Marc Lawrence Dyer, MD
NPI 1144341918ActiveIndividual· Allergy & Immunology· Laguna Niguel, CA
Allergy & Immunology (MD) in Laguna Niguel, California, trained at University of Southern California Keck School of Medicine (class of 1998). Their prescriptions cost Medicare Part D more than their services did: $282,587 for 821 claims, against $187,161 paid for services in 2024. Genzyme Corporation was the largest of 5 companies reporting payments in 2025, $761.20 in all, mostly food and beverage.
Overview
| NPI | 1144341918 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Apr 2, 2007 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Allergy & Immunology Primary | 207K00000X | A70766 | CA |
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 - Allergy/Immunology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 190 |
|---|---|
| Services billed | 9,141 across 19 procedure codes |
| Paid by Medicare | $187,161 |
Part D prescriptions in 2024
| Prescriptions (claims) | 821 · 1,263 30-day fills |
|---|---|
| Patients | 186 |
| Total drug cost | $282,587 |
| Generic share | 64% of claims |
Education and affiliations
| Medical school | University of Southern California Keck School of Medicine |
|---|---|
| Graduation year | 1998 |
| Medicare specialty | Allergy/Immunology |
| Secondary specialties | Pediatric Medicine |
Industry payments (Open Payments)
- 2025$761.20 · 35 payments from 5 companies
- 2024$445.51 · 21 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genzyme Corporation | $407.50 | 17 |
| Regeneron Healthcare Solutions, Inc. | $218.72 | 12 |
| Novartis Pharmaceuticals Corporation | $60.30 | 3 |
| Csl Behring | $46.34 | 2 |
| Ars Pharmaceuticals Operations, Inc. | $28.34 | 1 |
What the 2025 payments were for
- Food and Beverage$761.20 · 35 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Allergy & Immunology providers in Laguna Niguel
- 1710007463
- 1225106255