Sparrow Eaton Hospital
NPI 1831370618 · Internal Medicine Physician · Charlotte, MI
Sparrow Eaton Hospital is a Internal Medicine Physician organization in Charlotte, MI (NPI 1831370618).
Provider details
- NPI number
- 1831370618
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Tammy Merritt, Director of Physician Practices(517) 543-1050
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
Other names (DBA / former)
- Former legal business name
- Hayes Green Beach Memorial Hospital
- Other name
- Hayes Green Beach Memorial Hospital Internal Medicine
- Doing business as
- Sparrow Eaton Hospital
- Doing business as
- Sparrow Eaton Hospital
Registry dates
- Enumerated
- 2007-11-20
- Last updated
- 2020-02-13
- Certified
- 2020-02-13
Frequently asked questions
- What is Sparrow Eaton Hospital's NPI number?
- Sparrow Eaton Hospital's National Provider Identifier (NPI) is 1831370618, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Sparrow Eaton Hospital?
- Sparrow Eaton Hospital is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Sparrow Eaton Hospital located?
- Sparrow Eaton Hospital's practice location on file with NPPES is 123 Lansing St, Charlotte, MI 48813-1696.
- What is Sparrow Eaton Hospital's phone number?
- The practice phone number listed in the NPPES registry for Sparrow Eaton Hospital is (517) 543-0600.
- Who is the authorized official for Sparrow Eaton Hospital?
- The authorized official listed on Sparrow Eaton Hospital's NPPES record is Tammy Merritt, Director of Physician Practices. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Sparrow Eaton Hospital's NPI active?
- Yes — Sparrow Eaton Hospital's NPI (1831370618) is active in the NPPES registry as of the last update on 2020-02-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.