Individual provider Active NPI

Kenneth Son, M.D.

  • Internal Medicine Physician
  • Marion, OH
National Provider Identifier
1831194992
Registry record updated Aug 13, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
4301100071 Issued in MI
Practice address
1000 McKinley Park Dr
Marion, OH 43302-6399
Phone
(740) 383-8473
Fax
(740) 383-8695
NPI assigned
Jun 16, 2005
Last updated
Aug 13, 2025By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 13, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Optometrist 152W00000X 4901004799 MI
Internal Medicine Physician 207R00000X 4301100071 MI Primary
Hospitalist Physician 208M00000X 4301100071 MI

Addresses

Primary practice location

1000 McKinley Park Dr
Marion, OH 43302-6399

Mailing address

PO Box 7527
Dublin, OH 43017-0727
Phone (614) 544-6366

Other practice location 1

4100 River Rd
Acute Care Dept.
East China, MI 48054
Phone (810) 329-5330

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address kson1285711@direct.ohiohealth.com OhioHealth Physician Group, Inc.

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MI, IA, OH, KS4 enrollments
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 4

Enrollment IDStateProvider typePAC IDDetails
I20150622002033 MI Practitioner - HospitalistPractitioner - Internal MedicinePractitioner - Optometry 1658307954 Reassigns benefits to 4 organizations
I20220715000573 IA Practitioner - Internal Medicine 1658307954 Reassigns benefits to 1 organization
I20230712003383 OH Practitioner - Internal Medicine 1658307954 Reassigns benefits to 5 organizations
I20250821000843 KS Practitioner - HospitalistPractitioner - Internal Medicine 1658307954 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Other, 2012
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Mvhe IncGroup PAC ID 9537066584, 399 clinicians
Ohiohealth CorporationGroup PAC ID 6305758426, 2,295 clinicians

Practice addresses (Care Compare)

1 Medical Ctr Dr
Middletown, OH 45005-2584
Phone (513) 705-4754

1000 McKinley Park Dr
Marion, OH 43302-6399
Phone (740) 383-8400

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
4901004799MIMDOptometrist

Practice roles

OrganizationSpecialtyStatusNew patients
Southwest Medical Center Internal Medicine CurrentSince Aug 14, 2025 Accepting new patients
Sinclair Physician Services, LLC Internal Medicine CurrentSince May 1, 2024 Accepting new patients
Hisey Physician Services, LLC Internal Medicine CurrentSince Mar 26, 2024 Accepting new patients
St Luke's Methodist Hospital Current Accepting new patients
Henry Ford Semi Medical Group CurrentSince Jul 1, 2015 Accepting new patients
Southwest Medical Center Current Accepting new patients
Mymichigan Medical Center Alpena CurrentSince Feb 1, 2022 Accepting new patients
Henry Ford Semi Medical Group Internal Medicine CurrentSince Jul 1, 2015 Accepting new patients
Henry Ford Health River District Hospital CurrentSince Dec 9, 2019 Accepting new patients
Ohiohealth Corporation CurrentSince Jul 1, 2025 Accepting new patients
Southwest Medical Center CurrentSince Aug 14, 2025 Accepting new patients
Mvhe Inc Internal Medicine CurrentSince May 29, 2023 Accepting new patients
Iowa Physicians Clinic Medical Foundation Internal Medicine CurrentSince Aug 8, 2022 Accepting new patients
Ohiohealth Corporation CurrentSince Jul 1, 2025 Accepting new patients
Upper Valley Professional Corporation Internal Medicine CurrentSince May 29, 2023 Accepting new patients
Mvhe Inc Internal Medicine CurrentSince May 29, 2023 Accepting new patients
Ohiohealth Corporation Internal Medicine Current Accepting new patients
Henry Ford Health River District Hospital CurrentSince Dec 9, 2019 Accepting new patients
Mercy Specialty Services Internal Medicine CurrentSince Aug 9, 2021 Accepting new patients
Mymichigan Medical Group Internal Medicine CurrentSince Feb 1, 2022 Accepting new patients
Mvhe Inc Internal Medicine Current Accepting new patients
Mymichigan Medical Group Current Accepting new patients
Inpatient Consultants of Michigan PC Internal Medicine CurrentSince Jun 11, 2018 Accepting new patients
Henry Ford Semi Medical Group Internal Medicine Current Accepting new patients
Upper Valley Medical Center Past Accepting new patients
Marion General Hospital, Inc. Past Accepting new patients
Southwest Medical Center Past Accepting new patients
Trinity Medical Center Internal Medicine Past Accepting new patients
Cullison Eye Care Optometrist PastSince Jul 2, 2015 Accepting new patients

Locations (25 of 31)

4480 Utica Ridge Rd
Ste 160
Bettendorf, IA 52722
Phone (563) 742-5950

4480 Utica Ridge Rd
Ste 2230
Bettendorf, IA 52722
Phone (563) 742-5150

1026 A Ave NE
Cedar Rapids, IA 52402
Phone (319) 369-5970

315 W 15th St
Liberal, KS 67901
Phone (620) 624-1651

1014 E Grand River Ave
Brighton, MI 48116
Phone (810) 220-5222

1 William Carls Dr
Commerce Twp, MI 48382
Phone (248) 227-5500

4014 S River Rd
Ste 6
East China, MI 48054
Phone (810) 329-6677

4100 S River Rd
East China, MI 48054
Phone (810) 329-6677

4220 Hospital Dr
East China, MI 48054
Phone (810) 329-4735

609 Quarter St
Gladwin, MI 48624
Phone (989) 246-6371

815 N Clare Ave
Harrison, MI 48625
Phone (989) 539-4096

1375 N Main St
Lapeer, MI 48446
Phone (810) 667-5500

4000 Wellness Dr
Midland, MI 48670
Phone (844) 832-1956

1500 E Sherman Blvd
Muskegon, MI 49444
Phone (231) 672-3027

37771 Schoenherr Rd
Ste 104
Sterling Hts, MI 48312
Phone (810) 286-0050

30117 Schoenherr Rd
Ste 400
Warren, MI 48088
Phone (586) 552-4848

2463 S M 30
West Branch, MI 48661
Phone (517) 345-3660

722 N Fairfield Rd
Beavercreek, OH 45434
Phone (937) 208-7000

393 E Town St
Ste 116
Columbus, OH 43215
Phone (614) 566-9108

Dept L3652
Columbus, OH 43260

1 Wyoming St
Dayton, OH 45409
Phone (937) 208-2636

2400 Miami Valley Dr
Dayton, OH 45459
Phone (937) 208-8394

2451 Wayne Ave
Dayton, OH 45420
Phone (937) 252-1831

30 E Apple St
Ste NW3300
Dayton, OH 45409
Phone (937) 208-8394

9000 N Main St
Englewood, OH 45415
Phone (937) 208-8394

Interoperability endpoints

  • FHIR API: https://fhir4.healow.com/fhir/r4/JGBGAA
  • Direct secure messaging: kson1302709@direct.trinity-health.org
  • Direct secure messaging: kson895134@direct.unitypoint.org

Organizations & group practices 29

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.

View all 29

Hospital & facility affiliations 6

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": "1118880000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1755043200000",
    "number": "1831194992",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 7527",
            "city": "DUBLIN",
            "state": "OH",
            "postal_code": "430170727",
            "telephone_number": "614-544-6366",
            "fax_number": "614-544-6350"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1000 MCKINLEY PARK DR",
            "city": "MARION",
            "state": "OH",
            "postal_code": "433026399",
            "telephone_number": "740-383-8473",
            "fax_number": "740-383-8695"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "4100 River Rd",
            "address_2": "Acute Care Dept.",
            "address_purpose": "LOCATION",
            "city": "East China",
            "state": "MI",
            "postal_code": "48054",
            "country_code": "US",
            "telephone_number": "810-329-5330",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SON",
        "first_name": "KENNETH",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-06-16",
        "last_updated": "2025-08-13",
        "certification_date": "2025-08-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "152W00000X",
            "taxonomy_group": "",
            "desc": "Optometrist",
            "state": "MI",
            "license": "4901004799",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MI",
            "license": "4301100071",
            "primary": true
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "MI",
            "license": "4301100071",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "kson1285711@direct.ohiohealth.com",
            "affiliation": "Y",
            "affiliationName": "OhioHealth Physician Group, Inc.",
            "address_1": "1000 McKinley Park Dr",
            "city": "Marion",
            "state": "OH",
            "country_code": "US",
            "postal_code": "433026399",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Marion, OH

Sources for this page

Verify at the official NPI Registry.