Organization Active NPI

Steven G. Hamming, Psy.D., PC

  • Clinical Psychologist
  • Grand Rapids, MI
National Provider Identifier
1386774396
Registry record updated Jul 9, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical PsychologistTaxonomy code 103TC0700X
License
6301008656 Issued in MI
Legal business name
STEVEN G. HAMMING, PSY.D., PC
Practice address
146 Monroe Center St NW
Suite 606
Grand Rapids, MI 49503-2833
Phone
(616) 459-0000
Fax
(616) 459-0000
NPI assigned
Mar 7, 2007
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Jul 9, 2025

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

Authorized official

Name
Dr. Steven Gene Hamming, PSY.D.NPI 1295883213
Title
President
Phone
(616) 459-0000

Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Clinical PsychologistGroup: 193400000X SINGLE SPECIALTY GROUP 103TC0700X 6301008656 MI Primary

Addresses

Primary practice location

146 Monroe Center St NW
Suite 606
Grand Rapids, MI 49503-2833

Mailing address

146 Monroe Center
Suite 606
Grand Rapids, MI 49503-2815
Phone (616) 459-0000

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20070312000023 MI Part B Supplier - Clinic/Group Practice 6901909035 Receives reassigned benefits from 1 practitioner
Practice locations: Grand Rapids, MI

National Provider Directory

National Provider Directory

Locations

146 Monroe Center St NW
Ste 606
Grand Rapids, MI 49503
Phone (616) 459-0000

85 Campau Ave NW
Ste R100
Grand Rapids, MI 49503
Phone (616) 260-6642

Practitioners & affiliated clinicians

Practitioners 2

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1173225600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1752019200000",
    "number": "1386774396",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "146 MONROE CENTER",
            "address_2": "SUITE 606",
            "city": "GRAND RAPIDS",
            "state": "MI",
            "postal_code": "495032815",
            "telephone_number": "616-459-0000",
            "fax_number": "616-459-0000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "146 MONROE CENTER ST NW",
            "address_2": "SUITE 606",
            "city": "GRAND RAPIDS",
            "state": "MI",
            "postal_code": "495032833",
            "telephone_number": "616-459-0000",
            "fax_number": "616-459-0000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "STEVEN G. HAMMING, PSY.D., PC",
        "organizational_subpart": "NO",
        "enumeration_date": "2007-03-07",
        "last_updated": "2025-07-09",
        "certification_date": "2025-07-09",
        "status": "A",
        "authorized_official_last_name": "HAMMING",
        "authorized_official_first_name": "STEVEN",
        "authorized_official_middle_name": "GENE",
        "authorized_official_title_or_position": "PRESIDENT",
        "authorized_official_telephone_number": "616-459-0000",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "PSY.D."
    },
    "taxonomies": [
        {
            "code": "103TC0700X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Psychologist, Clinical",
            "state": "MI",
            "license": "6301008656",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Grand Rapids, MI

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 9, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.