Timothy Michael Heyden, M.D.
NPI 1427012467ActiveIndividual· Internal Medicine· Williamsville, NY
Internal Medicine (M.D.) with Maple Internal Medicine and Pediatrics PLLC, practicing in Williamsville, New York. Their prescriptions cost Medicare Part D more than their services did: $502,228 for 4,870 claims, against $17,704 paid for services in 2024. Axsome Therapeutics, Inc. was the largest of 6 companies reporting payments in 2025, $115.25 in all, mostly food and beverage. Lists Kaleida Health and 1 other hospital as hospital affiliations.
Overview
| NPI | 1427012467 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 14, 2006 |
| Last updated in NPPES | Jan 21, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 196974 | NY |
| Pediatrics | 208000000X | 196974 | NY |
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 - Internal Medicine (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 84 |
|---|---|
| Services billed | 233 across 19 procedure codes |
| Paid by Medicare | $17,704 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,870 · 11,989 30-day fills |
|---|---|
| Patients | 465 |
| Total drug cost | $502,228 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 1991 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical group
- Maple Internal Medicine and Pediatrics PLLCWilliamsville, NY · 8 clinicians
Hospital affiliations
- Kaleida HealthBuffalo, NY
- Sisters of Charity HospitalBuffalo, NY
Other facilities
- McAuley Seton Home Care Corp ChhaHome health agency · Buffalo, NY
- Vna of Western Ny ChhaHome health agency · Cheektowaga, NY
Industry payments (Open Payments)
- 2025$115.25 · 6 payments from 6 companies
- 2024$155.92 · 7 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Axsome Therapeutics, Inc. | $23.07 | 1 |
| Exact Sciences Corporation | $22.13 | 1 |
| Glaxosmithkline, LLC. | $20.56 | 1 |
| Abbott Laboratories | $18.25 | 1 |
| Dexcom, Inc. | $17.11 | 1 |
What the 2025 payments were for
- Food and Beverage$115.25 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 85 internal medicine physicians in Williamsville · All internal medicine physicians in New York