HEMATOLOGY/ONCOLOGY
NPI 1255420220
Internal Medicine - Hematology & Oncology in Hattiesburg, MS
About Hematology/oncology NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HEMATOLOGY/ONCOLOGY (NPI 1255420220) is a healthcare organization registered as a hematology & oncology in Hattiesburg, Mississippi and active in the NPI registry since October 2006. The organization lists Bryan N Batson, Executive Director, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 1
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Hematology/oncology is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
694Medicare enrollment records show 694 clinicians reassign Medicare billing to Hematology/Oncology, which bills Medicare for the services they deliver. Of these, 9 practice at this address and 506 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 49
Nearest to this location (20)
See all 694Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Hattiesburg Clinic PA's NPI number?
The NPI number for Hattiesburg Clinic PA is 1255420220. It was assigned to this organization in the NPPES registry on October 11, 2006. The provider is doing business as Hematology/Oncology.
Where is Hattiesburg Clinic PA located?
Hattiesburg Clinic PA is located at 301 S 28th Ave, Hattiesburg, MS 39401. The listed phone number is (601) 288-8282.
What is Hattiesburg Clinic PA's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is Hattiesburg Clinic PA enrolled in Medicare?
Yes. Hattiesburg Clinic PA is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Hattiesburg Clinic PA?
According to the CMS Revalidation Reassignment List (October 2026 release), 694 clinicians in 49 Medicare specialties reassign their Medicare billing to Hattiesburg Clinic PA. A 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 the clinician's services. The largest specialties are Nurse Practitioner (127), Certified Registered Nurse Anesthetist (CRNA) (95) and Family Practice (79). Of these, 9 practice at this address and 506 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Hattiesburg Clinic PA was last updated on October 7, 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.
# Hematology/oncology · NPI 1255420220
Hematology & Oncology organization in Hattiesburg, Mississippi. Organization record, active in the CMS NPPES registry since October 11, 2006.
## Identity
- **NPI:** 1255420220 (Entity type: Organization)
- **Enumerated:** October 11, 2006
- **Primary specialty:** Internal Medicine - Hematology & Oncology · taxonomy 207RH0003X
- **Legal business name:** Hattiesburg Clinic Pa
- **Organization subpart:** No
- **Authorized official:** Bryan Batson, EXECUTIVE DIRECTOR
## Practice location
- **Address:** 301 S 28TH AVE, Hattiesburg, MS 39401-7233
- **Phone:** (601) 288-8282 · **Fax:** (601) 288-8290
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 694 clinicians in 49 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (127), Certified Registered Nurse Anesthetist (CRNA) (95), Family Practice (79); 9 practice at this address and 506 within 10 miles; [full list](https://npiprofile.com/npi/1255420220/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 7, 2020
- **Other identifiers:** Medicaid 04903560 (MS)
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Source: [NPI Profile](https://npiprofile.com/npi/1255420220) · Data from the CMS NPPES public registry.