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

Dr. John Nicholas Gietzen, DO

Individual provider Family Medicine Physician · NPI 1538178025

Dr. John Nicholas Gietzen, DO is a Family Practice in New Glarus, Wisconsin. Graduated from Michigan State University College of Osteopathic Medicine in 1985, 41 years ago. Practices with Kemell Health LLC, a 2-clinician group and accepts Medicare assignment. Licensed in Arizona.

Years since qualifying
41
Trained at
Michigan State University College of Osteopathic Medicine
Licensed in
AZ
In the registry since
2006
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

W5491 Windmill Ridge Rd
New Glarus, WI 53574-9489
Phone: (608) 518-3654
Fax: (928) 277-4942
Show map & directions

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

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 4158 (AZ)

Record details

NPI number1538178025
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedAugust 5, 2006
Last updated in NPPESNovember 28, 2022
Certification dateNovember 28, 2022

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolMICHIGAN STATE UNIVERSITY COLLEGE OF OSTEOPATHIC MEDICINE
Graduated 1985 (41 years in practice)
Group practice Kemell Health Llc — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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