Ziga Tretjak, MD - Medicare Internal Medicine in Richland, WA

Ziga Tretjak, MD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Richland, Washington. His current practice location is 780 Swift Blvd, Suite 270, Kadlec Clinic, Gastroenterology, Richland, Washington. You can reach out to his office (for appointments etc.) via phone at (509) 942-3627.

Ziga Tretjak is licensed to practice in Washington (license number 60113820) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1033186325.

Contact Information

Ziga Tretjak, MD
780 Swift Blvd, Suite 270, Kadlec Clinic, Gastroenterology,
Richland, WA 99352
(509) 942-3627
(509) 943-3280

Map and Direction




Physician's Profile

Full NameZiga Tretjak
GenderMale
SpecialityInternal Medicine - Gastroenterology
Location780 Swift Blvd, Suite 270, Richland, Washington
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1033186325
  • Provider Enumeration Date: 03/05/2006
  • Last Update Date: 07/05/2012
  Medicare PECOS Information:
  • PECOS PAC ID: 8325055031
  • Enrollment ID: I20180102002227

Medical Identifiers

Medical identifiers for Ziga Tretjak such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1033186325NPI-NPPES
0259824OtherWALABOR & INDUSTRIES
0053CQOtherTXBLUE CROSS BLUE SHIELD
8556128MedicaidWA
113447001MedicaidTX

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RG0100XInternal Medicine - Gastroenterology 60113820 (Washington)Primary

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. Ziga Tretjak allows following entities to bill medicare on his behalf.
Entity NameBanner -- University Medical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1508809427
PECOS PAC ID: 7719899871
Enrollment ID: O20031105000694

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. Ziga Tretjak 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
Ziga Tretjak, MD
9605 Sandifur Pkwy,
Pasco, WA 99301-8028

Ph: (509) 942-3627
Ziga Tretjak, MD
780 Swift Blvd, Suite 270, Kadlec Clinic, Gastroenterology,
Richland, WA 99352

Ph: (509) 942-3627

Reviews and Comments


Internal Medicine Doctors in Richland, WA

Kalavati Paila, MD
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 888 Swift Blvd., Richland, WA 99352
Phone: 509-946-4611    Fax: 509-942-2185
Dr. Braghadheeswar Thyagarajan, MD
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 888 Swift Blvd, Richland, WA 99352
Phone: 509-942-2648    Fax: 509-942-2812
Dr. Caleb Haws, D.O.
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 888 Swift Blvd, Richland, WA 99352
Phone: 509-942-3627    Fax: 509-627-2983
Nazar Hafiz, MD
Gastroenterology
Medicare: Medicare Enrolled
Practice Location: 1270 Lee Blvd Ste A, Richland, WA 99352
Phone: 509-942-3180    Fax: 509-943-9722
Arnulfo T Deray, MD
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 888 Swift Blvd, Richland, WA 99352
Phone: 509-946-4611    Fax: 509-942-2185
Munish Kumar Kannabhiran, MD
Gastroenterology
Medicare: Medicare Enrolled
Practice Location: 1100 Goethals Dr Ste E, Richland, WA 99352
Phone: 509-942-3272    Fax: 509-942-3273

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.