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

Amy B Jentz, MD

Individual provider Surgery Physician · NPI 1831204601

Amy B Jentz, MD is a General Surgery in Ionia, Michigan. Graduated from Medical College of Wisconsin in 2000, 26 years ago. Practices with Sparrow Ionia Hospital, a 42-clinician group and accepts Medicare assignment. Licensed in Michigan.

Years since qualifying
26
Trained at
Medical College of Wisconsin
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

550 E Washington St
Ionia, MI 48846-2202
Phone: (616) 523-1630
Fax: (616) 523-1631
Show map & directions

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

Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X · Licence AJ076427 (MI)

Record details

NPI number1831204601
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 20, 2006
Last updated in NPPESApril 9, 2010
Mailing address550 E Washington St, Ionia, MI 48846-2202

Medicare enrollment

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

Medicare specialtyGENERAL SURGERY
Medical schoolMEDICAL COLLEGE OF WISCONSIN
Graduated 2000 (26 years in practice)
Group practice Sparrow Ionia Hospital — 42 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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