NPIMap

Individual provider Active NPI

Erik J Carson, M.D.

  • Medical Oncology Physician
  • Chelsea, MI
National Provider Identifier
1235134339
Registry record updated Mar 25, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Medical Oncology PhysicianTaxonomy code 207RX0202X
License
4301066472 Issued in MI
Practice address
775 S Main St
Chelsea, MI 48118
Phone
(734) 712-1000
Fax
(734) 712-3218
NPI assigned
Jun 15, 2005
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 25, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Hematology & Oncology Physician 207RH0003X 066472 MI
Medical Oncology Physician 207RX0202X 4301066472 MI Primary
Hematology & Oncology Physician 207RH0003X 168210 MT

Addresses

Primary practice location

775 S Main St
Chelsea, MI 48118

Mailing address

24 Frank Lloyd Wright Dr Ste J2000
Ann Arbor, MI 48105-9484
Phone (734) 747-6766

Other practice location 1

350 Heritage Way Ste 1100
Kalispell, MT 59901-3160
Phone (406) 752-8900

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address krmcmedicalrecords@krhdirect.org Direct Kalispell Regional Medical Center Inc

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MI, MT2 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20050815000437 MI Practitioner - Hematology/OncologyPractitioner - Medical Oncology 3678544285 Reassigns benefits to 2 organizations
I20260409001008 MT Practitioner - Hematology/Oncology 3678544285 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Hematology/Oncology
Education
Harvard Medical School, 1993
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Iha Health Services CorporationGroup PAC ID 2466351440, 1,149 clinicians
Kalispell Regional Medical Center IncGroup PAC ID 5294644381, 422 clinicians
DLP Marquette Physician Practices IncGroup PAC ID 9931359601, 193 clinicians

Practice addresses (Care Compare)

2305 Genoa Bus Park Dr
Brighton, MI 48114-7005

350 Heritage Way
Suite 1100
Kalispell, MT 59901-3160
Phone (406) 752-8900

44428 Woodward Ave
Suite 102
Pontiac, MI 48341-5009
Phone (734) 712-8700

5301 E Huron River Dr
Ypsilanti, MI 48197-1051

5301 McAuley Dr
Ypsilanti, MI 48197-1051

7575 Grand River Rd
Brighton, MI 48114-9309
Phone (734) 712-7255

775 S Main St
Chelsea, MI 48118-1383

850 W Baraga Ave
Marquette, MI 49855-4550
Phone (906) 449-3900

Hospital & facility affiliations

  • Chelsea Hospital Hospital, Chelsea, MI, CCN 230259
  • Logan Health Medical Center Hospital, Kalispell, MT, CCN 270051
  • Trinity Health Ann Arbor Hospital Hospital, Ann Arbor, MI, CCN 230156
  • Uphs Marquette DLP Hospital Hospital, Marquette, MI, CCN 230054
  • Trinity Health Livingston Hospital Hospital, Howell, MI, CCN 230069

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
066472MIMDHematology & Oncology Physician
168210MTMDHematology & Oncology Physician
4301066472MIMDMedical Oncology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Iha Health Services Corporation Current Accepting new patients
Iha Health Service Corporation CurrentSince Aug 31, 2019 Accepting new patients
Iha Health Services Organization CurrentSince Aug 31, 2019 Accepting new patients
Iha Health Services Corporation Past Accepting new patients

Locations

24 Frank Lloyd Wright Dr
Ann Arbor, MI 48105
Phone (734) 930-7400

7575 Grand River Rd
Ste 202
Brighton, MI 48114
Phone (810) 844-7566

2305 Genoa Business Park Dr
Ste 200
Brighton, MI 48114
Phone (810) 494-6840

128 Van Buren St
Chelsea, MI 48118
Phone (734) 475-8677

775 S Main St
Chelsea, MI 48118
Phone (313) 995-3764

44428 Woodward Ave
Ste 102
Pontiac, MI 48341
Phone (734) 712-8700

5325 Elliott Dr
Ste 203
Ypsilanti, MI 48197
Phone (734) 712-8020

Organizations & group practices 6

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 11

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": "1118793600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1774396800000",
    "number": "1235134339",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "24 FRANK LLOYD WRIGHT DR STE J2000",
            "city": "ANN ARBOR",
            "state": "MI",
            "postal_code": "481059484",
            "telephone_number": "734-747-6766",
            "fax_number": "734-222-3100"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "775 S MAIN ST",
            "city": "CHELSEA",
            "state": "MI",
            "postal_code": "48118",
            "telephone_number": "734-712-1000",
            "fax_number": "734-712-3218"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "350 Heritage Way Ste 1100",
            "address_purpose": "LOCATION",
            "city": "Kalispell",
            "state": "MT",
            "postal_code": "599013160",
            "country_code": "US",
            "telephone_number": "406-752-8900",
            "fax_number": "406-752-8909",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CARSON",
        "first_name": "ERIK",
        "middle_name": "J",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-06-15",
        "last_updated": "2026-03-25",
        "certification_date": "2026-03-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "MI",
            "license": "066472",
            "primary": false
        },
        {
            "code": "207RX0202X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Medical Oncology",
            "state": "MI",
            "license": "4301066472",
            "primary": true
        },
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "MT",
            "license": "168210",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "krmcmedicalrecords@krhdirect.org",
            "affiliation": "Y",
            "affiliationName": "Kalispell Regional Medical Center Inc",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "350 Heritage Way",
            "address_2": "Suite 1100",
            "city": "Kalispell",
            "state": "MT",
            "country_code": "US",
            "postal_code": "599013158",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Chelsea, MI

Sources for this page

Verify at the official NPI Registry.