NPIMap

Organization Active NPI

Spectrum Health United

  • Rural Health Clinic/Center
  • Ionia, MI
National Provider Identifier
1174498893
Registry record updated Oct 10, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Rural Health Clinic/CenterTaxonomy code 261QR1300X
Legal business name
SPECTRUM HEALTH UNITED
Practice address
2776 S State Rd
Ionia, MI 48846-8472
Phone
(616) 775-7500
NPI assigned
Oct 10, 2025
Last updated
Oct 10, 2025By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Oct 10, 2025

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

Authorized official

Name
Matthew E Cox
Title
Cfo
Phone
(616) 295-4264

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Rural Health Clinic/Center 261QR1300X NU Primary
Internal Medicine Physician 207R00000X NU

Addresses

Primary practice location

2776 S State Rd
Ionia, MI 48846-8472

Mailing address

100 Michigan St NE
Grand Rapids, MI 49503-2560

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MI

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20260114003440 MI Part A Provider - Rural Health Clinic 6305836487 Practice locations: Ionia, MI

NPI to CCN mapping 1

The Medicare certification numbers (CCNs) connected to NPI 1174498893. Details of each certification follow.

Rural health clinic certification: CCN 238679

Legal name
SPECTRUM HEALTH UNITED
Doing business as
COREWELL HEALTH GREENVILLE HOSPITAL MULTISPECIALTY CENTER-IONIA
Certification status
Active
Provider type (POS)
Rural health clinic
Participating since
May 1, 2015
Last certification
May 1, 2018
Ownership / control type
2B
Most recent change of ownership
Jan 25, 2026 (1 total)
Organization structure
CorporationNon-profit
Enrollment address
2776 S State Rd
Ionia, MI 48846-8472
Related CCNs
231339

Facilities connected through Provider of Services related, parent or unit certification numbers.

Other NPIs with the same Medicare PAC ID 6

NPIs whose Medicare enrollments share a PECOS associate control ID (the same enrolled entity).

  • Spectrum Health United

    dba Corewell Health Greenville Hospital Family Medicine - Belding

    • Rural Health Clinic/Center
    • Belding, MI
    • NPI 1306289558

    6305836487

    Same PAC ID
  • Spectrum Health United

    dba Corewell Health Greenville Hospital

    • General Acute Care Hospital
    • Greenville, MI
    • NPI 1457304495

    6305836487

    Same PAC ID
  • Spectrum Health United

    dba Corewell Health Greenville Hospital Multispecialty Center - 707 S Gree

    • Rural Health Clinic/Center
    • Greenville, MI
    • NPI 1477927184

    6305836487

    Same PAC ID
  • Spectrum Health United

    dba Corewell Health Greenville Hospital Multispecialty Center - Oak St

    • Rural Health Clinic/Center
    • Greenville, MI
    • NPI 1538436852

    6305836487

    Same PAC ID
  • Spectrum Health United

    dba Corewell Health Greenville Hospital Multispecialty Center - Lakeview

    • Rural Health Clinic/Center
    • Lakeview, MI
    • NPI 1790104206

    6305836487

    Same PAC ID
  • Spectrum Health United

    dba Corewell Health Greenville Hospital Rehabilitation & Nursing Center

    • Skilled Nursing Facility
    • Greenville, MI
    • NPI 1962697946

    6305836487

    Same PAC ID

Laboratory certificates & supplier records

Derived by NPIMap

These CMS records do not include an NPI. They are shown because their name and street address match this provider’s.

CLIA laboratory certificates

CLIA numberLaboratoryCertificateExpires
23D0712541Corewell Health Greenville Hospital Multispecialty2776 S State Road, Ionia, MI 48846Provider-performed microscopyJun 7, 2027

National Provider Directory

National Provider Directory
Tax ID family
United Mem Hosp Emerg P40 organizations share this tax ID, including this one

Other organizations with this tax ID 39

Organizations that report the same tax identification number in the National Provider Directory.

View all 39

Ownership & related parties

All disclosed owners & managing parties 17

As disclosed on the Medicare enrollment (CMS All Owners files). Individuals include officers, directors and managing employees, who may not hold ownership.

NameRoleSinceShare
Christina Freese Decker Individual Corporate OfficerPresident and Ceo Feb 1, 2022
Talawnda L Bragg Individual Corporate Director Sep 26, 2021
Christopher B Port Individual Corporate Director Mar 12, 2020
Ronald M Hofman Individual Corporate Director Mar 12, 2020
Annica Euurand Waalkes Individual Corporate Director Mar 12, 2020
Teresa Arlene Treiber Individual W-2 Managing EmployeeAd; Nov 1, 2025
Matthew E Cox Individual Corporate Officer Feb 1, 2022
Mark Wilson Individual Corporate Director Dec 11, 2024
Corewell Health Organization, Grand Rapids, MI Corporation, Non-profit, Chain home office Operational/Managerial Control May 1, 2015
Johannie M Torres Individual Corporate Director Mar 12, 2020
Mary Doornbos Individual Corporate Director Mar 12, 2020
John Buckley Individual Corporate Director Mar 12, 2020
Sam R Watson Individual Corporate Director Mar 12, 2020
Bill P Pink Individual Corporate Director Mar 12, 2020
Simin Beg Individual Corporate Director Mar 12, 2020
Lynnette Ferrell-Robinson Individual Corporate Director Mar 12, 2020
Tamila Marlow Individual W-2 Managing EmployeeManager Fiss and Edi Credentialing Nov 1, 2025

Owners & managing parties with NPI records 5

Owners and managing parties disclosed on this facility’s Medicare enrollment that are themselves Medicare-enrolled.

All facility ownership & control disclosures 2

Facilities whose Medicare enrollment lists this provider’s PECOS associate ID as an owner or managing party.

FacilityTypeRoleSince
Corewell Health Greenville Hospital Family Medicine-BeldingBelding, MI, CCN 238668 Rural health clinic 5% Or Greater Direct Ownership Interest (100%) Sep 1, 2012
Corewell Health Greenville Hospital Multispecialty Center-LakeviewLakeview, MI, CCN 238647 Rural health clinic 5% Or Greater Direct Ownership Interest (100%) Jun 8, 2014

Owned or controlled facilities with NPI records 2

Facilities whose Medicare enrollment lists this provider as an owner, officer, director or managing party.

  • Spectrum Health United

    dba Corewell Health Greenville Hospital Family Medicine - Belding

    • Rural Health Clinic/Center
    • Belding, MI
    • NPI 1306289558

    5% Or Greater Direct Ownership Interest

    CMS ownership
  • Spectrum Health United

    dba Corewell Health Greenville Hospital Multispecialty Center - Lakeview

    • Rural Health Clinic/Center
    • Lakeview, MI
    • NPI 1790104206

    5% Or Greater Direct Ownership Interest

    CMS ownership

Facilities with the same owner 66

Facilities that share an organizational owner with 5% or greater ownership or operational control.

View all 66

Change-of-ownership history 1

DateEventCounterparty
Jan 25, 2026 Change of OwnershipThis provider was the buyer Corewell Health Pennock Hospital Multispecialty Center-IoniaCCN 238679, MI, NPI 1477940773

Change of ownership 1

Medicare changes of ownership in which this facility was the buyer or the seller.

Practitioners & affiliated clinicians

Practitioners 41

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

View all 41

NPI Registry JSON

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

{
    "created_epoch": "1760054400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1760054400000",
    "number": "1174498893",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "100 MICHIGAN ST NE",
            "city": "GRAND RAPIDS",
            "state": "MI",
            "postal_code": "495032560"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2776 S STATE RD",
            "city": "IONIA",
            "state": "MI",
            "postal_code": "488468472",
            "telephone_number": "616-775-7500"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "SPECTRUM HEALTH UNITED",
        "organizational_subpart": "NO",
        "enumeration_date": "2025-10-10",
        "last_updated": "2025-10-10",
        "certification_date": "2025-10-10",
        "status": "A",
        "authorized_official_last_name": "COX",
        "authorized_official_first_name": "MATTHEW",
        "authorized_official_middle_name": "E",
        "authorized_official_title_or_position": "CFO",
        "authorized_official_telephone_number": "616-295-4264"
    },
    "taxonomies": [
        {
            "code": "261QR1300X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Rural Health",
            "state": "NU",
            "license": null,
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NU",
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Ionia, MI

Sources for this page

Verify at the official NPI Registry.