Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Gastroenterology

Tadd K. Hiatt

Works at hospitals in Eaton Rapids, MI · Lansing, MI · Michigan

Summary

Tadd K. Hiatt is a gastroenterologist at 1650 Ramblewood Dr, Suite 100, East Lansing, MI 48823. Phone: (517) 332-1200. Accepts Medicare assignment. In 2024, Tadd K. Hiatt had 330 Original Medicare patients and 546 services. NPI 1457407074. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Tadd K. Hiatt, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Tadd K. Hiatt accept Medicare assignment?
Yes. Medicare's clinician data says Tadd K. Hiatt accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Tadd K. Hiatt see?
In 2024, CMS data shows 330 Original Medicare patients and 546 services for Tadd K. Hiatt. This counts Original Medicare only and measures volume, not quality.
What is Tadd K. Hiatt's NPI number?
1457407074. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Tadd K. Hiatt, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients330
Services billed to Medicare546
Different services or procedures46
Participating Medicare providerYes
Average age of these patients70

Most frequent services

  1. Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)87 services
  2. Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)56 services
  3. Biopsy of large bowel using a flexible endoscope (45380)48 services
  4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)42 services
  5. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)36 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure69%
  • High cholesterol62%
  • Arthritis47%
  • Anxiety35%
  • Depression33%
  • Chronic kidney disease33%

Hospitals where Tadd K. Hiatt works

Medicare's Facility Affiliation Data lists Tadd K. Hiatt at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Tadd K. Hiatt is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Tadd K. Hiatt as a member of this group (CMS data updated October 2, 2026).

  • Troy Gastroenterology PC49 clinicians in the group

Specialties

Find other Gastroenterology doctors in Michigan →

Other gastroenterologists in East Lansing

Clinicians with the same Medicare primary specialty in East Lansing, MI — not a recommendation.

All gastroenterologists in East Lansing →

Other clinicians in Troy Gastroenterology PC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

Medical schoolJefferson Medical College Of Thomas Jefferson University
Graduation year2005 (21 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1457407074
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians