NPIMap

Individual provider Active NPI

Anna Elizabeth Loper, MD

  • Internal Medicine Physician
  • Collins, MS
National Provider Identifier
1831659416
Registry record updated Aug 11, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
31550 Issued in MS
Practice address
704 S 5TH St
Collins, MS 39428-4147
Phone
(601) 765-4414
NPI assigned
Mar 21, 2019
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 11, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 31550 MS Primary
Pediatrics Physician 208000000X 31550 MS

Addresses

Primary practice location

704 S 5TH St
Collins, MS 39428-4147

Mailing address

415 S 28TH Ave
Hattiesburg, MS 39401-7246
Phone (601) 264-6000

Other names 1

  • Anna Case Former name

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20230731001159 MS Practitioner - Internal MedicinePractitioner - Pediatric Medicine 8729319058 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal MedicineAlso: Pediatric Medicine
Education
University of Mississippi School of Medicine, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Hattiesburg Clinic PAGroup PAC ID 5193706794, 525 clinicians

Practice addresses (Care Compare)

415 S 28TH Ave
Hattiesburg, MS 39401-7246
Phone (601) 264-6000

Hospital & facility affiliations

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Hattiesburg Clinic PA CurrentSince Jul 17, 2023 Accepting new patients
Hattiesburg Clinic, PA CurrentSince Jul 17, 2023 Accepting new patients
Hattiesburg Clinic, PA Past Accepting new patients

Locations

704 S 5th St
Collins, MS 39428
Phone (601) 765-4414

415 S 28th Ave
Hattiesburg, MS 39401
Phone (601) 261-3606

Interoperability endpoints

  • Direct secure messaging: acase131115@directpatientrecord.com

Organizations & group practices 3

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.

Hospital & facility affiliations 6

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": "1553126400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786406400000",
    "number": "1831659416",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "415 S 28TH AVE",
            "city": "HATTIESBURG",
            "state": "MS",
            "postal_code": "394017246",
            "telephone_number": "601-264-6000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "704 S 5TH ST",
            "city": "COLLINS",
            "state": "MS",
            "postal_code": "394284147",
            "telephone_number": "601-765-4414"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LOPER",
        "first_name": "ANNA",
        "middle_name": "ELIZABETH",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-03-21",
        "last_updated": "2026-08-11",
        "certification_date": "2026-08-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MS",
            "license": "31550",
            "primary": true
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "MS",
            "license": "31550",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "ANNA",
            "last_name": "CASE",
            "credential": "MD",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Collins, MS

Sources for this page

Verify at the official NPI Registry.