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

Lori Jean Day, MD

Individual provider Maternal & Fetal Medicine Physician · NPI 1326258740

Lori Jean Day, MD is an Obstetrics/Gynecology in Grand Rapids, Michigan. Graduated from Michigan State University College of Human Medicine in 2003, 23 years ago. Practices with Spectrum Health Primary Care Partners, a 2,303-clinician group and accepts Medicare assignment. Licensed in Michigan.

Years since qualifying
23
Trained at
Michigan State University College of Human Medicine
Licensed in
MI
In the registry since
2007
Specialties on file
2
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

25 Michigan St NE Ste 5200
Grand Rapids, MI 49503-2572
Phone: (616) 391-3681
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Maternal & Fetal Medicine Physician (primary) Taxonomy 207VM0101X · Licence 4301095680 (MI)
Obstetrics & Gynecology Physician Taxonomy 207V00000X · Licence 4301095680 (MI)

Record details

NPI number1326258740
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 23, 2007
Last updated in NPPESJanuary 16, 2025
Certification dateJanuary 16, 2025
Mailing address100 Michigan St Ne # Mc845, Grand Rapids, MI 49503-2560

Medicare enrollment

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

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolMICHIGAN STATE UNIVERSITY COLLEGE OF HUMAN MEDICINE
Graduated 2003 (23 years in practice)
Group practice Spectrum Health Primary Care Partners — 2303 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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