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

Dr. Janet Ttheresa Guisinger, MD

Individual provider Family Medicine Physician · NPI 1295773208

Dr. Janet Ttheresa Guisinger, MD is a Family Practice in Bay City, Michigan. Qualified in 1993, 33 years ago. Accepts Medicare assignment. Licensed in Michigan.

Years since qualifying
33
Licensed in
MI
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

3403 E Midland Rd
Bay City, MI 48706-2825
Phone: (989) 684-1100
Fax: (989) 684-3340
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 4301064424 (MI)

Record details

NPI number1295773208
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 2, 2006
Last updated in NPPESJuly 13, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyFAMILY PRACTICE
Medical schoolOTHER
Graduated 1993 (33 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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