GERONTOLOGY NETWORK
NPI 1598955510
Counselor - Addiction (Substance Use Disorder) in Grand Rapids, MI

Q: What is Gerontology Network's NPI number?

The NPI number for Gerontology Network is 1598955510. It was assigned to this organization in the NPPES registry on July 26, 2007.

Q: What is Gerontology Network's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

Active since July 26, 2007

516 CHERRY ST SE, GRAND RAPIDS, MI 49503(616) 456-6135(616) 771-9771 Get Directions Write a Review

NPPES record last updated: July 26, 2007. Verified against the NPPES registry weekly; last sync: August 30, 2026.

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About Gerontology Network NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GERONTOLOGY NETWORK (NPI 1598955510) is a healthcare organization registered as an addiction (substance use disorder) in Grand Rapids, Michigan and active in the NPI registry since July 2007. The organization lists Thomas A Hartwig, President Ceo, as its authorized official.

NPPES Registry Identity

NPI1598955510

Entity TypeOrganization

Primary Taxonomy101YA0400X

Legal Business NameGERONTOLOGY NETWORK

Location Address516 CHERRY ST SEGrand Rapids, MI 49503-4702

Mailing Address500 Cherry St SeGrand Rapids, MI 49503-4702 · (616) 456-6135 · Fax (616) 771-9771

Phone(616) 456-6135

Fax(616) 771-9771

Organization SubpartNo

Authorized OfficialThomas A HartwigPresident Ceo · (616) 456-6135

Enumeration DateJuly 26, 2007

✔ NPI 1598955510 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 7

★ Primary SpecialtyCounselor · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers

Taxonomy Code101YA0400X

Also ListedCounselor · Mental HealthTaxonomy 101YM0800X

Also ListedSocial Worker · ClinicalTaxonomy 1041C0700X

Also ListedPsychiatry & Neurology · PsychiatryTaxonomy 2084P0800X

Also ListedPsychiatry & Neurology · Geriatric PsychiatryTaxonomy 2084P0805X

Also ListedCase ManagementTaxonomy 251B00000X

Also ListedCommunity/Behavioral HealthTaxonomy 251S00000X

516 CHERRY ST SE, Grand Rapids, MI 49503

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Other Identifiers 2

Medicare ID-Type Unspecified0D16163MI

Medicare ID-Type Unspecified0D16140MI

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Other Providers at the Same Location NPPES 12

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ELLEN GRAGJEVI LLMSW

Social Worker