Terri M. McMillan, MD
NPI 1104036813ActiveIndividual· Allergy & Immunology· Beavercreek, OH
Allergy & Immunology (MD) in Beavercreek, Ohio, trained at Washington College of Physicians and Surgeons (class of 2006). Their prescriptions cost Medicare Part D more than their services did: $1,090,586 for 1,274 claims, against $235,617 paid for services in 2024. Genzyme Corporation was the largest of 9 companies reporting payments in 2025, $272.79 in all, mostly food and beverage.
Overview
| NPI | 1104036813 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 23, 2007 |
| Last updated in NPPES | Oct 20, 2026 |
| Certified by provider | Oct 20, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Allergy & Immunology Primary | 207K00000X | 35.092899 | OH |
| Allergy & Immunology, Allergy | 207KA0200X | 35.092899 | OH |
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 (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 350 |
|---|---|
| Services billed | 13,616 across 37 procedure codes |
| Paid by Medicare | $235,617 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,274 · 2,199 30-day fills |
|---|---|
| Patients | 297 |
| Total drug cost | $1,090,586 |
| Generic share | 69% of claims |
Education and affiliations
| Medical school | Washington College of Physicians and Surgeons |
|---|---|
| Graduation year | 2006 |
| Medicare specialty | Allergy/Immunology |
| Secondary specialties | Pediatric Medicine |
Medical group
- Ohio Allergy Associates, Inc.Centerville, OH · 4 clinicians
Hospital affiliations
- Kettering Health DaytonDayton, OH
- Miami Valley HospitalDayton, OH
Industry payments (Open Payments)
- 2025$272.79 · 13 payments from 9 companies
- 2024$1,325 · 46 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genzyme Corporation | $56.70 | 2 |
| Novartis Pharmaceuticals Corporation | $54.99 | 3 |
| Csl Behring | $40.58 | 2 |
| Amgen Inc. | $34.00 | 1 |
| Glaxosmithkline, LLC. | $20.99 | 1 |
What the 2025 payments were for
- Food and Beverage$238.79 · 12 payments
- Education$34.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Allergy & Immunology providers in Beavercreek
- 1780665430