Maria Pilar Elisa T. Dayaw, MD
NPI 1831283118ActiveIndividual· Psychiatry & Neurology, Neurology· Hopedale, MA
Psychiatry & Neurology, Neurology (MD) with Greater Milford Neurology LLC, practicing in Hopedale, Massachusetts. Their prescriptions cost Medicare Part D more than their services did: $3,552,393 for 2,969 claims, against $108,337 paid for services in 2024. Eisai Inc. was the largest of 41 companies reporting payments in 2025, $38,575 in all, mostly compensation for serving as faculty or as a speaker for a me. Lists Milford Regional Medical Center and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1831283118 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Oct 3, 2006 |
| Last updated in NPPES | Nov 9, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Neurology Primary | 2084N0400X | 219276 | 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 - Neurology (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 261 |
|---|---|
| Services billed | 1,644 across 23 procedure codes |
| Paid by Medicare | $108,337 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,969 · 4,714 30-day fills |
|---|---|
| Patients | 275 |
| Total drug cost | $3,552,393 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 1993 |
|---|---|
| Medicare specialty | Neurology |
| Telehealth | Offers telehealth |
Medical group
- Greater Milford Neurology LLCMilford, MA · 5 clinicians
Hospital affiliations
- Milford Regional Medical CenterMilford, MA
- Umass Memorial Health - Harrington HospitalSouthbridge, MA
- Umass Memorial Medical Center/University CampusWorcester, MA
Industry payments (Open Payments)
- 2025$38,575 · 393 payments from 41 companies
- 2024$25,681 · 372 payments from 41 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Eisai Inc. | $20,349 | 48 |
| Ani Pharmaceuticals, Inc. | $8,322 | 14 |
| E.R. Squibb & Sons, L.L.C. | $1,924 | 3 |
| Biogen, Inc. | $1,058 | 35 |
| Abbvie Inc. | $887.93 | 43 |
What the 2025 payments were for
- Compensation for serving as faculty or as a speaker for a medical education program$10,768 · 10 payments
- Food and Beverage$8,915 · 354 payments
- Honoraria$8,075 · 4 payments
- Travel and Lodging$5,712 · 17 payments
- Consulting Fee$3,133 · 4 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$1,760 · 1 payment
- Education$213.49 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Psychiatry & Neurology, Neurology providers in Hopedale
- 1366856239
- 1376643478
- 1184658825
All Psychiatry & Neurology, Neurology providers in Massachusetts →