Dr Donald Alan Weimer, MD - Medicare Orthopedic Surgery in O Fallon, IL

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Dr Donald Alan Weimer, MD is a medicare enrolled "Orthopaedic Surgery" physician in O Fallon, Illinois. He went to Medical College Of Wisconsin and graduated in 1988 and has 36 years of diverse experience with area of expertise as Orthopedic Surgery. He is a member of the group practice Hshs Medical Group Inc and his current practice location is 1512 N Green Mount Rd, Suite 300, O Fallon, Illinois. You can reach out to his office (for appointments etc.) via phone at (618) 641-5800.

Dr Donald Alan Weimer is licensed to practice in Illinois (license number 036101574) 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 1932152980.

Contact Information

Dr Donald Alan Weimer, MD
1512 N Green Mount Rd, Suite 300,
O Fallon, IL 62269-1953
(618) 641-5800
Not Available

Map and Direction




Physician's Profile

Full NameDr Donald Alan Weimer
GenderMale
SpecialityOrthopedic Surgery
Experience36 Years
Location1512 N Green Mount Rd, O Fallon, Illinois
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 Donald Alan Weimer attended and graduated from Medical College Of Wisconsin in 1988
  NPI Data:
  • NPI Number: 1932152980
  • Provider Enumeration Date: 05/19/2006
  • Last Update Date: 08/20/2015
  Medicare PECOS Information:
  • PECOS PAC ID: 2365404555
  • Enrollment ID: I20041030000040

Medical Identifiers

Medical identifiers for Dr Donald Alan Weimer such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1932152980NPI-NPPES
036101574MedicaidIL

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207X00000XOrthopaedic Surgery 036101574 (Illinois)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Hshs Home Care Southern IllinoisEffingham, ILHome health agency
At Home Health CareSparta, ILHome health agency
Hshs St Elizabeth's HospitalO fallon, ILHospital
St Joseph's HospitalHighland, ILHospital
St Josephs HospitalBreese, ILHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Hshs Medical Group Inc5092857821225

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 Donald Alan Weimer allows following entities to bill medicare on his behalf.
Entity NameHshs Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1962644807
PECOS PAC ID: 5092857821
Enrollment ID: O20100116000275

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 Donald Alan Weimer 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 Donald Alan Weimer, MD
1512 N Green Mount Rd, Suite 300,
O Fallon, IL 62269-1953

Ph: (618) 641-5800		Dr Donald Alan Weimer, MD
1512 N Green Mount Rd, Suite 300,
O Fallon, IL 62269-1953

Ph: (618) 641-5800

Reviews and Comments


Orthopaedic Surgery Doctors in O Fallon, IL

Andres Lerner, MD
Orthopedic Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 670 Pierce Blvd, O Fallon, IL 62269
Phone: 618-206-2094    
Kevin James Mccarthy, M.D.
Orthopedic Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 670 Pierce Blvd, O Fallon, IL 62269
Phone: 618-206-2094    

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.