Dr William S Ritter, MD - Medicare Cardiovascular Disease (cardiology) in Shawnee Mission, KS

Dr William S Ritter, MD is a medicare enrolled "Internal Medicine - Cardiovascular Disease" physician in Shawnee Mission, Kansas. He went to Jefferson Medical College Of Thomas Jefferson University and graduated in 1971 and has 53 years of diverse experience with area of expertise as Cardiovascular Disease (cardiology). He is a member of the group practice Shawnee Mission Medical Center Inc and his current practice location is 9119 W 74th St, Suite 350, Shawnee Mission, Kansas. You can reach out to his office (for appointments etc.) via phone at (913) 789-3290.

Dr William S Ritter is licensed to practice in Missouri (license number R8312) 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 1104825462.

Contact Information

Dr William S Ritter, MD
9119 W 74th St, Suite 350,
Shawnee Mission, KS 66204-2215
(913) 789-3290
(913) 789-3208

Map and Direction




Physician's Profile

Full NameDr William S Ritter
GenderMale
SpecialityCardiovascular Disease (cardiology)
Experience53 Years
Location9119 W 74th St, Shawnee Mission, Kansas
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 William S Ritter attended and graduated from Jefferson Medical College Of Thomas Jefferson University in 1971
  NPI Data:
  • NPI Number: 1104825462
  • Provider Enumeration Date: 07/19/2005
  • Last Update Date: 09/11/2013
  Medicare PECOS Information:
  • PECOS PAC ID: 9335192905
  • Enrollment ID: I20051029000336

Medical Identifiers

Medical identifiers for Dr William S Ritter such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1104825462NPI-NPPES
1104825462MedicaidMO

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RC0000XInternal Medicine - Cardiovascular Disease R8312 (Missouri)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Adventhealth Shawnee MissionShawnee mission, KSHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Shawnee Mission Medical Center Inc9537119037176

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 William S Ritter allows following entities to bill medicare on his behalf.
Entity NameShawnee Mission Medical Center Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1992735690
PECOS PAC ID: 9537119037
Enrollment ID: O20050701000310

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 William S Ritter 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 William S Ritter, MD
9119 W 74th St, Suite 350,
Shawnee Mission, KS 66204-2215

Ph: (913) 789-3290
Dr William S Ritter, MD
9119 W 74th St, Suite 350,
Shawnee Mission, KS 66204-2215

Ph: (913) 789-3290

Reviews and Comments


Internal Medicine Doctors in Shawnee Mission, KS

Louise M Kaine, D.O.
Cardiovascular Disease
Medicare: Not Enrolled in Medicare
Practice Location: 8800 W 75th St, Ste 300, Shawnee Mission, KS 66204
Phone: 913-722-4240    Fax: 913-722-2435
Dr. John L Pham, MD
Cardiovascular Disease
Medicare: Accepting Medicare Assignments
Practice Location: 9100 W 74th St, Shawnee Mission, KS 66204
Phone: 913-676-2000    
John E Oxler Jr., MD
Cardiovascular Disease
Medicare: Accepting Medicare Assignments
Practice Location: 8800 W 75th St, Sute 300, Shawnee Mission, KS 66204
Phone: 913-722-4240    Fax: 913-722-2345
David A. Cooley, M.D.
Cardiovascular Disease
Medicare: Not Enrolled in Medicare
Practice Location: 12330 Metcalf Ave, Suite 570, Shawnee Mission, KS 66213
Phone: 913-661-9990    Fax: 913-661-9963
Montgomery L Roberts, D.O.
Cardiovascular Disease
Medicare: Accepting Medicare Assignments
Practice Location: 7450 Kessler St Ste 204, Shawnee Mission, KS 66204
Phone: 913-632-9770    Fax: 913-632-9799
Dr. Jhulan Mukharji, M.D.
Cardiovascular Disease
Medicare: Accepting Medicare Assignments
Practice Location: 9119 W 74th St, Suite 350, Shawnee Mission, KS 66204
Phone: 913-789-3290    Fax: 913-789-3208

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.