Dr Matthew R Weir, MD - Medicare Nephrology in Baltimore, MD

Dr Matthew R Weir, MD is a medicare enrolled "Internal Medicine - Nephrology" physician in Baltimore, Maryland. He went to University Of Virginia School Of Medicine and graduated in 1978 and has 46 years of diverse experience with area of expertise as Nephrology. He is a member of the group practice University Of Maryland Physicians P.a. and his current practice location is 22 S Greene St, Baltimore, Maryland. You can reach out to his office (for appointments etc.) via phone at (410) 328-5720.

Dr Matthew R Weir is licensed to practice in Maryland (license number D29710) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1316985237.

Contact Information

Dr Matthew R Weir, MD
22 S Greene St,
Baltimore, MD 21201-1544
(410) 328-5720
(410) 328-5685

Map and Direction




Physician's Profile

Full NameDr Matthew R Weir
GenderMale
SpecialityNephrology
Experience46 Years
Location22 S Greene St, Baltimore, Maryland
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Matthew R Weir attended and graduated from University Of Virginia School Of Medicine in 1978
  NPI Data:
  • NPI Number: 1316985237
  • Provider Enumeration Date: 06/03/2006
  • Last Update Date: 11/23/2010
  Medicare PECOS Information:
  • PECOS PAC ID: 6709780422
  • Enrollment ID: I20101110000982

Medical Identifiers

Medical identifiers for Dr Matthew R Weir such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1316985237NPI-NPPES
329421800MedicaidMD
0191818000MedicaidWV
001105601MedicaidDE
053850700MedicaidDC

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RN0300XInternal Medicine - Nephrology D29710 (Maryland)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Home Dialysis Of Maryland LlcHalethorpe, MDDialysis facility
Kidney Home Center, LlcBaltimore, MDDialysis facility
University Of Maryland Medical CenterBaltimore, MDHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
University Of Maryland Physicians P.a.2769394808310

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr Matthew R Weir allows following entities to bill medicare on his behalf.
Entity NameUniversity Of Maryland Physicians P.a.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1689623175
PECOS PAC ID: 2769394808
Enrollment ID: O20031105000792

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr Matthew R Weir is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Dr Matthew R Weir, MD
Po Box 64442,
Baltimore, MD 21264-4442

Ph: (410) 328-5720
Dr Matthew R Weir, MD
22 S Greene St,
Baltimore, MD 21201-1544

Ph: (410) 328-5720

Reviews and Comments


Internal Medicine Doctors in Baltimore, MD

Dr. Leonard Anang Sowah, M.D.
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Practice Location: 22 S Greene St, Baltimore, MD 21201
Phone: 410-706-4619    Fax: 410-706-2062
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Practice Location: 2700 Quarry Lake Dr, Suite 280, Baltimore, MD 21209
Phone: 410-469-5544    Fax: 410-585-2867
Dr. Susrutha Kotwal, MD
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Dr. Mitesh G Trambadia, M.D.
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Practice Location: 6701 N Charles St Ste 5218, Baltimore, MD 21204
Phone: 443-849-3786    
Ronak K Patel, M.D.
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Medicare: Accepting Medicare Assignments
Practice Location: 201 E University Pkwy, Baltimore, MD 21218
Phone: 410-554-2000    

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.