NPIMap

Individual provider Active NPI

Claud McNeill Grigg Jr., MD

  • Internal Medicine Physician
  • Charlotte, NC
National Provider Identifier
1962794842
Registry record updated Sep 25, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
2017-01462 Issued in NC
Practice address
15830 Ballantyne Medical PL
Ste 200
Charlotte, NC 28277-4653
Phone
(980) 442-9600
NPI assigned
May 10, 2011
Last updated
Sep 25, 2025By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 25, 2025

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

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Hematology (Internal Medicine) Physician 207RH0000X 2017-01462 NC
Hematology & Oncology Physician 207RH0003X 2017-01462 NC
Medical Oncology Physician 207RX0202X 2017-01462 NC
Internal Medicine Physician 207R00000X 2017-01462 NC Primary

Addresses

Primary practice location

15830 Ballantyne Medical PL
Ste 200
Charlotte, NC 28277-4653

Mailing address

PO Box 19305
Charlotte, NC 28219-9305

Other practice location 1

945 N 5th St
Albemarle, NC 28001-3417
Phone (980) 323-7790

Other practice location 2

100 Medical Park Dr
Ste 110
Concord, NC 28025-2948
Phone (704) 403-1370

Other practice location 3

2301 US Highway 74 W
Wadesboro, NC 28170-7554
Phone (704) 994-4500

Other practice location 4

1000 Blythe Blvd
Charlotte, NC 28203-5812
Phone (704) 355-2000

Electronic endpoints 2

TypeEndpointUseAffiliation
CONNECT URL https://esmd.abilitynetwork.com:8291/Gateway/DocumentSubmission/2_0/NhinService/XDRRequest_Service Other ABILITY Network
Direct Messaging Address cgrigg422173@CarolinasHealthcareSystem.direct-ci.com Atrium Health

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NC
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
I20170901002776 NC Practitioner - Hematology/OncologyPractitioner - Internal Medicine 4688968753 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Hematology/OncologyAlso: Internal Medicine
Education
University of North Carolina at Chapel Hill School of Medicine, 2011
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices

Practice addresses (Care Compare)

15830 Ballantyne Medical PL
Suite 200
Charlotte, NC 28277-4653
Phone (704) 446-4000

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

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

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
2017-01462NCMDHematology (Internal Medicine) Physician

Practice roles

OrganizationSpecialtyStatusNew patients
The Charlotte-Mecklenburg Hospital Authority Internal Medicine Current Accepting new patients
The Charlotte-Mecklenburg Hospital Authority CurrentSince Aug 14, 2017 Accepting new patients
The Charlotte-Mecklenburg Hospital Authority Internal Medicine CurrentSince Aug 14, 2017 Accepting new patients
The Charlotte-Mecklenburg Hospital Authority Internal Medicine Past Accepting new patients

Locations

100 N 6th St
Ste 900A
Minneapolis, MN 55403

945 N 5th St
Albemarle, NC 28001
Phone (980) 323-7790

1000 Blythe Blvd
Charlotte, NC 28203
Phone (704) 351-3791

1021 Morehead Medical Dr
Ste A
Charlotte, NC 28204
Phone (704) 355-2884

15830 Ballantyne Medical Pl
Ste 200
Charlotte, NC 28277
Phone (980) 442-9600

100 Medical Park Dr
Ste 110
Concord, NC 28025
Phone (704) 403-1370

2301 US Highway 74 W
Wadesboro, NC 28170
Phone (704) 694-5131

Interoperability endpoints

  • Direct secure messaging: cgrigg422173@carolinashealthcaresystem.direct-ci.com

Organizations & group practices 4

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 10

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": "1304985600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1758758400000",
    "number": "1962794842",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 19305",
            "city": "CHARLOTTE",
            "state": "NC",
            "postal_code": "282199305"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "15830 BALLANTYNE MEDICAL PL",
            "address_2": "STE 200",
            "city": "CHARLOTTE",
            "state": "NC",
            "postal_code": "282774653",
            "telephone_number": "980-442-9600"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "945 N 5th St",
            "address_purpose": "LOCATION",
            "city": "Albemarle",
            "state": "NC",
            "postal_code": "280013417",
            "country_code": "US",
            "telephone_number": "980-323-7790",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "100 Medical Park Dr",
            "address_2": "Ste 110",
            "address_purpose": "LOCATION",
            "city": "Concord",
            "state": "NC",
            "postal_code": "280252948",
            "country_code": "US",
            "telephone_number": "704-403-1370",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2301 US Highway 74 W",
            "address_purpose": "LOCATION",
            "city": "Wadesboro",
            "state": "NC",
            "postal_code": "281707554",
            "country_code": "US",
            "telephone_number": "704-994-4500",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1000 Blythe Blvd",
            "address_purpose": "LOCATION",
            "city": "Charlotte",
            "state": "NC",
            "postal_code": "282035812",
            "country_code": "US",
            "telephone_number": "704-355-2000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GRIGG",
        "first_name": "CLAUD",
        "middle_name": "MCNEILL",
        "name_suffix": "Jr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2011-05-10",
        "last_updated": "2025-09-25",
        "certification_date": "2022-04-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RH0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology",
            "state": "NC",
            "license": "2017-01462",
            "primary": false
        },
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "NC",
            "license": "2017-01462",
            "primary": false
        },
        {
            "code": "207RX0202X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Medical Oncology",
            "state": "NC",
            "license": "2017-01462",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NC",
            "license": "2017-01462",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "CONNECT",
            "endpointTypeDescription": "CONNECT URL",
            "endpoint": "https://esmd.abilitynetwork.com:8291/Gateway/DocumentSubmission/2_0/NhinService/XDRRequest_Service",
            "affiliation": "Y",
            "endpointDescription": "2.16.840.1.113883.3.667.2",
            "affiliationName": "ABILITY Network",
            "use": "OTHER",
            "useDescription": "Other",
            "useOtherDescription": "CMS esMD eMDR",
            "address_1": "100 N 6th St Ste 900A",
            "city": "Minneapolis",
            "state": "MN",
            "country_code": "US",
            "postal_code": "554031516",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "cgrigg422173@CarolinasHealthcareSystem.direct-ci.com",
            "affiliation": "Y",
            "affiliationName": "Atrium Health",
            "address_1": "15830 Ballantyne Medical Pl",
            "address_2": "Ste 200",
            "city": "Charlotte",
            "state": "NC",
            "country_code": "US",
            "postal_code": "282774653",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Charlotte, NC

Sources for this page

Verify at the official NPI Registry.