Margarethe Maciulis, MD
NPI 1689650103 · Endocrinology, Diabetes & Metabolism Physician · Bay City, MI
Margarethe Maciulis, MD is a Endocrinology, Diabetes & Metabolism Physician provider in Bay City, MI (NPI 1689650103).
Provider details
- NPI number
- 1689650103
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 4301056636 (MI)
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
20 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
- 2005-12-16
- Last updated
- 2007-07-08
Frequently asked questions
- What is Margarethe Maciulis's NPI number?
- Margarethe Maciulis's National Provider Identifier (NPI) is 1689650103, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margarethe Maciulis's specialty?
- Margarethe Maciulis is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Margarethe Maciulis located?
- Margarethe Maciulis's practice location on file with NPPES is 200 S Wenona St, Bay City, MI 48706.
- What is Margarethe Maciulis's phone number?
- The practice phone number listed in the NPPES registry for Margarethe Maciulis is (989) 894-6040.
- Is Margarethe Maciulis's NPI active?
- Yes — Margarethe Maciulis's NPI (1689650103) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.