Henry Ki Paik, M.D.
NPI 1194789149ActiveIndividual· Internal Medicine, Gastroenterology· Chattanooga, TN
Internal Medicine, Gastroenterology (M.D.) in Chattanooga, Tennessee, trained at Boston University School of Medicine (class of 1989). Their prescriptions cost Medicare Part D more than their services did: $1,923,630 for 2,679 claims, against $92,829 paid for services in 2024. Abbvie Inc. was the largest of 15 companies reporting payments in 2025, $3,055 in all, mostly food and beverage.
Overview
| NPI | 1194789149 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Apr 14, 2006 |
| Last updated in NPPES | Oct 19, 2023 |
| Certified by provider | Oct 19, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 27599 | TN |
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 (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 544 |
|---|---|
| Services billed | 1,367 across 30 procedure codes |
| Paid by Medicare | $92,829 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,679 · 4,290 30-day fills |
|---|---|
| Patients | 815 |
| Total drug cost | $1,923,630 |
| Generic share | 73% of claims |
Education and affiliations
| Medical school | Boston University School of Medicine |
|---|---|
| Graduation year | 1989 |
| Medicare specialty | Gastroenterology |
Hospital affiliations
- Memorial Healthcare System, IncChattanooga, TN
- Parkridge Medical CenterChattanooga, TN
Industry payments (Open Payments)
- 2025$3,055 · 155 payments from 15 companies
- 2024$2,724 · 160 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $634.51 | 34 |
| Janssen Biotech, Inc. | $444.00 | 23 |
| Madrigal Pharmaceuticals | $395.95 | 12 |
| Celltrion USA Inc. | $236.99 | 12 |
| Aimmune Therapeutics, Inc. | $219.99 | 8 |
What the 2025 payments were for
- Food and Beverage$3,055 · 155 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 34 gastroenterologists in Chattanooga · All gastroenterologists in Tennessee