Reginald Kai Mason, MD - Medicare General Surgery in Alton, IL

Reginald Kai Mason, MD is a medicare enrolled "Surgery" physician in Alton, Illinois. He went to Drexel University College Of Medicine and graduated in 1995 and has 29 years of diverse experience with area of expertise as General Surgery. He is a member of the group practice Osf Multi-specialty Group and his current practice location is 2 Saint Anthonys Way Ste 105, Alton, Illinois. You can reach out to his office (for appointments etc.) via phone at (618) 465-2761.

Reginald Kai Mason is licensed to practice in Illinois (license number 036169863) 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 1699739607.

Contact Information

Reginald Kai Mason, MD
2 Saint Anthonys Way Ste 105,
Alton, IL 62002-4580
(618) 465-2761
(618) 465-4750

Map and Direction




Physician's Profile

Full NameReginald Kai Mason
GenderMale
SpecialityGeneral Surgery
Experience29 Years
Location2 Saint Anthonys Way Ste 105, Alton, 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:
  • Reginald Kai Mason attended and graduated from Drexel University College Of Medicine in 1995
  NPI Data:
  • NPI Number: 1699739607
  • Provider Enumeration Date: 04/14/2006
  • Last Update Date: 05/02/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 2365411873
  • Enrollment ID: I20240605001765

Medical Identifiers

Medical identifiers for Reginald Kai Mason such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1699739607NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208600000XSurgery 0101236379 (Virginia)Secondary
208600000XSurgery 036169863 (Illinois)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Southside Regional Medical CenterPetersburg, VAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Osf Multi-specialty Group36788897891552

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. Reginald Kai Mason allows following entities to bill medicare on his behalf.
Entity NameOsf Multi-specialty Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1922445527
PECOS PAC ID: 3678889789
Enrollment ID: O20150904000279

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. Reginald Kai Mason 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
Reginald Kai Mason, MD
856 J Clyde Morris Blvd, Suite A,
Newport News, VA 23601-1318

Ph: () -
Reginald Kai Mason, MD
2 Saint Anthonys Way Ste 105,
Alton, IL 62002-4580

Ph: (618) 465-2761

Reviews and Comments


Surgery Doctors in Alton, IL

Dr. James A Kliefoth, MD
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Phone: 618-463-8660    Fax: 618-463-8666
Dr. Christopher Ryan Aldridge, M.D.
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Matthew C Musielak, MD
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John D. Zander, M.D.
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Phone: 773-839-9794    
Dr. Shoichiro Alberto Tanaka, MD
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Phone: 618-433-6131    Fax: 618-433-6128

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.