Donna Joan Hagberg, M.D.
NPI 1578691465ActiveIndividual· Specialist· Cos Cob, CT
Opted out of Medicare from April 2022 to April 2028. Specialist (M.D.) in Cos Cob, Connecticut, with an NPI issued in March 2007. Part D covered 554 prescriptions written in 2024, 78% of them generic. Millicent US Inc was the largest of 5 companies reporting payments in 2025, $440.17 in all, mostly food and beverage.
Overview
| NPI | 1578691465 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Mar 1, 2007 |
| Last updated in NPPES | Jan 15, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Specialist Primary | 174400000X | — | — |
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) | Not in the public enrollment file of Oct 1, 2026 |
|---|---|
| Opt-out | Opted out Apr 8, 2022 – Apr 8, 2028 |
| Can order and refer | Yes |
During an opt-out period the provider sees Medicare patients only under private contracts, and Medicare does not pay claims for their services.
Part D prescriptions in 2024
| Prescriptions (claims) | 554 · 1,166 30-day fills |
|---|---|
| Patients | 153 |
| Total drug cost | $83,455 |
| Generic share | 78% of claims |
Industry payments (Open Payments)
- 2025$440.17 · 12 payments from 5 companies
- 2024$103.64 · 5 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Millicent US Inc | $249.31 | 4 |
| Astellas Pharma US Inc | $106.21 | 4 |
| Exact Sciences Corporation | $34.53 | 1 |
| Bayer Healthcare Pharmaceuticals Inc. | $32.07 | 2 |
| Currax Pharmaceuticals LLC | $18.05 | 1 |
What the 2025 payments were for
- Food and Beverage$260.17 · 11 payments
- Education$180.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Specialist providers in Cos Cob
- 1114942133