Keith A Bernstein, MD - Medicare Rheumatology in Chesterfield, MO

Keith A Bernstein, MD is a medicare enrolled "Internal Medicine - Rheumatology" physician in Chesterfield, Missouri. He went to Washington University School Of Medicine and graduated in 1990 and has 34 years of diverse experience with area of expertise as Rheumatology. He is a member of the group practice Internal Medicine Associates, Ltd. and his current practice location is 224 S Woods Mill Rd, Suite 500 South, Chesterfield, Missouri. You can reach out to his office (for appointments etc.) via phone at (314) 878-6260.

Keith A Bernstein is licensed to practice in Missouri (license number R8J79) 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 1447273727.

Contact Information

Keith A Bernstein, MD
224 S Woods Mill Rd, Suite 500 South,
Chesterfield, MO 63017
(314) 878-6260
(314) 878-8058

Map and Direction




Physician's Profile

Full NameKeith A Bernstein
GenderMale
SpecialityRheumatology
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:
  • Keith A Bernstein attended and graduated from Washington University School Of Medicine in 1990
  NPI Data:
  • NPI Number: 1447273727
  • Provider Enumeration Date: 07/26/2006
  • Last Update Date: 07/08/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 5193829687
  • Enrollment ID: I20070322000118

Medical Identifiers

Medical identifiers for Keith A Bernstein such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1447273727NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RR0500XInternal Medicine - Rheumatology R8J79 (Missouri)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
St Lukes HospitalChesterfield, MOHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Internal Medicine Associates, Ltd.91331049533

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. Keith A Bernstein allows following entities to bill medicare on his behalf.
Entity NameInternal Medicine Associates, Ltd.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1568590750
PECOS PAC ID: 9133104953
Enrollment ID: O20040623001624

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. Keith A Bernstein 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
Keith A Bernstein, MD
224 S Woods Mill Rd, Suite 500 South,
Chesterfield, MO 63017

Ph: (314) 878-6260
Keith A Bernstein, MD
224 S Woods Mill Rd, Suite 500 South,
Chesterfield, MO 63017

Ph: (314) 878-6260

Reviews and Comments


Internal Medicine Doctors in Chesterfield, MO

Lovepreet Singh Randhawa, MD
Rheumatology
Medicare: Not Enrolled in Medicare
Practice Location: 224 S Woods Mill Rd, Chesterfield, MO 63017
Phone: 314-205-6050    Fax: 314-205-6350
Rachel Lynn Fishman Oiknine, M.D.
Rheumatology
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
Rheumatology
Medicare: Medicare Enrolled
Practice Location: 224 S Woods Mill Rd, Suite 370 South, Chesterfield, MO 63017
Phone: 314-878-2460    
Daniel B Bauwens, MD
Rheumatology
Medicare: Medicare Enrolled
Practice Location: 232 S Woods Mill Rd, Chesterfield, MO 63017
Phone: 314-576-5023    
Michael Carl Fusco, M.D.
Rheumatology
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.
Rheumatology
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
Rheumatology
Medicare: Not Enrolled in Medicare
Practice Location: 15740 S Outer 40 Rd # C, Chesterfield, MO 63017
Phone: 636-735-4963    

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.

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