Physician Profile
Unclaimed ProfileAbout WEIR
Based in Baltimore, MD, Matthew R Weir, M.D. is listed in the NPI registry under nephrology. Matthew graduated from University of Virginia School of Medicine in 1978. Medicare claims data shows Matthew provided 912 services to 319 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (410) 328-5720
- Email not available
Practice Locations
22 S GREENE ST
Baltimore, MD 21201
Procedures Most Often Billed to Medicare
912 services · 319 patients · 8 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Home dialysis services per month (20 years or older) | Treatment | 90966 |
320 |
| Dialysis services, 4 or more physician visits per month (20 years or older) | Treatment | 90960 |
207 |
| Dialysis services, 2-3 physician visits per month (20 years or older) | Treatment | 90961 |
21 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
105 |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
102 |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
73 |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
71 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
13 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other nephrology specialists in Baltimore 8
Same specialty, same city.
Trained at University of Virginia School of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1978 at University of Virginia School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Home dialysis services per month (20 years or older) 8
Providers in MD who bill this service to Medicare most often.
Common questions
What is Dr. Weir's specialty?
Dr. Weir is a nephrology in Baltimore, MD. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “NEPHROLOGY”.
NPI registry
Where can I find Dr. Weir?
Dr. Weir is listed at 22 S GREENE ST, Baltimore, MD 21201. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Weir?
The number on file is (410) 328-5720. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Weir?
Dr. Weir's National Provider Identifier is 1316985237. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Dr. Weir's medical education?
Dr. Weir attended University of Virginia School of Medicine, graduating in 1978. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Weir have?
Dr. Weir has 48 years experience. Calculated from a graduation year of 1978, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Weir known for?
According to Medicare billing data, Dr. Weir provides treatments such as home dialysis services per month and dialysis services, 4 or more physician visits per month, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Weir's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Weir. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.