Matthew R. Weir, M.D.
NPI 1316985237ActiveIndividual· Internal Medicine, Nephrology· Baltimore, MD
Internal Medicine, Nephrology (M.D.) in Baltimore, Maryland, trained at University of Virginia School of Medicine (class of 1978). 203 Medicare patients in 2024, $166,837 paid; nearly all of their 1,307 Part D prescriptions were generic (90%). Novo Nordisk Inc was the largest of 15 companies reporting payments in 2025, $58,943 in all, mostly consulting fees.
Overview
| NPI | 1316985237 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 3, 2006 |
| Last updated in NPPES | Nov 23, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | D29710 | MD |
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 - Nephrology (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 203 |
|---|---|
| Services billed | 933 across 8 procedure codes |
| Paid by Medicare | $166,837 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,307 · 2,950 30-day fills |
|---|---|
| Patients | 118 |
| Total drug cost | $197,520 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | University of Virginia School of Medicine |
|---|---|
| Graduation year | 1978 |
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- University of Maryland Physicians PABaltimore, MD · 404 clinicians
Hospital affiliation
- University of Maryland Medical CenterBaltimore, MD
Other facilities
- Concerto Maryland, LLCDialysis facility · Port Deposit, MD
- Davita Greenmount Central DialysisDialysis facility · Baltimore, MD
- Davita Kidney Home Downtown at HomeDialysis facility · Baltimore, MD
- Davita Towson Home TrainingDialysis facility · Towson, MD
Industry payments (Open Payments)
- 2025$58,943 · 69 payments from 15 companies
- 2024$126,374 · 75 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $32,909 | 23 |
| Bayer Healthcare Pharmaceuticals Inc. | $9,439 | 15 |
| Corcept Therapeutics | $8,044 | 13 |
| Idorsia Pharmaceuticals US Inc | $4,935 | 1 |
| Genzyme Corporation | $1,000 | 1 |
What the 2025 payments were for
- Consulting Fee$27,917 · 10 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$24,290 · 10 payments
- Travel and Lodging$2,893 · 13 payments
- Food and Beverage$2,843 · 35 payments
- Grant$1,000 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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