Individual provider Active NPI

Cameron Gray Gmehlin, MD

  • Pulmonary Disease Physician
  • Rochester, MN
National Provider Identifier
1821791633
Registry record updated Jun 15, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pulmonary Disease PhysicianTaxonomy code 207RP1001X
License
77482 Issued in MN
Practice address
200 1St St SW
Rochester, MN 55905-0002
Phone
(507) 284-2511
NPI assigned
Mar 22, 2023
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 15, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 77482 MN
Pulmonary Disease Physician 207RP1001X 77482 MN Primary
Internal Medicine Physician 207R00000X 33349 MN

Addresses

Primary practice location

200 1St St SW
Rochester, MN 55905-0002

Mailing address

PO Box 860912
Provider Enrollment - MCHS Wi
Minneapolis, MN 55486-0912
Phone (715) 838-5222

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address cgmehlin1779175@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
I20240716002153 MN Practitioner - Pulmonary DiseasePractitioner - Internal Medicine 8123484987 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Pulmonary DiseaseAlso: Internal Medicine
Education
Medical College of Wisconsin, 2023
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
Mayo Clinic CurrentSince Jul 2, 2024 Accepting new patients
Mayo Clinic CurrentSince Jul 2, 2024 Accepting new patients

Locations

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

Interoperability endpoints

  • Direct secure messaging: cgmehlin1779175@ehrdirect.mayoclinicmsg.org

Organizations & group practices 2

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 2

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": "1679443200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1781481600000",
    "number": "1821791633",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 860912",
            "address_2": "PROVIDER ENROLLMENT - MCHS WI",
            "city": "MINNEAPOLIS",
            "state": "MN",
            "postal_code": "554860912",
            "telephone_number": "715-838-5222"
        },
        {
            "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": "559050002",
            "telephone_number": "507-284-2511"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GMEHLIN",
        "first_name": "CAMERON",
        "middle_name": "GRAY",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2023-03-22",
        "last_updated": "2026-06-15",
        "certification_date": "2026-06-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MN",
            "license": "77482",
            "primary": false
        },
        {
            "code": "207RP1001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": "MN",
            "license": "77482",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MN",
            "license": "33349",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "cgmehlin1779175@ehrdirect.mayoclinicmsg.org",
            "affiliation": "N",
            "address_1": "200 1st St SW",
            "city": "Rochester",
            "state": "MN",
            "country_code": "US",
            "postal_code": "559050002",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Rochester, MN

Sources for this page

Verify at the official NPI Registry.