Dr Mary Rui Yu, MD - Medicare Emergency Medicine in Saint Louis, MO

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Dr Mary Rui Yu, MD is a medicare enrolled "Emergency Medicine" physician in Saint Louis, Missouri. She went to Rush Medical College Of Rush University and graduated in 2014 and has 10 years of diverse experience with area of expertise as Emergency Medicine. She is a member of the group practice Mercy Hospital Jefferson, Southeastern Emergency Physicians Of Memphis Llc and her current practice location is 1 Barnes-jewish Hospital Plaza, Barnes-jewish Hospital, Saint Louis, Missouri. You can reach out to her office (for appointments etc.) via phone at (314) 362-5000.

Dr Mary Rui Yu is licensed to practice in Missouri (license number 2016011166) 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 1861807026.

Contact Information

Dr Mary Rui Yu, MD
1 Barnes-jewish Hospital Plaza, Barnes-jewish Hospital,
Saint Louis, MO 63110-1010
(314) 362-5000
Not Available

Map and Direction




Physician's Profile

Full NameDr Mary Rui Yu
GenderFemale
SpecialityEmergency Medicine
Experience10 Years
Location1 Barnes-jewish Hospital Plaza, Saint Louis, Missouri
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:
  • Dr Mary Rui Yu attended and graduated from Rush Medical College Of Rush University in 2014
  NPI Data:
  • NPI Number: 1861807026
  • Provider Enumeration Date: 06/26/2014
  • Last Update Date: 08/10/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 9335369743
  • Enrollment ID: I20170519000257

Medical Identifiers

Medical identifiers for Dr Mary Rui Yu such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1861807026NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine 2016011166 (Missouri)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Mercy Hospital JeffersonFestus, MOHospital
Christian Hospital NortheastSaint louis, MOHospital
Mercy Hospital LincolnTroy, MOHospital
Parkland Health Center - Bonne TerreBonne terre, MOHospital
Parkland Health CenterFarmington, MOHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Mercy Hospital Jefferson12542482719
Southeastern Emergency Physicians Of Memphis Llc539564320988

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 Mary Rui Yu allows following entities to bill medicare on her behalf.
Entity NameMercy Hospital Jefferson
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1508859661
PECOS PAC ID: 1254248271
Enrollment ID: O20050518000926
Entity NameSoutheastern Emergency Physicians Of Memphis Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1437105277
PECOS PAC ID: 5395643209
Enrollment ID: O20060711000434
Entity NameCep America Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1619332046
PECOS PAC ID: 6608056171
Enrollment ID: O20150312000325
Entity NamePotosi Emergency Group, Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1881075349
PECOS PAC ID: 0648588541
Enrollment ID: O20150925001293
Entity NameMercy Aco Clinical Services Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1063965093
PECOS PAC ID: 6901188572
Enrollment ID: O20170117001888
Entity NameMercy Hospital Perry
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1063117158
PECOS PAC ID: 1153777826
Enrollment ID: O20231101001515
Entity NameMercy Hospital Perry
Entity TypePart A Provider - Critical Access Hospital
Entity IdentifiersNPI Number: 1063117158
PECOS PAC ID: 1153777826
Enrollment ID: O20231106001433

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 Mary Rui Yu 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 Mary Rui Yu, MD
660 S Euclid Ave, Washington University,
Saint Louis, MO 63110-1010

Ph: (314) 362-5000		Dr Mary Rui Yu, MD
1 Barnes-jewish Hospital Plaza, Barnes-jewish Hospital,
Saint Louis, MO 63110-1010

Ph: (314) 362-5000

Reviews and Comments


Emergency Medicine Doctors in Saint Louis, MO

Sean Oliver Cavanaugh, MD
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Dr. Jose I Alvarez, MD
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Phone: 314-768-3090    Fax: 314-768-3031
Addie Burtle, MD
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Medicare: Not Enrolled in Medicare
Practice Location: 1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110
Phone: 314-362-9177    
Dr. Opeolu Makanju Adeoye, MD
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Medicare: Accepting Medicare Assignments
Practice Location: 1 Barnes Jewish Hospital Plz, Dept Emergency Med, Saint Louis, MO 63110
Phone: 314-362-9123    Fax: 314-362-0478

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.