Individual provider Active NPI

Althea H Massenburg, MD

  • Internal Medicine Physician
  • Durham, NC
National Provider Identifier
1710924311
Registry record updated Aug 27, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
9900545 Issued in NC
Practice address
4020 N Roxboro St Ste 100
Durham, NC 27704-2120
Phone
(919) 220-3333
Fax
(919) 220-6317
NPI assigned
Jun 1, 2006
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 27, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine Physician 207Q00000X 9900545 NC
Internal Medicine Physician 207R00000X 9900545 NC Primary

Addresses

Primary practice location

4020 N Roxboro St Ste 100
Durham, NC 27704-2120

Mailing address

PO Box 96860
Charlotte, NC 28296-6860
Phone (919) 220-3333

Other identifiers 1

IdentifierTypeStateIssuer
129Y5OtherNCBCBS

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NC
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 1

Enrollment IDStateProvider typePAC IDDetails
I20041230000748 NC Practitioner - Internal Medicine 5698733046 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
University of Michigan Medical School, 1996
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Raleigh Durham Medical Group PAGroup PAC ID 2365409588, 80 clinicians

Practice addresses (Care Compare)

4020 N Roxboro St
Suite 100
Durham, NC 27704-2120
Phone (919) 220-3333

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
099-00545NCMDFamily Medicine Physician
0099-00545NCMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Raleigh Durham Medical Group PA Family Medicine CurrentSince Jan 1, 2005 Accepting new patients
Raleigh Durham Medical Group PA Family Medicine CurrentSince Jan 1, 2005 Accepting new patients
Raleigh Durham Medical Group PA Family Medicine PastSince Jul 25, 2021 Accepting new patients

Locations

97 Cornerstone Dr
Cary, NC 27519
Phone (919) 460-0993

4020 N Roxboro St
Ste 100
Durham, NC 27704
Phone (919) 220-3333

4003 N Roxboro St
Durham, NC 27704
Phone (919) 220-3333

7124 US Highway 64 E
Knightdale, NC 27545
Phone (919) 266-6211

5420 Wade Park Blvd
Ste 106
Raleigh, NC 27607

Interoperability endpoints

  • Direct secure messaging: althea.massenburg@1257.direct.myezyaccess.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 and National Provider Directory roles.

Hospital & facility affiliations 9

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": "1149120000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787788800000",
    "number": "1710924311",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 96860",
            "city": "CHARLOTTE",
            "state": "NC",
            "postal_code": "282966860",
            "telephone_number": "919-220-3333"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4020 N ROXBORO ST STE 100",
            "city": "DURHAM",
            "state": "NC",
            "postal_code": "277042120",
            "telephone_number": "919-220-3333",
            "fax_number": "919-220-6317"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MASSENBURG",
        "first_name": "ALTHEA",
        "middle_name": "H",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-06-01",
        "last_updated": "2026-08-27",
        "certification_date": "2026-08-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "NC",
            "license": "9900545",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NC",
            "license": "9900545",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS",
            "identifier": "129Y5",
            "state": "NC"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Durham, NC

Sources for this page

Verify at the official NPI Registry.