Michael E Rau, MD - Medicare Internal Medicine in Washington, MO

Michael E Rau, MD is a medicare enrolled "Internal Medicine" physician in Washington, Missouri. He went to University Of Missouri, Columbia School Of Medicine and graduated in 1983 and has 41 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Legacy Healthcare Services Inc, Mercy Clinic East Communities and his current practice location is 901 Patients First Dr, Washington, Missouri. You can reach out to his office (for appointments etc.) via phone at (636) 239-7500.

Michael E Rau is licensed to practice in Missouri (license number 36513) 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 1467496216.

Contact Information

Michael E Rau, MD
901 Patients First Dr,
Washington, MO 63090-4700
(636) 239-7500
(636) 239-2836

Map and Direction




Physician's Profile

Full NameMichael E Rau
GenderMale
SpecialityInternal Medicine
Experience41 Years
Location901 Patients First Dr, Washington, Missouri
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:
  • Michael E Rau attended and graduated from University Of Missouri, Columbia School Of Medicine in 1983
  NPI Data:
  • NPI Number: 1467496216
  • Provider Enumeration Date: 06/15/2006
  • Last Update Date: 01/23/2012
  Medicare PECOS Information:
  • PECOS PAC ID: 8123023140
  • Enrollment ID: I20100224000118

Medical Identifiers

Medical identifiers for Michael E Rau such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1467496216NPI-NPPES
202335402MedicaidMO
110166324OtherRAILROAD MEDICARE

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 36513 (Missouri)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Mercy Home HealthSaint louis, MOHome health agency
Mercy HospiceSaint louis, MOHospice
Mercy Hospital WashingtonWashington, MOHospital
Mercy Hospital St LouisSaint louis, MOHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Legacy Healthcare Services Inc21633397222654
Mercy Clinic East Communities7214827922491

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. Michael E Rau allows following entities to bill medicare on his behalf.
Entity NameMercy Clinic East Communities
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1073739041
PECOS PAC ID: 7214827922
Enrollment ID: O20070521000058

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. Michael E Rau 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
Michael E Rau, MD
901 Patients First Dr,
Washington, MO 63090-4700

Ph: (636) 239-7500
Michael E Rau, MD
901 Patients First Dr,
Washington, MO 63090-4700

Ph: (636) 239-7500

Reviews and Comments


Internal Medicine Doctors in Washington, MO

Dr. Isaac I Cohen, MD
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 901 Patients First Drive, Washington, MO 63090
Phone: 636-390-1600    Fax: 636-390-1601
Sudhanshu Gogia, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 901 Patients First Dr, Washington, MO 63090
Phone: 636-239-7344    Fax: 636-239-9436
Dr. Nicholas W Frederickson, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 901 Patients First Drive Suite 3300, Washington, MO 63090
Phone: 636-239-7344    Fax: 636-239-9436
Dr. John R Douglas Peterson, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 901 Patients First Dr Ste 3300, Washington, MO 63090
Phone: 636-239-7344    
Mohan Mallikarjuna Edupuganti, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 901 Patients First Dr Ste 2500, Washington, MO 63090
Phone: 636-239-2711    
Dr. Roberto Pacheco-coronado, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 901 Patients First Dr Ste 2500, Washington, MO 63090
Phone: 636-239-2711    
Lydia Luisa Archuleta, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 901 E 5th St, Washington, MO 63090
Phone: 636-239-8000    

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.