Mark Rosenblatt, M.D.
NPI 1851375455ActiveIndividual· Internal Medicine, Gastroenterology· Wailuku, HI
Internal Medicine, Gastroenterology (M.D.) with Maui Health System A Kaiser Foundation Hospitals LLC, practicing in Wailuku, Hawaii. Their prescriptions cost Medicare Part D more than their services did: $946,330 for 735 claims, against $78,240 paid for services in 2024. Boston Scientific Corporation was the largest of 2 companies reporting payments in 2025, $119.53 in all, mostly food and beverage. Lists Maui Memorial Medical Center as a hospital affiliation.
Overview
| NPI | 1851375455 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Dec 6, 2005 |
| Last updated in NPPES | May 19, 2025 |
| Certified by provider | May 19, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | MD-25477 | HI |
| Internal Medicine, Gastroenterology | 207RG0100X | 42702 | 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 (CO); Practitioner - Gastroenterology (HI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 366 |
|---|---|
| Services billed | 809 across 69 procedure codes |
| Paid by Medicare | $78,240 |
Part D prescriptions in 2024
| Prescriptions (claims) | 735 · 1,064 30-day fills |
|---|---|
| Patients | 367 |
| Total drug cost | $946,330 |
| Generic share | 70% of claims |
Education and affiliations
| Graduation year | 1993 |
|---|---|
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
Medical group
- Maui Health System A Kaiser Foundation Hospitals LLCWailuku, HI · 51 clinicians
Hospital affiliation
- Maui Memorial Medical CenterWailuku, HI
Industry payments (Open Payments)
- 2025$119.53 · 2 payments from 2 companies
- 2024$150.85 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boston Scientific Corporation | $97.72 | 1 |
| Conmed Corporation | $21.81 | 1 |
What the 2025 payments were for
- Food and Beverage$119.53 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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