Mark E. Dailey, M.D.
NPI 1689600629ActiveIndividual· Internal Medicine, Hematology & Oncology· Hartford, CT
Internal Medicine, Hematology & Oncology (M.D.) in Hartford, Connecticut, trained at University of Connecticut School of Medicine (class of 1988). Their prescriptions cost Medicare Part D more than their services did: $6,110,019 for 959 claims, against $77,951 paid for services in 2024. Celgene Corporation reported $28.11 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1689600629 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 23, 2006 |
| Last updated in NPPES | Aug 7, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 034547 | 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 - Medical Oncology (CT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 261 |
|---|---|
| Services billed | 912 across 11 procedure codes |
| Paid by Medicare | $77,951 |
Part D prescriptions in 2024
| Prescriptions (claims) | 959 · 1,388 30-day fills |
|---|---|
| Patients | 148 |
| Total drug cost | $6,110,019 |
| Generic share | 54% of claims |
Education and affiliations
| Medical school | University of Connecticut School of Medicine |
|---|---|
| Graduation year | 1988 |
| Medicare specialty | Medical Oncology |
| Secondary specialties | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical groups
- Hartford HospitalHartford, CT · 1,044 clinicians
- McLean FundSimsbury, CT · 108 clinicians
Hospital affiliations
- Hartford HospitalHartford, CT
- William W Backus HospitalNorwich, CT
Industry payments (Open Payments)
- 2025$28.11 · 1 payment from 1 company
- 2024$17.02 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Celgene Corporation | $28.11 | 1 |
What the 2025 payments were for
- Food and Beverage$28.11 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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