Dr Katja Kiseljak-vassiliades, DO - Medicare Endocrinology in Aurora, CO

Dr Katja Kiseljak-vassiliades, DO is a medicare enrolled "Internal Medicine - Endocrinology, Diabetes & Metabolism" physician in Aurora, Colorado. She graduated from medical school in 2005 and has 19 years of diverse experience with area of expertise as Endocrinology. She is a member of the group practice University Physicians Incorporated and her current practice location is 12605 E 16th Ave, Aurora, Colorado. You can reach out to her office (for appointments etc.) via phone at (720) 848-0000.

Dr Katja Kiseljak-vassiliades is licensed to practice in Colorado (license number DR47946) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1043353840.

Contact Information

Dr Katja Kiseljak-vassiliades, DO
12605 E 16th Ave,
Aurora, CO 80045-2545
(720) 848-0000
Not Available

Map and Direction




Physician's Profile

Full NameDr Katja Kiseljak-vassiliades
GenderFemale
SpecialityEndocrinology
Experience19 Years
Location12605 E 16th Ave, Aurora, Colorado
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Katja Kiseljak-vassiliades graduated from medical school in 2005
  NPI Data:
  • NPI Number: 1043353840
  • Provider Enumeration Date: 02/14/2007
  • Last Update Date: 08/30/2012
  Medicare PECOS Information:
  • PECOS PAC ID: 8527216142
  • Enrollment ID: I20120924000249

Medical Identifiers

Medical identifiers for Dr Katja Kiseljak-vassiliades such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1043353840NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RE0101XInternal Medicine - Endocrinology, Diabetes & Metabolism DR47946 (Colorado)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
University Of Colorado Hospital AuthorityAurora, COHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
University Physicians Incorporated34764656672639

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 Katja Kiseljak-vassiliades allows following entities to bill medicare on her behalf.
Entity NameUniversity Physicians Incorporated
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1962461889
PECOS PAC ID: 3476465667
Enrollment ID: O20031105000375

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 Katja Kiseljak-vassiliades 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 Katja Kiseljak-vassiliades, DO
Po Box 110429,
Aurora, CO 80042-0429

Ph: (303) 493-7000
Dr Katja Kiseljak-vassiliades, DO
12605 E 16th Ave,
Aurora, CO 80045-2545

Ph: (720) 848-0000

Reviews and Comments


Internal Medicine Doctors in Aurora, CO

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Larry Allen, MD
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Virginia Borges, MD
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Practice Location: 12605 E 16th Ave, Aurora, CO 80045
Phone: 720-848-0000    

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.