Mark Waynik, MD
NPI 1588738256ActiveIndividual· Psychiatry & Neurology, Psychiatry· Fairfield, CT
Psychiatry & Neurology, Psychiatry (MD) in Fairfield, Connecticut, trained at Washington University School of Medicine (class of 1974). Their prescriptions cost Medicare Part D more than their services did: $1,493,199 for 11,103 claims, against $155,684 paid for services in 2024. Neurocrine Biosciences, Inc. was the largest of 20 companies reporting payments in 2025, $7,940 in all, mostly food and beverage.
Overview
| NPI | 1588738256 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 17, 2006 |
| Last updated in NPPES | Oct 18, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Psychiatry Primary | 2084P0800X | 024277 | CT |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Psychiatry (CT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 356 |
|---|---|
| Services billed | 1,889 across 11 procedure codes |
| Paid by Medicare | $155,684 |
Part D prescriptions in 2024
| Prescriptions (claims) | 11,103 · 16,021 30-day fills |
|---|---|
| Patients | 693 |
| Total drug cost | $1,493,199 |
| Generic share | 93% of claims |
Education and affiliations
| Medical school | Washington University School of Medicine |
|---|---|
| Graduation year | 1974 |
| Medicare specialty | Psychiatry |
| Telehealth | Offers telehealth |
Medical group
- Cyril Waynik MD PCFairfield, CT · 9 clinicians
Industry payments (Open Payments)
- 2025$7,940 · 365 payments from 20 companies
- 2024$7,564 · 340 payments from 22 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Neurocrine Biosciences, Inc. | $1,037 | 32 |
| Otsuka America Pharmaceutical, Inc. | $950.15 | 44 |
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $810.20 | 29 |
| Abbvie Inc. | $773.02 | 36 |
| Corium, LLC | $608.48 | 30 |
What the 2025 payments were for
- Food and Beverage$7,940 · 365 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Psychiatry & Neurology, Psychiatry providers in Fairfield
- 1205077542
- 1437708708
- 1417324229
- 1467675850
- 1528481090
- 1275948887
- 1891205761
- 1548432164
- 1740020007
- 1780855320
- 1255382396
- 1902838329
All Psychiatry & Neurology, Psychiatry providers in Connecticut →