospitals?
According to CMS data, John Sobiesk is affiliated with George Regional Health System, Forrest General Hospital, Merit Health Wesley and Highland Community Hospital.
When was this NPI record last updated?
The NPPES record for John Sobiesk was last updated on August 4, 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.
# John D Sobiesk, MD · NPI 1508975178
Otolaryngology physician in Hattiesburg, Mississippi. Individual provider, active in the CMS NPPES registry since August 29, 2006.
## Identity
- **NPI:** 1508975178 (Entity type: Individual)
- **Enumerated:** August 29, 2006
- **Primary specialty:** Otolaryngology · taxonomy 207Y00000X
- **State license:** 14826 (Mississippi)
- **Sole proprietor:** No
## Practice location
- **Address:** 1605 S 28TH AVE, Hattiesburg, MS 39402-3110
- **Phone:** (601) 579-3310 · **Fax:** (601) 264-0231
## 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): Hattiesburg Clinic PA (NPI 1003905076, Hattiesburg, MS); Fgh Physician Billing (NPI 1053469700, Hattiesburg, MS) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Louisiana State University School Of Medicine In New Orleans, class of 1990
## Record status
- **NPPES last updated:** August 4, 2020
- **Other identifiers:** Other 640507572AT (MS); Medicaid 00116692 (MS)
---
Source: [NPI Profile](https://npiprofile.com/npi/1508975178) · Data from the CMS NPPES public registry.