Ralph Oiknine, MD - Medicare Endocrinology in Chesterfield, MO

Ralph Oiknine, MD is a medicare enrolled "Internal Medicine - Endocrinology, Diabetes & Metabolism" physician in Chesterfield, Missouri. He graduated from medical school in 1999 and has 25 years of diverse experience with area of expertise as Endocrinology. He is a member of the group practice Diabetes And Endocrinology Specialists Inc and his current practice location is 222 S Woods Mill Rd, Chesterfield, Missouri. You can reach out to his office (for appointments etc.) via phone at (314) 469-6224.

Ralph Oiknine is licensed to practice in Missouri (license number 214732) 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 1255365581.

Contact Information

Ralph Oiknine, MD
222 S Woods Mill Rd,
Chesterfield, MO 63017-3625
(314) 469-6224
(314) 469-0744

Map and Direction




Physician's Profile

Full NameRalph Oiknine
GenderMale
SpecialityEndocrinology
Experience25 Years
Location222 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:
  • Ralph Oiknine graduated from medical school in 1999
  NPI Data:
  • NPI Number: 1255365581
  • Provider Enumeration Date: 07/11/2006
  • Last Update Date: 09/30/2011
  Medicare PECOS Information:
  • PECOS PAC ID: 2567368210
  • Enrollment ID: I20031211000889

Medical Identifiers

Medical identifiers for Ralph Oiknine such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1255365581NPI-NPPES
11308809OtherCAQH
189137OtherMOBC/BS

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RE0101XInternal Medicine - Endocrinology, Diabetes & Metabolism 214732 (Missouri)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
St Lukes HospitalChesterfield, MOHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Diabetes And Endocrinology Specialists Inc77199201643

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. Ralph Oiknine allows following entities to bill medicare on his behalf.
Entity NameDiabetes & Endocrinology Specialists Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1861404675
PECOS PAC ID: 7719920164
Enrollment ID: O20050607000084

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. Ralph Oiknine 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
Ralph Oiknine, MD
222 S Woods Mill Rd, Suite 410n,
Chesterfield, MO 63017-3625

Ph: (314) 469-6224
Ralph Oiknine, MD
222 S Woods Mill Rd,
Chesterfield, MO 63017-3625

Ph: (314) 469-6224

Reviews and Comments


Internal Medicine Doctors in Chesterfield, MO

Lovepreet Singh Randhawa, MD
Endocrinology, Diabetes & Metabolism
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.
Endocrinology, Diabetes & Metabolism
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
Endocrinology, Diabetes & Metabolism
Medicare: Medicare Enrolled
Practice Location: 224 S Woods Mill Rd, Suite 370 South, Chesterfield, MO 63017
Phone: 314-878-2460    
Daniel B Bauwens, MD
Endocrinology, Diabetes & Metabolism
Medicare: Medicare Enrolled
Practice Location: 232 S Woods Mill Rd, Chesterfield, MO 63017
Phone: 314-576-5023    
Michael Carl Fusco, M.D.
Endocrinology, Diabetes & Metabolism
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.
Endocrinology, Diabetes & Metabolism
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
Endocrinology, Diabetes & Metabolism
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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