Individual provider Active NPI

John Sierra, M.D.

  • Neuroradiology Physician
  • Raleigh, NC
National Provider Identifier
1710927744
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Neuroradiology PhysicianTaxonomy code 2085N0700X
License
39217 Issued in NC
Practice address
3949 Browning PL
Raleigh, NC 27609-6504
Phone
(919) 787-8221
Fax
(919) 789-4461
NPI assigned
Jun 7, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Neuroradiology Physician 2085N0700X 39217 NC Primary

Addresses

Primary practice location

3949 Browning PL
Raleigh, NC 27609-6504

Mailing address

PO Box 19368
Raleigh, NC 27619-9368
Phone (919) 787-8221

Other identifiers 8

IdentifierTypeStateIssuer
63139OtherNCMEDCOST
8976144MedicaidNC
16-54679OtherNCUNITED HEALTHCARE
76144OtherNCBLUECROSS BLUESHIELD
63201OtherNCMEDCOST
63169OtherNCMEDCOST
16-54680OtherNCUNITED HEALTHCARE
16-54681OtherNCUNITED HEALTHCARE

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
University of North Carolina at Chapel Hill Past Accepting new patients

Organizations & group practices 1

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.

NPI Registry JSON

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

{
    "created_epoch": "1149638400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1710927744",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 19368",
            "city": "RALEIGH",
            "state": "NC",
            "postal_code": "276199368",
            "telephone_number": "919-787-8221",
            "fax_number": "919-789-4461"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3949 BROWNING PL",
            "city": "RALEIGH",
            "state": "NC",
            "postal_code": "276096504",
            "telephone_number": "919-787-8221",
            "fax_number": "919-789-4461"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SIERRA",
        "first_name": "JOHN",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-06-07",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085N0700X",
            "taxonomy_group": "",
            "desc": "Radiology, Neuroradiology",
            "state": "NC",
            "license": "39217",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDCOST",
            "identifier": "63139",
            "state": "NC"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "8976144",
            "state": "NC"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "UNITED HEALTHCARE",
            "identifier": "16-54679",
            "state": "NC"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BLUECROSS BLUESHIELD",
            "identifier": "76144",
            "state": "NC"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDCOST",
            "identifier": "63201",
            "state": "NC"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDCOST",
            "identifier": "63169",
            "state": "NC"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "UNITED HEALTHCARE",
            "identifier": "16-54680",
            "state": "NC"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "UNITED HEALTHCARE",
            "identifier": "16-54681",
            "state": "NC"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Raleigh, NC

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.