Tad David Baum, M.D.
NPI 1770597502ActiveIndividual· Ophthalmology· Leominster, MA
Ophthalmology (M.D.) in Leominster, Massachusetts, trained at University of Massachusetts Medical School (class of 1990). Their prescriptions cost Medicare Part D more than their services did: $450,529 for 3,738 claims, against $237,018 paid for services in 2024. Sight Sciences, Inc. reported $30.53 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1770597502 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jul 28, 2006 |
| Last updated in NPPES | Dec 28, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | 150333 | MA |
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 - Ophthalmology (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,323 |
|---|---|
| Services billed | 2,974 across 33 procedure codes |
| Paid by Medicare | $237,018 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,738 · 6,760 30-day fills |
|---|---|
| Patients | 653 |
| Total drug cost | $450,529 |
| Generic share | 72% of claims |
Education and affiliations
| Medical school | University of Massachusetts Medical School |
|---|---|
| Graduation year | 1990 |
| Medicare specialty | Ophthalmology |
Hospital affiliation
- Umass Memorial Healthalliance HospitalsLeominster, MA
Industry payments (Open Payments)
- 2025$30.53 · 2 payments from 1 company
- 2024$13.81 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sight Sciences, Inc. | $30.53 | 2 |
What the 2025 payments were for
- Food and Beverage$30.53 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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