Active NPI
Steven G. Hamming, Psy.D., PC
- Clinical Psychologist
- Grand Rapids, MI
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Clinical Psychologist
- License
- 6301008656
- 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
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.
- 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) | Code | License | State | Primary |
|---|---|---|---|---|
| Clinical Psychologist | 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
National Provider Directory
National Provider DirectoryLocations
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.
-
- Psychologist
- Grand Rapids, MI
- NPI 1295883213
-
- Clinical Psychologist
- Traverse City, MI
- NPI 1114230786
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.