Matthew Louis Baer, MD, PHD
NPI 1861978082ActiveIndividual· Psychiatry & Neurology, Neuromuscular Medicine· Elgin, IL
Psychiatry & Neurology, Neuromuscular Medicine (MD, PHD) in Elgin, Illinois, trained at Virginia Commonwealth University, School of Medicine (class of 2018). Their prescriptions cost Medicare Part D more than their services did: $248,483 for 1,004 claims, against $121,131 paid for services in 2024. Abbvie Inc. was the largest of 42 companies reporting payments in 2025, $6,996 in all, mostly food and beverage.
Overview
| NPI | 1861978082 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD, PHD |
| Sole proprietor | No |
| NPI issued | Jul 11, 2018 |
| Last updated in NPPES | Aug 4, 2023 |
| Certified by provider | Aug 4, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Neuromuscular Medicine Primary | 2084N0008X | 036166028 | IL |
| Psychiatry & Neurology, Neurology | 2084N0400X | 036166028 | IL |
| Psychiatry & Neurology, Neurology | 2084N0400X | 2021001539 | MO |
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 - Neurology (AR); Practitioner - Neurology (IL); Practitioner - Neurology (IN); Practitioner - Neurology (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 371 |
|---|---|
| Services billed | 3,220 across 73 procedure codes |
| Paid by Medicare | $121,131 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,004 · 2,087 30-day fills |
|---|---|
| Patients | 273 |
| Total drug cost | $248,483 |
| Generic share | 95% of claims |
Education and affiliations
| Medical school | Virginia Commonwealth University, School of Medicine |
|---|---|
| Graduation year | 2018 |
| Medicare specialty | Neurology |
| Secondary specialties | Psychiatry |
| Telehealth | Offers telehealth |
Medical groups
- Dupage Medical Group LtdWinfield, IL · 1,322 clinicians
- Arkansas Health GroupLittle Rock, AR · 659 clinicians
Hospital affiliations
- Baptist Health Medical Center North Little RockNorth Little Rock, AR
- Baptist Health Medical Center-Little RockLittle Rock, AR
- Northwestern Medicine Central Dupage HospitalWinfield, IL
- St Alexius Medical CenterHoffman Estates, IL
Industry payments (Open Payments)
- 2025$6,996 · 310 payments from 42 companies
- 2024$5,384 · 186 payments from 26 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $1,396 | 61 |
| Novartis Pharmaceuticals Corporation | $609.34 | 35 |
| Ucb, Inc. | $498.68 | 17 |
| Pfizer Inc. | $495.42 | 41 |
| Argenx US, Inc. | $336.04 | 7 |
What the 2025 payments were for
- Food and Beverage$6,721 · 304 payments
- Education$275.26 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records