Tadd Kaeo Hiatt, MD
NPI 1457407074ActiveIndividual· Internal Medicine, Gastroenterology· East Lansing, MI
Internal Medicine, Gastroenterology (MD) in East Lansing, Michigan, trained at Jefferson Medical College of Thomas Jefferson University (class of 2005). Their prescriptions cost Medicare Part D more than their services did: $210,771 for 575 claims, against $58,377 paid for services in 2024. Abbvie Inc. was the largest of 18 companies reporting payments in 2025, $1,904 in all, mostly food and beverage.
Overview
| NPI | 1457407074 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 26, 2007 |
| Last updated in NPPES | Mar 12, 2025 |
| Certified by provider | Mar 12, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 4301100152 | MI |
| Internal Medicine | 207R00000X | 4301100152 | MI |
| Internal Medicine | 207R00000X | 46668 | CO |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 330 |
|---|---|
| Services billed | 546 across 46 procedure codes |
| Paid by Medicare | $58,377 |
Part D prescriptions in 2024
| Prescriptions (claims) | 575 · 1,036 30-day fills |
|---|---|
| Patients | 233 |
| Total drug cost | $210,771 |
| Generic share | 69% of claims |
Education and affiliations
| Medical school | Jefferson Medical College of Thomas Jefferson University |
|---|---|
| Graduation year | 2005 |
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Troy Gastroenterology PCRochester Hills, MI · 49 clinicians
Hospital affiliations
- Eaton Rapids Medical CenterEaton Rapids, MI
- Edward W Sparrow HospitalLansing, MI
- McLaren Greater LansingLansing, MI
Industry payments (Open Payments)
- 2025$1,904 · 95 payments from 18 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $412.69 | 21 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $247.57 | 12 |
| Janssen Biotech, Inc. | $231.39 | 11 |
| Regeneron Healthcare Solutions, Inc. | $186.31 | 7 |
| Takeda Pharmaceuticals U.S.A., Inc. | $184.08 | 13 |
What the 2025 payments were for
- Food and Beverage$1,893 · 94 payments
- Education$10.48 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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