Great Lakes Bay Health Centers
NPI 1558620237 · Hospitalist Physician · Saginaw, MI
Great Lakes Bay Health Centers is a Hospitalist Physician organization in Saginaw, MI (NPI 1558620237).
Provider details
- NPI number
- 1558620237
- Entity type
- Organization
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Lisa Galonska, Vice President(989) 759-6464
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Family Medicine Physician207Q00000X
Allopathic & Osteopathic Physicians
- Internal Medicine Physician207R00000X
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 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)
- Other name
- St. Mary'S Hospital
Registry dates
- Enumerated
- 2012-05-15
- Last updated
- 2016-09-20
Frequently asked questions
- What is Great Lakes Bay Health Centers's NPI number?
- Great Lakes Bay Health Centers's National Provider Identifier (NPI) is 1558620237, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Great Lakes Bay Health Centers?
- Great Lakes Bay Health Centers is classified in the NPPES registry as Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Great Lakes Bay Health Centers located?
- Great Lakes Bay Health Centers's practice location on file with NPPES is 800 S Washington Ave, Saginaw, MI 48601-2551.
- What is Great Lakes Bay Health Centers's phone number?
- The practice phone number listed in the NPPES registry for Great Lakes Bay Health Centers is (989) 759-6435.
- Who is the authorized official for Great Lakes Bay Health Centers?
- The authorized official listed on Great Lakes Bay Health Centers's NPPES record is Lisa Galonska, Vice President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Great Lakes Bay Health Centers's NPI active?
- Yes — Great Lakes Bay Health Centers's NPI (1558620237) is active in the NPPES registry as of the last update on 2016-09-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.