Individual provider Active NPI

Billy Wayne Jefferson Jr., DO

  • Emergency Medicine Physician
  • Hattiesburg, MS
National Provider Identifier
1407423809
Registry record updated Jul 29, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
32525 Issued in MS
Practice address
6051 U S Highway 49
Hattiesburg, MS 39401-7200
Phone
(601) 441-2975
NPI assigned
Jun 5, 2021
Last updated
Jul 29, 2025By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jul 29, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X 337599 LA
Emergency Medicine Physician 207P00000X 32525 MS Primary

Addresses

Primary practice location

6051 U S Highway 49
Hattiesburg, MS 39401-7200

Mailing address

53 Sweet Maple TRL
Petal, MS 39465-5003
Phone (601) 441-2975

Other practice location 1

1501 Kings Hwy
Shreveport, LA 71103-4228
Phone (318) 626-1036

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in LA, MS2 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20231018003992 LA Practitioner - Emergency Medicine 6002261583 Reassigns benefits to 9 organizations
I20240306001433 MS Practitioner - Emergency Medicine 6002261583 Reassigns benefits to 13 organizations

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
William Carey University College of Osteopathic Medicine, 2021
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Webster Emergency Group LLCGroup PAC ID 2961448170, 16 clinicians
Kisatchie Emergency Group LLCGroup PAC ID 9537400270, 19 clinicians
Cotton Emergency Group LLCGroup PAC ID 5698017655, 6 clinicians
Highland Emergency Group, LLCGroup PAC ID 6800295890, 42 clinicians
Cross Lake Emergency Group, LLCGroup PAC ID 5395096440, 60 clinicians
Relias Emergency Medicine Specialists of Hattiesburg LLCGroup PAC ID 9032549142, 46 clinicians

Practice addresses (Care Compare)

1 Medical Plaza PL
Minden, LA 71055-3330
Phone (318) 377-2321

1020 W Fertita Blvd
Leesville, LA 71446-4645
Phone (337) 239-5278

1175 Pine St
Suite 200
Arcadia, LA 71001-3122
Phone (318) 263-4700

215 Marion Ave
McComb, MS 39648-2705
Phone (601) 249-1382

2531 Viking Dr
Bossier City, LA 71111-2103
Phone (318) 681-7000

2600 Greenwood Rd
Shreveport, LA 71103-3908
Phone (318) 212-4000

6051 U S Hwy 49
Hattiesburg, MS 39401-7200
Phone (601) 288-7000

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
87.16 of 100Reported as group
Quality
74.02
Improvement activities
40
Cost
78.41

Merit-based Incentive Payment System (MIPS)

Final score
83.62 of 100Reported as group
Quality
70.88
Improvement activities
40
Cost
75.82

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Osteopathy

State licenses

LicenseStateTypeSpecialty
32525MSMDEmergency Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Cross Lake Emergency Group, LLC Emergency Medicine CurrentSince Jan 1, 2026 Accepting new patients
RH Emergency Medicine of Highland Community LLC Emergency Medicine CurrentSince Feb 1, 2024 Accepting new patients
RH Hospitalist Medicine of Walthall General LLC CurrentSince May 1, 2021 Accepting new patients
Dominion Health Services, LLC CurrentSince Aug 3, 2025 Accepting new patients
Concord Medical Group PLLC Emergency Medicine CurrentSince Nov 1, 2023 Accepting new patients
Saline Emergency Group, LLC Emergency Medicine CurrentSince Dec 9, 2023 Accepting new patients
Southwest Mississippi Regional Medical Center CurrentSince Jun 1, 2025 Accepting new patients
Highland Emergency Group, LLC Emergency Medicine CurrentSince Feb 19, 2024 Accepting new patients
RH Hospitalist Medicine of Jefferson Davis LLC CurrentSince May 1, 2024 Accepting new patients
Jena Ess LLC Emergency Medicine CurrentSince Oct 1, 2023 Accepting new patients
Cotton Emergency Group, LLC Emergency Medicine CurrentSince Jan 1, 2026 Accepting new patients
Kisatchie Emergency Group, LLC Emergency Medicine CurrentSince Dec 9, 2023 Accepting new patients
Webster Emergency Group LLC Emergency Medicine CurrentSince Nov 19, 2024 Accepting new patients
RH Emergency Medicine of Pearl River LLC Emergency Medicine CurrentSince Jan 27, 2024 Accepting new patients
Relias Clinical Decision Specialists of Hattiesburg, LLC Emergency Medicine CurrentSince Jun 28, 2024 Accepting new patients
RH Emergency Medicine of Walthall General LLC Emergency Medicine CurrentSince May 1, 2024 Accepting new patients
RH Emergency Medicine of Jefferson Davis LLC Emergency Medicine CurrentSince May 1, 2024 Accepting new patients
Relias Emergency Medicine Specialists of Hattiesburg LLC Emergency Medicine CurrentSince Apr 10, 2024 Accepting new patients
RH Emergency Medicine of Perry County LLC Emergency Medicine CurrentSince Feb 1, 2024 Accepting new patients
Oakdale Ess LLC Emergency Medicine CurrentSince Oct 1, 2023 Accepting new patients
Concord Medical Group of Texas PLLC Emergency Medicine CurrentSince Nov 1, 2023 Accepting new patients
RH Hospitalist Medicine of Marion General LLC CurrentSince Jan 27, 2024 Accepting new patients
RH Emergency Medicine of Marion General LLC Emergency Medicine CurrentSince Jan 27, 2024 Accepting new patients
RH Hospitalist Medicine of Highland Community LLC CurrentSince Feb 1, 2024 Accepting new patients
Southwest Mississippi Regional Medical Center CurrentSince Jun 1, 2025 Accepting new patients
Southwest Mississippi Regional Medical Center Current Accepting new patients

Locations

1175 Pine St
Ste 200
Arcadia, LA 71001
Phone (318) 263-4700

2531 Viking Dr
Bossier City, LA 71111
Phone (318) 681-7000

600 S Pine St
Deridder, LA 70634
Phone (337) 462-7100

187 Ninth St
Jena, LA 71342
Phone (318) 992-9200

1020 W Fertitta Blvd
Leesville, LA 71446
Phone (337) 239-5278

207 Jefferson St
Mansfield, LA 71052
Phone (318) 871-3109

1 Medical Plaza Pl
Minden, LA 71055
Phone (318) 371-4042

2600 Greenwood Rd
Shreveport, LA 71103
Phone (318) 212-4600

8001 Youree Dr
Shreveport, LA 71115
Phone (318) 212-3000

2001 Doctors Dr
Springhill, LA 71075
Phone (318) 539-1000

301 W Boundary Ave
Winnfield, LA 71483
Phone (318) 628-2721

1560 Sumrall Rd
Columbia, MS 39429
Phone (601) 736-6303

6051 U S Highway 49
Hattiesburg, MS 39401
Phone (601) 288-2690

215 Marion Ave
McComb, MS 39648
Phone (601) 249-1180

130 Highland Pkwy
Picayune, MS 39466
Phone (601) 358-9400

305 W Moody St
Poplarville, MS 39470
Phone (601) 795-4345

1102 Rose St
Prentiss, MS 39474
Phone (601) 792-2947

206 Bay Ave
Richton, MS 39476
Phone (601) 788-6316

100 Hospital Dr
Tylertown, MS 39667
Phone (601) 876-0455

1602 Avenue Q
Lubbock, TX 79401
Phone (650) 766-0887

Interoperability endpoints

  • Direct secure messaging: bjefferson5371073@direct.casso.us.com

Organizations & group practices 26

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

View all 26

Hospital & facility affiliations 8

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1622851200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1753747200000",
    "number": "1407423809",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "53 SWEET MAPLE TRL",
            "city": "PETAL",
            "state": "MS",
            "postal_code": "394655003",
            "telephone_number": "601-441-2975"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6051 U S HIGHWAY 49",
            "city": "HATTIESBURG",
            "state": "MS",
            "postal_code": "394017200",
            "telephone_number": "601-441-2975"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1501 Kings Hwy",
            "address_purpose": "LOCATION",
            "city": "Shreveport",
            "state": "LA",
            "postal_code": "711034228",
            "country_code": "US",
            "telephone_number": "318-626-1036",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "JEFFERSON",
        "first_name": "BILLY",
        "middle_name": "WAYNE",
        "name_prefix": "Dr.",
        "name_suffix": "Jr.",
        "credential": "DO",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2021-06-05",
        "last_updated": "2025-07-29",
        "certification_date": "2025-07-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "LA",
            "license": "337599",
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "MS",
            "license": "32525",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Hattiesburg, MS

Sources for this page

Verify at the official NPI Registry.