Doctor profile · Federal record
Dr. Matthew Weir, M.D.
Nephrology Physician (CMS: Nephrology) · Baltimore, MD
- NPI 1316985237
- Accepts Medicare
- 48 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
22 S Greene St
Baltimore, MD 212011544
(410) 328-5720
fax (410) 328-5685 - Mailing address
-
Po Box 64442
Baltimore, MD 212644442
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- November 23, 2010
- Year of graduation
- 1978 — 48 yrs since
- Specialty taxonomy
- 207RN0300X — NUCC code
- State license (1)
- Maryland #D29710
- Medicaid (4)
- MD #329421800 · WV #0191818000 · DE #001105601 · DC #053850700
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1316985237. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
712
Distinct HCPCS
7
Medicare allowed
$191,329
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
90966 |
Home dialysis services per month (20 years or older) | 241 | 57 | $314 | |
90960 |
Dialysis services, 4 or more physician visits per month (20 years or older) | 203 | 39 | $373 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 93 | 44 | $135 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 76 | 41 | $152 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 65 | 37 | $103 | |
90961 |
Dialysis services, 2-3 physician visits per month (20 years or older) | 20 | 15 | $307 | |
90962 |
Dialysis services, 1 physician visit per month (20 years or older) | 14 | 12 | $211 |
In context: peer comparison
Among 45 peers in this city , average services per provider: 110. This provider delivers 6.5× the peer median.Open Payments
Industry payments received
All-time total
$126,374
Transactions
68
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Seqirus USA Inc | 2 | $33,471.43 | |
| Alexion Pharmaceuticals, Inc. | 13 | $30,878.04 | |
| Novo Nordisk Inc | 14 | $20,932.51 | |
| Corcept Therapeutics | 8 | $14,350.24 | |
| Regeneron Pharmaceuticals, Inc. | 10 | $13,909.10 | |
| Bayer Healthcare Pharmaceuticals Inc. | 4 | $4,897.95 | |
| IDORSIA PHARMACEUTICALS US INC | 1 | $2,820.00 | |
| AstraZeneca Pharmaceuticals LP | 1 | $1,960.00 | |
| Alnylam Pharmaceuticals Inc. | 5 | $1,025.51 | |
| Merck Sharp & Dohme LLC | 1 | $1,000.00 | |
| Vifor Pharma, Inc. | 4 | $441.84 | |
| Novartis Pharmaceuticals Corporation | 2 | $188.95 | |
| Sanara MedTech Inc. | 1 | $149.87 | |
| CALLIDITAS THERAPEUTICS US INC. | 1 | $143.03 | |
| CorMedix Inc. | 1 | $123.30 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
742
Patients
130
Total drug cost
$31,626
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Doxazosin Mesylate | Generic | 113 | 23 | $2,314 |
| Amlodipine Besylate | Generic | 102 | 27 | $1,078 |
| Hydrochlorothiazide | Generic | 86 | 26 | $461 |
| Prednisone | Generic | 60 | 15 | $359 |
| Atorvastatin Calcium | Generic | 53 | 16 | $852 |
| Cinacalcet Hcl | Generic | 46 | 0 | $16,565 |
| Prosol (Parenteral Amino Acid 20% No.1) | Brand | 46 | 0 | $5,241 |
| Lisinopril | Generic | 38 | 12 | $441 |
| Metoprolol Succinate | Generic | 38 | 0 | $535 |
| Carvedilol | Generic | 32 | 11 | $475 |
Frequently asked questions
What is Dr. Matthew Weir's medical specialty?
Dr. Matthew Weir practices Nephrology Physician in Baltimore, MD.
Where does Dr. Matthew Weir practice?
Dr. Matthew Weir practices at 22 S Greene St, Baltimore, MD 212011544. Office phone: 4103285720.
What is Dr. Matthew Weir's NPI?
Dr. Matthew Weir's National Provider Identifier (NPI) is 1316985237, issued by NPPES.
Does Dr. Matthew Weir accept Medicare assignment?
Yes. Dr. Matthew Weir accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Matthew Weir commonly perform?
Top Medicare-reported procedures in 2023: Home dialysis services per month (20 years or older) (HCPCS 90966); Dialysis services, 4 or more physician visits per month (20 years or older) (HCPCS 90960); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.