Individual provider Active NPI

John W Gnann Jr., MD

  • Infectious Disease Physician
  • Charleston, SC
National Provider Identifier
1467498659
Registry record updated Oct 22, 2020
On this page

Key facts

NPPES NPI Registry
Primary specialty
Infectious Disease PhysicianTaxonomy code 207RI0200X
License
AL35447 Issued in SC
Practice address
171 Ashley Ave
Charleston, SC 29425-8908
Phone
(843) 792-1414
NPI assigned
Jun 22, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 22, 2020

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Infectious Disease Physician 207RI0200X 08890 AL
Infectious Disease Physician 207RI0200X AL35447 SC Primary

Addresses

Primary practice location

171 Ashley Ave
Charleston, SC 29425-8908

Mailing address

PO Box 751461
Charlotte, NC 28275-1461
Phone (843) 792-6200

Other identifiers 6

IdentifierTypeStateIssuer
C73388OtherALVIVA
051510652OtherALBLUE CROSS
110028646OtherALRAILROAD MEDICARE
9928OtherALHEALTHSPRING OF ALABAMA
000080315OtherALBLUE CROSS
000080315MedicaidAL

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address jgnann24051@direct.musc.edu Direct

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in SC
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
I20130327000529 SC Practitioner - Internal MedicinePractitioner - Infectious Disease 0143415786 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal MedicineAlso: Infectious Disease
Education
Duke University School of Medicine, 1978
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices

Practice addresses (Care Compare)

171 Ashley Ave
Charleston, SC 29425-8908
Phone (843) 792-1414

Merit-based Incentive Payment System (MIPS)

Final score
79.02 of 100Reported as group
Quality
62.41
Promoting interoperability
99
Improvement activities
40

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled
HHS exclusion list flag
CMS’s directory marks this NPI as on an HHS exclusion list; no matching OIG record was found. The OIG exclusions file (LEIE) holds no record for this NPI, and the directory does not say which list the flag comes from. How exclusions are shown Confirm with the OIG exclusions search.
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
35447SCMDPharmacist
08890ALMDInfectious Disease Physician
AL35447SCMDInfectious Disease Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Waccamaw Community Hospital CurrentSince Aug 31, 2019 Accepting new patients
Georgetown Memorial Hospital CurrentSince Aug 31, 2019 Accepting new patients
University Medical Associates of the Medical University of South Carol Infectious Disease Current Accepting new patients
University Medical Associates of the Medical University of South Carol CurrentSince Feb 22, 2013 Accepting new patients
Georgetown Memorial Hospital CurrentSince Aug 31, 2019 Accepting new patients

Locations

171 Ashley Ave
Charleston, SC 29425
Phone (843) 792-2123

606 Black River Rd
Georgetown, SC 29440
Phone (843) 527-7000

4070 Highway 17
Murrells Inlt, SC 29576
Phone (843) 357-5100

Organizations & group practices 5

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.

NPI Registry JSON

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

{
    "created_epoch": "1150934400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1603324800000",
    "number": "1467498659",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 751461",
            "city": "CHARLOTTE",
            "state": "NC",
            "postal_code": "282751461",
            "telephone_number": "843-792-6200"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "171 ASHLEY AVE",
            "city": "CHARLESTON",
            "state": "SC",
            "postal_code": "294258908",
            "telephone_number": "843-792-1414"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GNANN",
        "first_name": "JOHN",
        "middle_name": "W",
        "name_suffix": "Jr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-06-22",
        "last_updated": "2020-10-22",
        "certification_date": "2020-10-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RI0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Infectious Disease",
            "state": "AL",
            "license": "08890",
            "primary": false
        },
        {
            "code": "207RI0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Infectious Disease",
            "state": "SC",
            "license": "AL35447",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "VIVA",
            "identifier": "C73388",
            "state": "AL"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BLUE CROSS",
            "identifier": "051510652",
            "state": "AL"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RAILROAD MEDICARE",
            "identifier": "110028646",
            "state": "AL"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "HEALTHSPRING OF ALABAMA",
            "identifier": "9928",
            "state": "AL"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BLUE CROSS",
            "identifier": "000080315",
            "state": "AL"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "000080315",
            "state": "AL"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "jgnann24051@direct.musc.edu",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "171 Ashley Ave",
            "city": "Charleston",
            "state": "SC",
            "country_code": "US",
            "postal_code": "294258908",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Charleston, SC

Sources for this page

Verify at the official NPI Registry.