Tatiana Sadak, ARNP - Medicare Nurse Practitioner in Lynnwood, WA

Tatiana Sadak, ARNP is a medicare enrolled "Nurse Practitioner - Psychiatric/mental Health" in Lynnwood, Washington. She graduated from nursing school in 2008 and has 18 years of diverse experience with area of expertise as Nurse Practitioner. Her current practice location is 7110 191st Pl Sw, Lynnwood, Washington. You can reach out to her office (for appointments etc.) via phone at (206) 459-1158.

Tatiana Sadak is licensed to practice in Washington (license number AP60122579) 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 1235466517.

Contact Information

Tatiana Sadak, ARNP
7110 191st Pl Sw,
Lynnwood, WA 98036-5069
(206) 459-1158
(888) 296-8140

Map and Direction




Provider's Profile

Full NameTatiana Sadak
GenderFemale
SpecialityNurse Practitioner
Experience18 Years
Location7110 191st Pl Sw, Lynnwood, Washington
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:
  • Tatiana Sadak graduated from nursing school in 2008
  NPI Data:
  • NPI Number: 1235466517
  • Provider Enumeration Date: 11/07/2009
  • Last Update Date: 02/02/2026
  Medicare PECOS Information:
  • PECOS PAC ID: 7517094170
  • Enrollment ID: I20100430000071

Medical Identifiers

Medical identifiers for Tatiana Sadak such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1235466517NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363LP0808XNurse Practitioner - Psychiatric/mental Health AP60122579 (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. Tatiana Sadak allows following entities to bill medicare on her behalf.
Entity NameBhc Fairfax Hospital Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1104959097
PECOS PAC ID: 1153231857
Enrollment ID: O20031120000445

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. Tatiana Sadak 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
Tatiana Sadak, ARNP
7110 191st Pl Sw,
Lynnwood, WA 98036-5069

Ph: (206) 459-1158
Tatiana Sadak, ARNP
7110 191st Pl Sw,
Lynnwood, WA 98036-5069

Ph: (206) 459-1158

Reviews and Comments


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Ms. Kimberly 'kimmer' Verlynn Collison-ris, MSN, ARNP, WOCN
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Practice Location: 16425 48th Ave W, Suite 215, Lynnwood, WA 98037
Phone: 425-210-4187    Fax: 425-361-1704

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.