Individual provider Active NPI

Geoffrey Clayton Halling, MD

  • Anatomic Pathology & Clinical Pathology Physician
  • Rochester, MN
National Provider Identifier
1437710951
Registry record updated Jul 24, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anatomic Pathology & Clinical Pathology PhysicianTaxonomy code 207ZP0102X
License
77030 Issued in MN
Practice address
200 1St St SW
Rochester, MN 55905-5000
Phone
(507) 284-2511
NPI assigned
Jun 25, 2019
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 24, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Anatomic Pathology & Clinical Pathology Physician 207ZP0102X 4301508450 MI
Anatomic Pathology & Clinical Pathology Physician 207ZP0102X 77030 MN Primary

Addresses

Primary practice location

200 1St St SW
Rochester, MN 55905-5000

Mailing address

PO Box 860912
Minneapolis, MN 55486-0912
Phone (072) 842-5115

Other practice location 1

2800 Plymouth Rd # 35-1411
Ann Arbor, MI 48109-2800
Phone (734) 764-3270

Other practice location 2

1500 E Medical Center Dr
Ann Arbor, MI 48109-5000
Phone (734) 936-4000

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address ghalling2547688@ehrdirect.mayoclinicmsg.org

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MN
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
I20250611001333 MN Practitioner - Pathology 8527395250 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Pathology
Education
Wayne State University School of Medicine, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Mayo ClinicGroup PAC ID 6507778255, 4,829 clinicians

Practice addresses (Care Compare)

200 1St St SW
Rochester, MN 55905-0001
Phone (507) 284-2511

Hospital & facility affiliations

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Regents of the University of Michigan Anatomic Pathology & Clinical Pathology CurrentSince Jul 9, 2023 Accepting new patients
Mayo Clinic CurrentSince Jul 1, 2025 Accepting new patients
Regents of the University of Michigan CurrentSince Jul 9, 2023 Accepting new patients
Mayo Clinic CurrentSince Jul 1, 2025 Accepting new patients
Mayo Clinic Current Accepting new patients

Locations

1500 E Medical Center Dr
Ann Arbor, MI 48109
Phone (734) 936-4280

2800 Plymouth Rd
Ann Arbor, MI 48109
Phone (734) 647-2921

3621 S State St
Ann Arbor, MI 48108
Phone (734) 647-5229

2800 Plymouth Rd
#351411
Ann Arbor, MI 48109
Phone (734) 764-3270

200 1st St SW
Rochester, MN 55905
Phone (507) 266-4850

Interoperability endpoints

  • Direct secure messaging: ghalling2547688@ehrdirect.mayoclinicmsg.org

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 and National Provider Directory roles.

Hospital & facility affiliations 1

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": "1561420800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1753315200000",
    "number": "1437710951",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 860912",
            "city": "MINNEAPOLIS",
            "state": "MN",
            "postal_code": "554860912",
            "telephone_number": "072-842-5115"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "200 1ST ST SW",
            "city": "ROCHESTER",
            "state": "MN",
            "postal_code": "559055000",
            "telephone_number": "507-284-2511"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2800 Plymouth Rd # 35-1411",
            "address_purpose": "LOCATION",
            "city": "Ann Arbor",
            "state": "MI",
            "postal_code": "481092800",
            "country_code": "US",
            "telephone_number": "734-764-3270",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1500 E Medical Center Dr",
            "address_purpose": "LOCATION",
            "city": "Ann Arbor",
            "state": "MI",
            "postal_code": "481095000",
            "country_code": "US",
            "telephone_number": "734-936-4000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HALLING",
        "first_name": "GEOFFREY",
        "middle_name": "CLAYTON",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-06-25",
        "last_updated": "2025-07-24",
        "certification_date": "2025-07-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207ZP0102X",
            "taxonomy_group": "",
            "desc": "Pathology, Anatomic Pathology & Clinical Pathology",
            "state": "MI",
            "license": "4301508450",
            "primary": false
        },
        {
            "code": "207ZP0102X",
            "taxonomy_group": "",
            "desc": "Pathology, Anatomic Pathology & Clinical Pathology",
            "state": "MN",
            "license": "77030",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "ghalling2547688@ehrdirect.mayoclinicmsg.org",
            "affiliation": "N",
            "address_1": "200 1st St SW",
            "city": "Rochester",
            "state": "MN",
            "country_code": "US",
            "postal_code": "559055000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Rochester, MN

Sources for this page

Verify at the official NPI Registry.