Douglas W. Laidlaw, M.D.
NPI 1124167911ActiveIndividual· Internal Medicine, Clinical Cardiac Electrophysiology· Worcester, MA
Internal Medicine, Clinical Cardiac Electrophysiology (M.D.) in Worcester, Massachusetts, trained at Icahn School of Medicine at Mount Sinai (class of 2001). Their prescriptions cost Medicare Part D more than their services did: $435,272 for 1,275 claims, against $92,595 paid for services in 2024. Pfizer Inc. was the largest of 11 companies reporting payments in 2025, $703.98 in all, mostly food and beverage.
Overview
| NPI | 1124167911 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Feb 6, 2007 |
| Last updated in NPPES | May 28, 2024 |
| Certified by provider | May 28, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Clinical Cardiac Electrophysiology Primary | 207RC0001X | 220099 | MA |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | 220099 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Cardiac Electrophysiology (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 636 |
|---|---|
| Services billed | 1,783 across 63 procedure codes |
| Paid by Medicare | $92,595 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,275 · 3,207 30-day fills |
|---|---|
| Patients | 221 |
| Total drug cost | $435,272 |
| Generic share | 71% of claims |
Education and affiliations
| Medical school | Icahn School of Medicine at Mount Sinai |
|---|---|
| Graduation year | 2001 |
| Medicare specialty | Cardiac Electrophysiology |
| Secondary specialties | Cardiovascular Disease (Cardiology) |
| Telehealth | Offers telehealth |
Medical group
- Reliant Medical Group IncWorcesteer, MA · 640 clinicians
Hospital affiliation
- St Vincent HospitalWorcester, MA
Industry payments (Open Payments)
- 2025$703.98 · 35 payments from 11 companies
- 2024$920.15 · 38 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $174.81 | 10 |
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $130.41 | 6 |
| Amgen Inc. | $96.80 | 4 |
| E.R. Squibb & Sons, L.L.C. | $86.02 | 4 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $65.31 | 3 |
What the 2025 payments were for
- Food and Beverage$703.98 · 35 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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