Mr Mark Lewis Anstadt, ARNP - Medicare Nurse Practitioner in Seattle, WA

Mr Mark Lewis Anstadt, ARNP is a medicare enrolled "Nurse Practitioner" in Seattle, Washington. He went to University Of Washington School Of Medicine and graduated in 2007 and has 17 years of diverse experience with area of expertise as Nurse Practitioner. He is a member of the group practice The Polyclinic and his current practice location is 904 7th Ave, Seattle, Washington. You can reach out to his office (for appointments etc.) via phone at (206) 860-5603.

Mr Mark Lewis Anstadt is licensed to practice in Washington (license number AP30007837) 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 1144414145.

Contact Information

Mr Mark Lewis Anstadt, ARNP
904 7th Ave,
Seattle, WA 98104
(206) 860-5603
(206) 720-7459

Map and Direction




Provider's Profile

Full NameMr Mark Lewis Anstadt
GenderMale
SpecialityNurse Practitioner
Experience17 Years
Location904 7th Ave, Seattle, Washington
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:
  • Mr Mark Lewis Anstadt attended and graduated from University Of Washington School Of Medicine in 2007
  NPI Data:
  • NPI Number: 1144414145
  • Provider Enumeration Date: 09/01/2007
  • Last Update Date: 05/18/2018
  Medicare PECOS Information:
  • PECOS PAC ID: 1557586583
  • Enrollment ID: I20180516002019

Medical Identifiers

Medical identifiers for Mr Mark Lewis Anstadt such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1144414145NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363L00000XNurse Practitioner AP30007837 (Washington)Primary
363LF0000XNurse Practitioner - Family AP30007837 (Washington)Secondary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
The Polyclinic2163328196332

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. Mr Mark Lewis Anstadt allows following entities to bill medicare on his behalf.
Entity NameThe Polyclinic
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1174594634
PECOS PAC ID: 2163328196
Enrollment ID: O20031210000788

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. Mr Mark Lewis Anstadt 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
Mr Mark Lewis Anstadt, ARNP
2720 E Madison St,
Seattle, WA 98112-4739

Ph: (206) 720-2315
Mr Mark Lewis Anstadt, ARNP
904 7th Ave,
Seattle, WA 98104

Ph: (206) 860-5603

Reviews and Comments


Nurse Practitioner Nurses in Seattle, WA

Mrs. Joanne Lynn Osetsky, ARNP
Nurse Practitioner
Medicare: Medicare Enrolled
Practice Location: 550 17th Ave, Ste 110, Seattle, WA 98122
Phone: 206-320-3470    Fax: 206-320-3471
Sandra K Walker, ARNP
Nurse Practitioner
Medicare: Not Enrolled in Medicare
Practice Location: 325 9th Ave, Seattle, WA 98104
Phone: 206-598-0502    Fax: 206-598-0516
Ms. Jennifer Patano, CNP
Nurse Practitioner
Medicare: Accepting Medicare Assignments
Practice Location: 4800 Sand Point Way Ne, Ms O.7.720, Seattle, WA 98105
Phone: 206-987-8949    Fax: 206-987-8943
Mrs. Dominique Michelle Well, ARNP
Nurse Practitioner
Medicare: Not Enrolled in Medicare
Practice Location: 4715 42nd Ave Sw, Seattle, WA 98116
Phone: 206-265-3642    
Mrs. Susan L Holtzclaw, ARNP
Nurse Practitioner
Medicare: Medicare Enrolled
Practice Location: 4800 Sand Point Way Ne, Mailstop T-2108, Seattle, WA 98105
Phone: 206-987-5691    
Dr. Kaitlin Michelle Brasier, D.N.P., A.R.N.P., RN
Nurse Practitioner
Medicare: Not Enrolled in Medicare
Practice Location: 1525 4th Ave, Suite 300, Seattle, WA 98101
Phone: 206-838-6856    Fax: 206-838-3085
Melissa Yen-ching Lo, DNP, ARNP
Nurse Practitioner
Medicare: Medicare Enrolled
Practice Location: 825 Eastlake Ave E, Seattle, WA 98109
Phone: 206-861-3396    

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.