Steven F Willey, MD - Medicare Internal Medicine in Chesterfield, MO

Steven F Willey, MD is a medicare enrolled "Internal Medicine" physician in Chesterfield, Missouri. He went to Northwestern University Feinberg Medical School and graduated in 1990 and has 34 years of diverse experience with area of expertise as Internal Medicine. His current practice location is 224 S Woods Mill Rd, Suite 560, Chesterfield, Missouri. You can reach out to his office (for appointments etc.) via phone at (314) 469-0033.

Steven F Willey is licensed to practice in Missouri (license number MD107032) 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 1730108556.

Contact Information

Steven F Willey, MD
224 S Woods Mill Rd, Suite 560,
Chesterfield, MO 63017-3451
(314) 469-0033
(314) 469-0088

Map and Direction




Physician's Profile

Full NameSteven F Willey
GenderMale
SpecialityInternal Medicine
Experience34 Years
Location224 S Woods Mill Rd, Chesterfield, 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:
  • Steven F Willey attended and graduated from Northwestern University Feinberg Medical School in 1990
  NPI Data:
  • NPI Number: 1730108556
  • Provider Enumeration Date: 07/19/2006
  • Last Update Date: 07/09/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 8022083765
  • Enrollment ID: I20040930000395

Medical Identifiers

Medical identifiers for Steven F Willey such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1730108556NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine MD107032 (Missouri)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
St Lukes HospitalChesterfield, MOHospital

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. Steven F Willey allows following entities to bill medicare on his behalf.
Entity NameSteven F Willey Md Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1588680771
PECOS PAC ID: 7113992850
Enrollment ID: O20040827000001

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. Steven F Willey 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
Steven F Willey, MD
Po Box 771470,
Saint Louis, MO 63177-2470

Ph: (314) 432-2580
Steven F Willey, MD
224 S Woods Mill Rd, Suite 560,
Chesterfield, MO 63017-3451

Ph: (314) 469-0033

Reviews and Comments


Internal Medicine Doctors in Chesterfield, MO

Rachel Lynn Fishman Oiknine, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 222 S Woods Mill Rd, Suite 410n, Chesterfield, MO 63017
Phone: 314-469-6224    Fax: 314-469-0744
Xiaoling Wu, MD
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 224 S Woods Mill Rd, Suite 370 South, Chesterfield, MO 63017
Phone: 314-878-2460    
Michael Carl Fusco, M.D.
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 14528 S Outer 40, Suite 300, Chesterfield, MO 63017
Phone: 314-214-8100    Fax: 314-214-8233
David H Cort, M.D.
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 226 S Woods Mill Rd, Suite 52 West, Chesterfield, MO 63017
Phone: 314-434-2399    Fax: 314-434-5653
Meghashyam Jayateerth Koti, MD
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 15740 S Outer 40 Rd # C, Chesterfield, MO 63017
Phone: 636-735-4963    
Muhammad Arsalan, MD
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 224 S Woods Mill Rd Ste 400, Chesterfield, MO 63017
Phone: 314-205-6050    Fax: 314-205-6350
Svetha Chunduri, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 224 S Woods Mill Rd # 404s, Chesterfield, MO 63017
Phone: 314-682-6500    Fax: 314-552-7276

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.