Gretchen K Calhoun, CNP

Primary specialty

Adult Health Nurse PractitionerTaxonomy code 363LA2200X

License

APRN.CNP.00908 Issued in OH

Practice address

3400 Olentangy River Rd
Columbus, OH 43202-1523

Phone

(614) 754-5500

Fax

(614) 754-5501

NPI assigned

Feb 8, 2007

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Electronic endpoints 2

Medicare fee-for-service enrollment

Enrolled in OH

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Nurse Practitioner

Education

Other, 1996

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Ohio Gastroenterology Group, Inc.Group PAC ID 0143211284, 118 clinicians

Ohiohealth CorporationGroup PAC ID 6305758426, 2,295 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Riverside Methodist Hospital Hospital, Columbus, OH, CCN 360006
• Grant Medical Center Hospital, Columbus, OH, CCN 360017
• Mount Carmel East & West Hospital, Columbus, OH, CCN 360035
• Dublin Methodist Hospital Hospital, Dublin, OH, CCN 360348
• Marion General Hospital Hospital, Marion, OH, CCN 360011

Merit-based Incentive Payment System (MIPS)

Final score

78.34 of 100Reported as group

Quality

59.66

Promoting interoperability

99

Improvement activities

40

Cost

68.99

Merit-based Incentive Payment System (MIPS)

Final score

80.04 of 100Reported as group

Quality

58.67

Promoting interoperability

98

Improvement activities

40

Cost

76.46

Medicare enrollment (NPD)

Enrolled

Credentials

Certified Nurse Practitioner, Nurse Practitioner

State licenses

Practice roles

Locations

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.

• Ohio Gastroenterology Group, Inc.

  • Gastroenterology Physician
  • Columbus, OH
  • NPI 1124197637
  Medicare reassignment Care Compare group NPD
• Ohiohealth Corporation

  • Family Medicine Physician
  • Columbus, OH
  • NPI 1578545273
  Medicare reassignment Care Compare group NPD
• Osu Internal Medicine, LLC

  • Internal Medicine Physician
  • Columbus, OH
  • NPI 1740231448
  Medicare reassignment NPD
• Osup Community Outreach LLC

  • Neurology Physician
  • Dublin, OH
  • NPI 1699179929
  Medicare reassignment
• Ohiohealth Corporation

  • Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician
  • Columbus, OH
  • NPI 1265627301
  NPD
• Ohiohealth Corporation

  • Anesthesiology Physician
  • Columbus, OH
  • NPI 1407292105
  NPD
• Hospitalist Medicine Physicians of Franklin County, LTD

  • Internal Medicine Physician
  • Columbus, OH
  • NPI 1326088782
  NPD (past)
• Ohiohealth Regional Physician Services, LLC

  • Cardiovascular Disease Physician
  • Dublin, OH
  • NPI 1538552468
  NPD (past)

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

• Marion General Hospital, Inc.

  • General Acute Care Hospital
  • Marion, OH
  • NPI 1215935366
  Care Compare affiliation
• Marion General Hospital, Inc.

  • Clinical Medical Laboratory
  • Marion, OH
  • NPI 1427494277

  Hospital

  Care Compare affiliation
• Mount Carmel Health System

  • General Acute Care Hospital
  • Grove City, OH
  • NPI 1710067376
  Care Compare affiliation
• Mount Carmel Health System

  • General Acute Care Hospital
  • Columbus, OH
  • NPI 1982784534
  Care Compare affiliation
• Ohiohealth Corporation

  • General Acute Care Hospital
  • Columbus, OH
  • NPI 1255377149
  Care Compare affiliation
• Ohiohealth Corporation

  • General Acute Care Hospital
  • Columbus, OH
  • NPI 1467484972
  Care Compare affiliation
• Ohiohealth Corporation

  • Clinical Medical Laboratory
  • Columbus, OH
  • NPI 1710916945

  Hospital

  Care Compare affiliation
• Ohiohealth Corporation

  • General Acute Care Hospital
  • Dublin, OH
  • NPI 1801937008
  Care Compare affiliation

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

{
    "created_epoch": "1170892800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1750809600000",
    "number": "1689714586",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3400 OLENTANGY RIVER RD",
            "city": "COLUMBUS",
            "state": "OH",
            "postal_code": "432021523",
            "telephone_number": "614-754-5500",
            "fax_number": "614-754-5501"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3400 OLENTANGY RIVER RD",
            "city": "COLUMBUS",
            "state": "OH",
            "postal_code": "432021523",
            "telephone_number": "614-754-5500",
            "fax_number": "614-754-5501"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CALHOUN",
        "first_name": "GRETCHEN",
        "middle_name": "K",
        "credential": "CNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-02-08",
        "last_updated": "2025-06-25",
        "certification_date": "2025-06-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LA2200X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Adult Health",
            "state": "OH",
            "license": "APRN.CNP.00908",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "gcalhoun88368@direct.ohiohealth.com",
            "affiliation": "Y",
            "affiliationName": "OhioHealth Physician Group",
            "address_1": "5131 Beacon Hill Rd",
            "address_2": "Ste 200",
            "city": "Columbus",
            "state": "OH",
            "country_code": "US",
            "postal_code": "432284442",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "ohio.gastro@directaddress.net",
            "affiliation": "N",
            "endpointDescription": "Direct Messaging Address",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "3400 Olentangy River Rd",
            "city": "Columbus",
            "state": "OH",
            "country_code": "US",
            "postal_code": "432021523",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Thomas J Caldwell, PT, ATC
• Tyrah J Caldwell, RN
• Ciera Calhoun-Robinson
• Brenda Sue Calhoun, C.N.P
• Erin Lee Calhoun, MACPC LPC
• Joycelyn C Calhoun, LSW
• Karen Hall Calhoun, MD
• Nicole Leann Calhoun, M.A., PCC
• Rebecca Calhoun
• Tessa Marie-Francis Calhoun, CDCA

• Adult Health Nurse Practitioner in Columbus, OH
• Providers in Columbus, OH by specialty
• Adult Health Nurse Practitioner in Ohio

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 25, 2025; 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.