John G Leiner, MD - Medicare Internal Medicine in Quincy, IL

John G Leiner, MD is a medicare enrolled "Internal Medicine" physician in Quincy, Illinois. He went to Virginia Commonwealth University, School Of Medicine and graduated in 1991 and has 34 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Blessing Hospital, Blessing Hospital and his current practice location is 927 Broadway St, Quincy, Illinois. You can reach out to his office (for appointments etc.) via phone at (217) 224-6423.

John G Leiner is licensed to practice in Illinois (license number 036171859) 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 1962571596.

Contact Information

John G Leiner, MD
927 Broadway St,
Quincy, IL 62301-2719
(217) 224-6423
(217) 228-3251

Map and Direction




Physician's Profile

Full NameJohn G Leiner
GenderMale
SpecialityInternal Medicine
Experience34 Years
Location927 Broadway St, Quincy, 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:
  • John G Leiner attended and graduated from Virginia Commonwealth University, School Of Medicine in 1991
  NPI Data:
  • NPI Number: 1962571596
  • Provider Enumeration Date: 11/07/2006
  • Last Update Date: 01/20/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 2264440403
  • Enrollment ID: I20060329000334

Medical Identifiers

Medical identifiers for John G Leiner such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1962571596NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 0101224017 (Virginia)Secondary
207R00000XInternal Medicine 036171859 (Illinois)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Blessing Home CareQuincy, ILHome health agency
Blessing HospitalQuincy, ILHospital
University Of Virginia Medical CenterCharlottesville, VAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Blessing Hospital3072422534369
Blessing Hospital3072422534369

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. John G Leiner allows following entities to bill medicare on his behalf.
Entity NameUniversity Of Virginia Physicians Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1033138250
PECOS PAC ID: 4880590728
Enrollment ID: O20040102000780

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. John G Leiner 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
John G Leiner, MD
1005 Broadway St,
Quincy, IL 62301-2834

Ph: (217) 223-8400
John G Leiner, MD
927 Broadway St,
Quincy, IL 62301-2719

Ph: (217) 224-6423

Reviews and Comments


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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.