Kent Alexander Neil Cassmeyer, MD - Medicare Internal Medicine in O Fallon, MO

Kent Alexander Neil Cassmeyer, MD is a medicare enrolled "Internal Medicine" physician in O Fallon, Missouri. He graduated from medical school in 2015 and has 9 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Mercy Clinic East Communities and his current practice location is 300 Winding Woods Dr Ste 214, O Fallon, Missouri. You can reach out to his office (for appointments etc.) via phone at (636) 614-3289.

Kent Alexander Neil Cassmeyer is licensed to practice in Missouri (license number 2019024541) 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 1417307505.

Contact Information

Kent Alexander Neil Cassmeyer, MD
300 Winding Woods Dr Ste 214,
O Fallon, MO 63366-4773
(636) 614-3289
(636) 272-3680

Map and Direction




Physician's Profile

Full NameKent Alexander Neil Cassmeyer
GenderMale
SpecialityInternal Medicine
Experience9 Years
Location300 Winding Woods Dr Ste 214, O Fallon, 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:
  • Kent Alexander Neil Cassmeyer graduated from medical school in 2015
  NPI Data:
  • NPI Number: 1417307505
  • Provider Enumeration Date: 06/20/2016
  • Last Update Date: 08/28/2019
  Medicare PECOS Information:
  • PECOS PAC ID: 4587956461
  • Enrollment ID: I20190906002889

Medical Identifiers

Medical identifiers for Kent Alexander Neil Cassmeyer such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1417307505NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 2019024541 (Missouri)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Mercy Hospital St LouisSaint louis, MOHospital
Barnes-jewish St Peters HospitalSaint peters, MOHospital
Mercy Hospital LincolnTroy, MOHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
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. Kent Alexander Neil Cassmeyer allows following entities to bill medicare on his behalf.
Entity NameMercy Clinic East Communities
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1851335228
PECOS PAC ID: 7214827922
Enrollment ID: O20070521000006

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. Kent Alexander Neil Cassmeyer 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
Kent Alexander Neil Cassmeyer, MD
300 Winding Woods Dr Ste 214,
O Fallon, MO 63366-4773

Ph: (636) 614-3289
Kent Alexander Neil Cassmeyer, MD
300 Winding Woods Dr Ste 214,
O Fallon, MO 63366-4773

Ph: (636) 614-3289

Reviews and Comments


Internal Medicine Doctors in O Fallon, MO

Brian A Grus, MD
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Phone: 636-344-2400    
Alexander Marinov Markov, MD
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Nadia Zia, MD
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Phone: 314-317-0600    Fax: 314-317-0606
Dr. Amy Kathleen Davis, M.D.
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Medicare: Not Enrolled in Medicare
Practice Location: 1008 Rock Creek Elementary School Dr, O Fallon, MO 63366
Phone: 636-281-4410    Fax: 636-281-4412
Dr. Saadia Taufiq Raza, MD
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Medicare: Accepting Medicare Assignments
Practice Location: 6704 Keaton Corp Pkwy, O Fallon, MO 63368
Phone: 636-300-9596    Fax: 636-300-9598
Dr. Genevieve Catherine Matthews, MD
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Medicare: Accepting Medicare Assignments
Practice Location: 20 Progress Point Pkwy Ste 108, O Fallon, MO 63368
Phone: 636-344-2400    Fax: 636-344-2401
Neal Holzum, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2 Progress Point Ct, Ste 101a, O Fallon, MO 63368
Phone: 636-236-9945    

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.