Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Margarethe M Maciulis, MD

Individual provider Endocrinology, Diabetes & Metabolism Physician · NPI 1689650103

Dr. Margarethe M Maciulis, MD is an Endocrinology, Diabetes & Metabolism Physician in Bay City, Michigan. Licensed in Michigan. Registered with an NPI since 2005.

Licensed in
MI
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

200 S Wenona St Ste 260
Bay City, MI 48706
Phone: (989) 894-6040
Fax: (989) 892-3983
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Endocrinology, Diabetes & Metabolism Physician (primary) Taxonomy 207RE0101X · Licence 4301056636 (MI)

Record details

NPI number1689650103
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 16, 2005
Last updated in NPPESJuly 8, 2007

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