Claire Muzhi Xu, MD - Medicare Internal Medicine in Baltimore, MD

Claire Muzhi Xu, MD is a medicare enrolled "Hospitalist" physician in Baltimore, Maryland. She graduated from medical school in 2014 and has 10 years of diverse experience with area of expertise as Internal Medicine. She is a member of the group practice University Of Maryland Physicians P.a. and her current practice location is 22 S Greene St, Baltimore, Maryland. You can reach out to her office (for appointments etc.) via phone at (410) 328-7943.

Claire Muzhi Xu is licensed to practice in Maryland (license number D83012) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1194143768.

Contact Information

Claire Muzhi Xu, MD
22 S Greene St,
Baltimore, MD 21201-1590
(410) 328-7943
(410) 328-3494

Map and Direction




Physician's Profile

Full NameClaire Muzhi Xu
GenderFemale
SpecialityInternal Medicine
Experience10 Years
Location22 S Greene St, Baltimore, Maryland
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Claire Muzhi Xu graduated from medical school in 2014
  NPI Data:
  • NPI Number: 1194143768
  • Provider Enumeration Date: 04/01/2014
  • Last Update Date: 10/08/2018
  Medicare PECOS Information:
  • PECOS PAC ID: 7517265986
  • Enrollment ID: I20170713000609

Medical Identifiers

Medical identifiers for Claire Muzhi Xu such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1194143768NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine D83012 (Maryland)Secondary
208M00000XHospitalist D83012 (Maryland)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
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. Claire Muzhi Xu allows following entities to bill medicare on her 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. Claire Muzhi Xu 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
Claire Muzhi Xu, MD
22 S Greene St, Room N3e09,
Baltimore, MD 21201-1544

Ph: (410) 328-6110
Claire Muzhi Xu, MD
22 S Greene St,
Baltimore, MD 21201-1590

Ph: (410) 328-7943

Reviews and Comments


Hospitalist Doctors in Baltimore, MD

Cheryl Myers Hepp, MD
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Practice Location: 22 S Greene St, Baltimore, MD 21201
Phone: 410-328-2882    Fax: 410-328-7607
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Sumedha Nallamothu, M.B.B.S
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Dr. Nejat Ahmed Mohammed, MD
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Mahyar Toofantabrizi,
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Practice Location: 9000 Franklin Square Dr, Baltimore, MD 21237
Phone: 443-777-7000    
Lee-ann Marie Wagner, MD
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Medicare: Accepting Medicare Assignments
Practice Location: 22 S Greene St, Baltimore, MD 21201
Phone: 410-328-2882    Fax: 410-328-7607
Adina Cappell, M.D.
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Medicare: Accepting Medicare Assignments
Practice Location: 2200 Kernan Dr, Baltimore, MD 21207
Phone: 410-448-2500    

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.