Physician Profile
Based in Ionia, MI, Amy B. Jentz, M.D. is listed in the NPI registry under surgery. Amy graduated from Medical College of Wisconsin in 2000. Medicare claims data shows Amy provided 30 services to 30 patients. The services billed most often include colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk and biopsy of large bowel using a flexible endoscope.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
550 E WASHINGTON ST
Ionia, MI 48846
Within Surgery (Unspecified) generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Breast conditions
Cancer
Colorectal
Digestive
Digestive & blood
Digestive health
Endocrine
Infections
Lumps & bumps
Lymphatic
Minor surgery
Skin & scars
Skin & soft tissue
Skin cancer
Vascular
Weight & metabolism
Wound care
Wounds
Most searched procedures
Abdominal
Abdominal surgery
Bariatric
Breast surgery
Cancer
Cancer surgery
Colorectal
Consultations
Diagnostic
Digestive
Digestive health
Endocrine
Infections
Minor surgery
Post-op care
Reconstruction
Skin & soft tissue
Skin cancer
Vascular
Vascular & cancer
Weight loss
Wound care
Wounds
30 services · 30 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
14 | Less often than most peers in Surgery |
| Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | Billing code | G0121 |
16 | As often as other peers in Surgery |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Amy B. Jentz is a general surgeon in Ionia, MI. That is the designation recorded for this NPI in the federal registry, where it is listed as “Surgery”.
NPI registry
Amy B. Jentz is listed at 550 E Washington St, Ionia, MI 48846. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (616) 523-1630. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Amy B. Jentz's National Provider Identifier is 1831204601. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Amy B. Jentz attended Medical College of Wisconsin, graduating in 2000. This comes from the CMS National Downloadable File.
CMS public data
Amy B. Jentz has 26 years experience. Calculated from a graduation year of 2000, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Amy B. Jentz performs procedures including biopsy of large bowel using a flexible endoscope. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Amy B. Jentz. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.