SHAWN L SLACK MD
NPI 1306853239
Internal Medicine - Rheumatology in Everett, WA

Active since August 02, 2006PECOS EnrolledAccepts Medicare Assignment
3901 HOYT AVE, EVERETT, WA 98201(425) 259-0966 Get Directions Write a Review

NPPES record last updated: May 14, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: May 14, 2026, Nov 18, 2025 (2 updates tracked since 2025).

About Shawn L Slack Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

SHAWN L SLACK MD (NPI 1306853239) is an individual rheumatology provider in Everett, Washington, licensed in Washington (MD00032937) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Washington School Of Medicine (1992).

NPPES Registry Identity

NPI1306853239
Entity TypeIndividualMale
Primary Taxonomy207RR0500X
Provider Legal NameSHAWN L SLACKCredential: MD
Location Address3901 HOYT AVEEverett, WA 98201-4918
Mailing Address7600 Evergreen WayEverett, WA 98203-6421 · (206) 860-5414
Sole ProprietorYes
Medical School CMSUniversity Of Washington School Of MedicineGraduated 1992
Enumeration DateAugust 2, 2006
Last NPPES UpdateMay 14, 20262 updates tracked since enumeration
NPPES CertifiedMay 14, 2026
NPI 1306853239 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians
Taxonomy Code207RR0500X
License Licensed in WA · MD00032937
Definition
An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.
3901 HOYT AVE, Everett, WA 98201

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Shawn L Slack Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1557255072
PECOS Enrollment IDI20100903000874
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 11

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Blood test, comprehensive group of blood chemicals 80053
A comprehensive group of blood chemicals test, also known as a comprehensive metabolic panel, is a blood test that measures your sugar level, electrolyte and fluid balance, kidney function, and liver function. This helps to check your body's overall health.
448 services132 patients
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025
A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.
444 services132 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
366 services129 patients
Measurement c-reactive protein for detection of infection or inflammation 86140
C-reactive protein (CRP) test is a blood test that checks for signs of inflammation or infection in the body. High levels of CRP often suggest that there's inflammation or a bacterial infection. This test helps in monitoring and managing conditions like arthritis and heart disease.
333 services117 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
298 services128 patients
Dxa bone density measurement of hip, pelvis, spine 77080
A DXA bone density measurement is a simple, quick, and non-invasive procedure that assesses the strength of your bones. This test uses X-rays to measure the amount of minerals, mainly calcium, in the hip, pelvis, and spine. It helps in early detection of osteoporosis or other bone diseases.
170 services170 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98201 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$130.99 typical visit price
range $57.27 – $172.80
Typical copayment $32.74 (range $14.31 – $43.20)
Most-billed visit code 99204
Established Patient
$100.78 typical visit price
range $18.56 – $141.11
Typical copayment $25.19 (range $4.64 – $35.27)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Family Medicine
3901 HOYT AVE
EVERETT, WA 98201
Nurse Practitioner (Family)
3901 HOYT AVE
EVERETT, WA 98201
Pediatrics
3901 HOYT AVE
EVERETT, WA 98201
Internal Medicine (Interventional Cardiology)
3901 HOYT AVE
EVERETT, WA 98201
Pediatrics (Pediatric Cardiology)
3901 HOYT AVE
EVERETT, WA 98201
Family Medicine (Geriatric Medicine)
3901 HOYT AVE
EVERETT, WA 98201
Internal Medicine (Rheumatology)
3901 HOYT AVE
EVERETT, WA 98201
Nurse Practitioner
3901 HOYT AVE
EVERETT, WA 98201

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Shawn Slack's NPI number?

The NPI number for Shawn Slack is 1306853239. It was assigned to this individual provider in the NPPES registry on August 2, 2006.

Where is Shawn Slack located?

Shawn Slack practices at 3901 Hoyt Ave, Everett, WA 98201. The listed phone number is (425) 259-0966.

What is Shawn Slack's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Is Shawn Slack enrolled in Medicare?

Yes. Shawn Slack is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Shawn Slack accept?

Health plans from PacificSource Health Plans, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Shawn Slack as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Shawn Slack was last updated on May 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.