Kevin Sieja, MD - Medicare Gastroenterology in Denver, CO

Kevin Sieja, MD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Denver, Colorado. He graduated from medical school in 2000 and has 24 years of diverse experience with area of expertise as Gastroenterology. He is a member of the group practice Colorado Gastroenterology Prof Llc and his current practice location is 1960 Ogden St, #220, Denver, Colorado. You can reach out to his office (for appointments etc.) via phone at (303) 861-0808.

Kevin Sieja is licensed to practice in Colorado (license number 44150) 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 1952356677.

Contact Information

Kevin Sieja, MD
1960 Ogden St, #220,
Denver, CO 80218-1022
(303) 861-0808
(303) 861-2193

Map and Direction




Physician's Profile

Full NameKevin Sieja
GenderMale
SpecialityGastroenterology
Experience24 Years
Location1960 Ogden St, Denver, Colorado
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:
  • Kevin Sieja graduated from medical school in 2000
  NPI Data:
  • NPI Number: 1952356677
  • Provider Enumeration Date: 05/23/2006
  • Last Update Date: 07/21/2011
  Medicare PECOS Information:
  • PECOS PAC ID: 2860401775
  • Enrollment ID: I20060420000141

Medical Identifiers

Medical identifiers for Kevin Sieja such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1952356677NPI-NPPES
17707757MedicaidCO
P00337840OtherCORAILROAD MEDICARE

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RG0100XInternal Medicine - Gastroenterology 44150 (Colorado)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Colorado Gastroenterology Prof Llc66088465064

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. Kevin Sieja allows following entities to bill medicare on his behalf.
Entity NameColorado Gastroenterology Prof Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1396790101
PECOS PAC ID: 6608846506
Enrollment ID: O20040728001078

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. Kevin Sieja 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
Kevin Sieja, MD
1960 Ogden St, #220,
Denver, CO 80218-1022

Ph: (303) 861-0808
Kevin Sieja, MD
1960 Ogden St, #220,
Denver, CO 80218-1022

Ph: (303) 861-0808

Reviews and Comments


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Dr. Sahibzada Mohsin Shah, M.D.
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Shyam M Parkhie, MD
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Practice Location: 130 Rampart Way, 300b, Denver, CO 80230
Phone: 720-343-1562    Fax: 720-343-1563

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.