Shawn L Slack, MD - Medicare Rheumatology in Everett, WA

Shawn L Slack, MD is a medicare enrolled "Internal Medicine - Rheumatology" physician in Everett, Washington. He went to University Of Washington School Of Medicine and graduated in 1992 and has 32 years of diverse experience with area of expertise as Rheumatology. He is a member of the group practice Optum Care Washington Pllc and his current practice location is 3901 Hoyt Ave, Everett, Washington. You can reach out to his office (for appointments etc.) via phone at (425) 259-0966.

Shawn L Slack is licensed to practice in Washington (license number 32937) 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 1306853239.

Contact Information

Shawn L Slack, MD
3901 Hoyt Ave,
Everett, WA 98201-4918
(425) 259-0966
Not Available

Map and Direction




Physician's Profile

Full NameShawn L Slack
GenderMale
SpecialityRheumatology
Experience32 Years
Location3901 Hoyt Ave, Everett, 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:
  • Shawn L Slack attended and graduated from University Of Washington School Of Medicine in 1992
  NPI Data:
  • NPI Number: 1306853239
  • Provider Enumeration Date: 08/02/2006
  • Last Update Date: 03/15/2013
  Medicare PECOS Information:
  • PECOS PAC ID: 1557255072
  • Enrollment ID: I20100903000874

Medical Identifiers

Medical identifiers for Shawn L Slack such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1306853239NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RR0500XInternal Medicine - Rheumatology 32937 (Washington)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Optum Care Washington Pllc6406752153559

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. Shawn L Slack allows following entities to bill medicare on his behalf.
Entity NameOptum Care Washington Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1831186766
PECOS PAC ID: 6406752153
Enrollment ID: O20031211000922

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. Shawn L Slack 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
Shawn L Slack, MD
Po Box 5127,
Everett, WA 98206-5127

Ph: (425) 258-3903
Shawn L Slack, MD
3901 Hoyt Ave,
Everett, WA 98201-4918

Ph: (425) 259-0966

Reviews and Comments


Internal Medicine Doctors in Everett, WA

Timothy Edward Mcnamara,
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Phone: 425-317-0300    Fax: 425-317-0303
Dr. Madhurina Roy, M.D
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Practice Location: 9505 19th Ave Se, Ste 100, Everett, WA 98208
Phone: 425-225-6721    Fax: 425-225-6725
Dr. Kavyashri Kodlipet Jagadeesh, MD
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Practice Location: 1330 Rockefeller Ave Ste 210, Everett, WA 98201
Phone: 425-261-4940    Fax: 425-261-4932
Amy D Nelson, MD
Rheumatology
Medicare: Accepting Medicare Assignments
Practice Location: 2930 Maple St, Everett, WA 98201
Phone: 425-261-1500    Fax: 425-261-1515
Ya-lan Huang, MD
Rheumatology
Medicare: Accepting Medicare Assignments
Practice Location: 12728 19th Ave Se Ste 300, Everett, WA 98208
Phone: 425-252-6801    Fax: 425-258-1944
Mahesh Mulumudi,
Rheumatology
Medicare: Accepting Medicare Assignments
Practice Location: 3901 Hoyt Ave, Everett, WA 98201
Phone: 425-339-5411    
James M Schmitt, MD
Rheumatology
Medicare: Medicare Enrolled
Practice Location: 12728 19th Ave Se, Suite 200, Everett, WA 98208
Phone: 425-225-2700    Fax: 425-225-2790

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.