Michael R. Tendler, M.D.
NPI 1003873928ActiveIndividual· Internal Medicine, Gastroenterology· Marlboro, NJ
Internal Medicine, Gastroenterology (M.D.) with Allied Digestive Health LLC, practicing in Marlboro, New Jersey. Their prescriptions cost Medicare Part D more than their services did: $266,196 for 1,801 claims, against $136,511 paid for services in 2024. Abbvie Inc. was the largest of 9 companies reporting payments in 2025, $532.93 in all, mostly food and beverage. Lists Centrastate Medical Center as a hospital affiliation.
Overview
| NPI | 1003873928 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 26, 2006 |
| Last updated in NPPES | Jan 10, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 54849 | NJ |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (NJ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 719 |
|---|---|
| Services billed | 1,270 across 34 procedure codes |
| Paid by Medicare | $136,511 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,801 · 3,431 30-day fills |
|---|---|
| Patients | 570 |
| Total drug cost | $266,196 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 1986 |
|---|---|
| Medicare specialty | Gastroenterology |
Medical group
- Allied Digestive Health LLCRed Bank, NJ · 286 clinicians
Hospital affiliation
- Centrastate Medical CenterFreehold, NJ
Industry payments (Open Payments)
- 2025$532.93 · 29 payments from 9 companies
- 2024$464.00 · 27 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $141.57 | 10 |
| Genzyme Corporation | $116.69 | 5 |
| Ardelyx, Inc. | $71.97 | 4 |
| Takeda Pharmaceuticals U.S.A., Inc. | $64.72 | 3 |
| Lilly USA, LLC | $45.37 | 2 |
What the 2025 payments were for
- Food and Beverage$483.98 · 25 payments
- Education$28.95 · 3 payments
- Grant$20.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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