Maria Adelaida Slack, M.D.
NPI 1831325661ActiveIndividual· Allergy & Immunology· Findlay, OH
Allergy & Immunology (M.D.) in Findlay, Ohio, trained at University of Oklahoma College of Medicine (class of 2009). Their prescriptions cost Medicare Part D more than their services did: $1,039,308 for 685 claims, against $51,602 paid for services in 2024. Glaxosmithkline, LLC. was the largest of 3 companies reporting payments in 2025, $380.36 in all, mostly food and beverage.
Overview
| NPI | 1831325661 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jun 8, 2009 |
| Last updated in NPPES | Apr 3, 2024 |
| Certified by provider | Apr 3, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Allergy & Immunology Primary | 207K00000X | 35.099962 | OH |
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 - Allergy/Immunology (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 199 |
|---|---|
| Services billed | 6,183 across 31 procedure codes |
| Paid by Medicare | $51,602 |
Part D prescriptions in 2024
| Prescriptions (claims) | 685 · 1,011 30-day fills |
|---|---|
| Patients | 167 |
| Total drug cost | $1,039,308 |
| Generic share | 65% of claims |
Education and affiliations
| Medical school | University of Oklahoma College of Medicine |
|---|---|
| Graduation year | 2009 |
| Medicare specialty | Allergy/Immunology |
Medical group
- Specialty Physicians of Blanchard Valley LLCFindlay, OH · 113 clinicians
Hospital affiliations
- Blanchard Valley HospitalFindlay, OH
- Bluffton HospitalBluffton, OH
- Wyandot Memorial HospitalUpper Sandusky, OH
Industry payments (Open Payments)
- 2025$380.36 · 7 payments from 3 companies
- 2024$203.16 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $152.21 | 5 |
| Genentech USA, Inc. | $125.00 | 1 |
| Ars Pharmaceuticals Operations, Inc. | $103.15 | 1 |
What the 2025 payments were for
- Food and Beverage$380.36 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Allergy & Immunology providers in Findlay
- 1104082957