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

Mackenzie Erin Delzer, MD

Individual provider Obstetrics Physician · NPI 1669053781

Mackenzie Erin Delzer, MD is an Obstetrics/Gynecology in Green Bay, Wisconsin. Graduated from University of Wisconsin School of Medicine in 2021, 5 years ago. Practices with Bellin Memorial Hospital Inc, a 681-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
5
Trained at
University of Wisconsin School of Medicine
Licensed in
WI
In the registry since
2021
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

744 S Webster Ave
Green Bay, WI 54301-3505
Phone: (920) 433-3500
Show map & directions

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

Additional practice locations (1)

  • 111 Colchester Ave, Burlington, VT 05401-1473 — (920) 621-6023

Specialties & licences

Obstetrics Physician (primary) Taxonomy 207VX0000X · Licence 85962-20 (WI)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1669053781
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 20, 2021
Last updated in NPPESSeptember 17, 2025
Certification dateSeptember 17, 2025
Mailing addressPo Box 23400, Green Bay, WI 54305-3400

Medicare enrollment

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

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolUNIVERSITY OF WISCONSIN SCHOOL OF MEDICINE
Graduated 2021 (5 years in practice)
Group practice Bellin Memorial Hospital Inc — 681 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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