Gerontology Network
NPI 1649306879 · Geriatric Psychiatry Physician · Grand Rapids, MI
Gerontology Network is a Geriatric Psychiatry Physician organization in Grand Rapids, MI (NPI 1649306879).
Provider details
- NPI number
- 1649306879
- Entity type
- Organization
- Primary specialty
- Geriatric Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Thomas Hartwig, President Ceo(616) 456-6135
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Clinical Social Worker1041C0700X
Behavioral Health & Social Service Providers
- Psychiatry Physician2084P0800X
Allopathic & Osteopathic Physicians
- Case Management Agency251B00000X
Agencies
- Mental Health Counselor101YM0800X
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-02-23
- Last updated
- 2008-05-02
Frequently asked questions
- What is Gerontology Network's NPI number?
- Gerontology Network's National Provider Identifier (NPI) is 1649306879, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Gerontology Network?
- Gerontology Network is classified in the NPPES registry as Geriatric Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Gerontology Network located?
- Gerontology Network's practice location on file with NPPES is 516 Cherry St Se, Grand Rapids, MI 49503-4702.
- What is Gerontology Network's phone number?
- The practice phone number listed in the NPPES registry for Gerontology Network is (616) 456-6135.
- Who is the authorized official for Gerontology Network?
- The authorized official listed on Gerontology Network's NPPES record is Thomas Hartwig, President Ceo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Gerontology Network's NPI active?
- Yes — Gerontology Network's NPI (1649306879) is active in the NPPES registry as of the last update on 2008-05-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.