Chelsea Michaud, DO
NPI 1073878468ActiveIndividual· Allergy & Immunology· Portland, ME
Allergy & Immunology (DO) with Allergy and Asthma Associates of Maine, practicing in Portland, Maine. Their prescriptions cost Medicare Part D more than their services did: $712,111 for 1,009 claims, against $46,573 paid for services in 2024. Regeneron Healthcare Solutions, Inc. was the largest of 17 companies reporting payments in 2025, $2,445 in all, mostly food and beverage. Lists Mainehealth Maine Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1073878468 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Jul 11, 2012 |
| Last updated in NPPES | Aug 11, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Allergy & Immunology Primary | 207K00000X | DO02711 | ME |
| Internal Medicine | 207R00000X | DO2711 | ME |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (ME) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 151 |
|---|---|
| Services billed | 2,572 across 33 procedure codes |
| Paid by Medicare | $46,573 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,009 · 1,390 30-day fills |
|---|---|
| Patients | 165 |
| Total drug cost | $712,111 |
| Generic share | 43% of claims |
Education and affiliations
| Graduation year | 2012 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Allergy/Immunology |
| Telehealth | Offers telehealth |
Medical group
- Allergy and Asthma Associates of MainePortland, ME · 7 clinicians
Hospital affiliations
- Mainehealth Maine Medical CenterPortland, ME
- Mainehealth Mid Coast HospitalBrunswick, ME
Industry payments (Open Payments)
- 2025$2,445 · 115 payments from 17 companies
- 2024$1,735 · 89 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Regeneron Healthcare Solutions, Inc. | $576.12 | 25 |
| Genzyme Corporation | $440.92 | 18 |
| Astrazeneca Pharmaceuticals LP | $290.67 | 19 |
| Novartis Pharmaceuticals Corporation | $199.53 | 14 |
| Takeda Pharmaceuticals U.S.A., Inc. | $184.37 | 10 |
What the 2025 payments were for
- Food and Beverage$2,291 · 113 payments
- Education$154.33 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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