Catherine Brittain Callahan, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

200101316 Issued in NC

Practice address

10635 Park Rd Ste I
Charlotte, NC 28210-8408

Phone

(704) 495-6334

NPI assigned

Jul 27, 2006

Last updated

May 6, 2026By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other identifiers 4

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

Specialty

Internal Medicine

Education

Medical College of Georgia School of Medicine, 2006

Medicare assignment

May accept Medicare assignment

Telehealth

Offers telehealth services

Group practices

Tryon Medical Partners, PLLCGroup PAC ID 7113277971, 139 clinicians

Comprehab, IncGroup PAC ID 2769653757, 376 clinicians

The Weston Group IncGroup PAC ID 8123936796, shared by 8 NPIs, 215 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Carolinas Medical Center/Behav Health Hospital, Charlotte, NC, CCN 340113
• Piedmont Medical Center Hospital, Rock Hill, SC, CCN 420002

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: catherine.callahan.1@17847.direct.athenahealth.com

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.

• Tryon Medical Partners, PLLC

  • Internal Medicine Physician
  • Charlotte, NC
  • NPI 1992204549
  Medicare reassignment Care Compare group NPD
• Comprehab LLC

  dba Compleat KiDZ Pediatric Therapy

  • Physical Therapist
  • Gastonia, NC
  • NPI 1407932775
  Care Compare group

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Carolinas Medical Center

  dba Atrium Health Behavioral Health

  • Psychiatric Hospital Unit
  • Charlotte, NC
  • NPI 1053358945
  Care Compare affiliation
• Carolinas Medical Center

  • General Acute Care Hospital
  • Charlotte, NC
  • NPI 1295789907
  Care Compare affiliation
• Carolinas Medical Center

  dba Atrium Health Mercy

  • General Acute Care Hospital
  • Charlotte, NC
  • NPI 1376985135
  Care Compare affiliation
• Carolinas Medical Center

  dba Levine Children's Hospital Pediatrics

  • Children's Rehabilitation Hospital
  • Charlotte, NC
  • NPI 1699829887
  Care Compare affiliation
• Carolinas Medical Center

  • End-Stage Renal Disease (ESRD) Treatment Clinic/Center
  • Charlotte, NC
  • NPI 1720029705

  Hospital

  Care Compare affiliation
• Carolinas Medical Center

  dba Atrium Health Laboratory

  • Clinical Medical Laboratory
  • Charlotte, NC
  • NPI 1811005150

  Hospital

  Care Compare affiliation
• Amisub of South Carolina, Inc.

  dba Piedmont Medical Center

  • General Acute Care Hospital
  • Rock Hill, SC
  • NPI 1457382483
  Care Compare affiliation

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

{
    "created_epoch": "1153958400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1778025600000",
    "number": "1407870926",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5960 FAIRVIEW RD STE 500",
            "city": "CHARLOTTE",
            "state": "NC",
            "postal_code": "282103113",
            "telephone_number": "704-495-6334"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "10635 PARK RD STE I",
            "city": "CHARLOTTE",
            "state": "NC",
            "postal_code": "282108408",
            "telephone_number": "704-495-6334"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "200 South College Street",
            "address_2": "Suite 500",
            "address_purpose": "LOCATION",
            "city": "Charlotte",
            "state": "NC",
            "postal_code": "282022067",
            "country_code": "US",
            "telephone_number": "704-302-8700",
            "fax_number": "704-302-8701",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CALLAHAN",
        "first_name": "CATHERINE",
        "middle_name": "BRITTAIN",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-07-27",
        "last_updated": "2026-05-06",
        "certification_date": "2026-05-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "SC",
            "license": "92028",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NC",
            "license": "200101316",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS",
            "identifier": "131X3",
            "state": "NC"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "89131X3",
            "state": "NC"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1407870926",
            "state": "NC"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "N01317",
            "state": "SC"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Fernanda Calienes Cerpa, MD
• Karinaelizabeth Amanda Calimee
• Calissa's Counseling Services, LLC
• Madison Call
• Callahan Coaching & Consulting, LLC
• Darci Callahan, LMFT
• Kelly Lynn Callahan
• Linda Callahan, COTA
• Natasha Callahan
• Sarah Callahan, PT, DPT

• Internal Medicine Physician in Charlotte, NC
• Providers in Charlotte, NC by specialty
• Internal Medicine Physician in North Carolina

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 6, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.