Uladzislau Naidzionak, MD - Medicare Medical Oncology in Saint Louis, MO

Uladzislau Naidzionak, MD is a medicare enrolled "Internal Medicine" physician in Saint Louis, Missouri. He graduated from medical school in 2006 and has 18 years of diverse experience with area of expertise as Medical Oncology. He is a member of the group practice Emergency And Acute Care Medical Corporation, San Diego Oncology Medical Clinic and his current practice location is 6420 Clayton Rd, St Mary's Health Center/dept Of Internal Medicine, Saint Louis, Missouri. You can reach out to his office (for appointments etc.) via phone at (314) 768-8778.

Uladzislau Naidzionak is licensed to practice in Missouri (license number 2009012274) 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 1023246212.

Contact Information

Uladzislau Naidzionak, MD
6420 Clayton Rd, St Mary's Health Center/dept Of Internal Medicine,
Saint Louis, MO 63117-1811
(314) 768-8778
Not Available

Map and Direction




Physician's Profile

Full NameUladzislau Naidzionak
GenderMale
SpecialityMedical Oncology
Experience18 Years
Location6420 Clayton Rd, Saint Louis, 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:
  • Uladzislau Naidzionak graduated from medical school in 2006
  NPI Data:
  • NPI Number: 1023246212
  • Provider Enumeration Date: 06/25/2009
  • Last Update Date: 06/25/2009
  Medicare PECOS Information:
  • PECOS PAC ID: 2466687694
  • Enrollment ID: I20150730013469

Medical Identifiers

Medical identifiers for Uladzislau Naidzionak such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1023246212NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 2009012274 (Missouri)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Sharp Memorial HospitalSan diego, CAHospital
Sharp Chula Vista Medical CenterChula vista, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Emergency And Acute Care Medical Corporation9537108279382
San Diego Oncology Medical Clinic09414500682

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. Uladzislau Naidzionak allows following entities to bill medicare on his behalf.
Entity NameEmergency And Acute Care Medical Corporation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1437103942
PECOS PAC ID: 9537108279
Enrollment ID: O20050502000734
Entity NameSan Diego Oncology Medical Clinic
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1871844522
PECOS PAC ID: 0941450068
Enrollment ID: O20121026000402

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. Uladzislau Naidzionak 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
Uladzislau Naidzionak, MD
8166 Whitburn Dr Apt 5,
Saint Louis, MO 63105-2449

Ph: (808) 237-0572
Uladzislau Naidzionak, MD
6420 Clayton Rd, St Mary's Health Center/dept Of Internal Medicine,
Saint Louis, MO 63117-1811

Ph: (314) 768-8778

Reviews and Comments


Internal Medicine Doctors in Saint Louis, MO

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Practice Location: 3660 Vista Ave, Saint Louis, MO 63110
Phone: 314-977-6100    Fax: 314-977-6164

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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