FREDERICK ROBERT MARTIN MD
NPI 1912948803
Emergency Medicine in Hattiesburg, MS
About Frederick Robert Martin Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
FREDERICK ROBERT MARTIN MD (NPI 1912948803) is an individual emergency medicine provider in Hattiesburg, Mississippi, licensed in Mississippi (13861) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Hca Florida Poinciana Hospital, and is a graduate of Other (1987).
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
Frederick Robert Martin 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
17Medicare enrollment records show Frederick Martin reassigns Medicare billing to 17 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Hattiesburg, MS 39401
- Reassigned Medicare billing, Mississippi enrollment
- 110 clinicians in this Medicare group
Columbia, MS 39429
- Reassigned Medicare billing, Mississippi enrollment
- 81 clinicians in this Medicare group
Picayune, MS 39466
- Reassigned Medicare billing, Mississippi enrollment
- 78 clinicians in this Medicare group
Hazlehurst, MS 39083
- Reassigned Medicare billing, Mississippi enrollment
- 159 clinicians in this Medicare group
Covington, LA 70433
- Reassigned Medicare billing, Mississippi enrollment
- 116 clinicians in this Medicare group
Jackson, MS 39204
- Reassigned Medicare billing, Mississippi enrollment
- 187 clinicians in this Medicare group
Natchez, MS 39120
- Reassigned Medicare billing, Mississippi enrollment
- 68 clinicians in this Medicare group
Ferriday, LA 71334
- Reassigned Medicare billing, Louisiana enrollment
- 37 clinicians in this Medicare group
Alexandria, LA 71301
- Reassigned Medicare billing, Louisiana enrollment
- 178 clinicians in this Medicare group
Cleveland, MS 38732
- Reassigned Medicare billing, Mississippi enrollment
- 24 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 5
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.
Hca Florida Poinciana Hospital
Acute Care Hospitals · Kissimmee, FLMerit Health Natchez
Acute Care Hospitals · Natchez, MSBolivar Medical Center
Acute Care Hospitals · Cleveland, MSPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 39401 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 17
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 Frederick Martin's NPI number?
The NPI number for Frederick Martin is 1912948803. It was assigned to this individual provider in the NPPES registry on June 9, 2006.
Where is Frederick Martin located?
Frederick Martin practices at 6051 Highway 49, Hattiesburg, MS 39401. The listed phone number is (601) 288-7000.
What is Frederick Martin's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Frederick Martin enrolled in Medicare?
Yes. Frederick Martin 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 Frederick Martin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Frederick Martin reassigns Medicare benefits to 17 organizations: Relias Emergency Medicine Specialists Of Hattiesburg LLC (Hattiesburg, MS), Rh Emergency Medicine Of Marion General LLC (Columbia, MS), Rh Emergency Medicine Of Highland Community LLC (Picayune, MS), Keystone Medical Services Of Ms, Inc (Hazlehurst, MS), Correct Care, Inc. (Covington, LA) and 12 more organizations, listed in the Medicare section above. 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 Frederick Martin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Frederick Martin 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 Frederick Martin 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 Frederick Martin affiliated with any hospitals?
According to CMS data, Frederick Martin is affiliated with Hca Florida Poinciana Hospital, Merit Health Natchez and Bolivar Medical Center.
When was this NPI record last updated?
The NPPES record for Frederick Martin was last updated on October 5, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Frederick Robert Martin, MD · NPI 1912948803
Emergency Medicine physician in Hattiesburg, Mississippi. Individual provider, active in the CMS NPPES registry since June 9, 2006.
## Identity
- **NPI:** 1912948803 (Entity type: Individual)
- **Enumerated:** June 9, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 13861 (Mississippi)
- **Sole proprietor:** No
## Practice location
- **Address:** 6051 HIGHWAY 49, Hattiesburg, MS 39401-7200
- **Phone:** (601) 288-7000
## 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:** 17 organizations under Medicare reassignment (form CMS-855R): Relias Emergency Medicine Specialists Of Hattiesburg LLC (NPI 1609409440, Hattiesburg, MS); Rh Emergency Medicine Of Marion General LLC (NPI 1841064110, Columbia, MS); Rh Emergency Medicine Of Highland Community LLC (NPI 1033987946, Picayune, MS); Keystone Medical Services Of Ms, Inc (NPI 1174691059, Hazlehurst, MS); Correct Care, Inc. (NPI 1215987441, Covington, LA); and 12 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1987
## Record status
- **NPPES last updated:** October 5, 2007
- **Other identifiers:** Medicare UPIN F44256; Medicaid 00120808 (MS)
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Source: [NPI Profile](https://npiprofile.com/npi/1912948803) · Data from the CMS NPPES public registry.