LOUIE E TSIKTSIRIS MD
NPI 1720086168
Internal Medicine - Rheumatology in Everett, WA

Active since July 11, 2005PECOS EnrolledAccepts Medicare Assignment
3901 HOYT AVE, EVERETT, WA 98201(425) 339-5445(425) 303-3097 Get Directions Write a Review

NPPES record last updated: May 14, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: May 14, 2026, Jan 6, 2021, Sep 30, 2016 and 1 more (4 updates tracked since 2016).

About Louie E Tsiktsiris Md NPPES

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

LOUIE E TSIKTSIRIS MD (NPI 1720086168) is an individual rheumatology provider in Everett, Washington, licensed in Washington (MD60614080) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS, maintains a secondary practice location in Kirkland, and is a graduate of Other (1993).

NPPES Registry Identity

NPI1720086168
Entity TypeIndividualMale
Primary Taxonomy207RR0500X
Provider Legal NameLOUIE E TSIKTSIRISCredential: MD
Location Address3901 HOYT AVEEverett, WA 98201-4918
Mailing Address7600 Evergreen WayEverett, WA 98203-6421 · (206) 860-5414
Fax(425) 303-3097
Sole ProprietorNo
Medical School CMSOtherGraduated 1993
Enumeration DateJuly 11, 2005
Last NPPES UpdateMay 14, 20264 updates tracked since enumeration
NPPES CertifiedMay 14, 2026
NPI 1720086168 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 · MD60614080
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

Secondary Practice Location 1

Location 111800 NE 128th St Ste 560Kirkland, WA 98034-7208 · Phone (425) 899-5200 · Fax (425) 899-5204

Other Identifiers 2

Medicaid89130H7NC
Medicaid2056359WA

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

Louie E Tsiktsiris 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 ID7517960123
PECOS Enrollment IDI20160802002301
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 13

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.

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.
288 services288 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.
251 services98 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.
183 services71 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
147 services94 patients
Red blood cell sedimentation rate, to detect inflammation, automated 85652
The Red Blood Cell Sedimentation Rate is a test that helps detect inflammation in the body. It's automated, meaning a machine does the work. This test measures how fast red blood cells settle at the bottom of a tube in an hour. A faster rate may indicate inflammation.
142 services44 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.
134 services52 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 Louie Tsiktsiris's NPI number?

The NPI number for Louie Tsiktsiris is 1720086168. It was assigned to this individual provider in the NPPES registry on July 11, 2005.

Where is Louie Tsiktsiris located?

Louie Tsiktsiris practices at 3901 Hoyt Ave, Everett, WA 98201. The listed phone number is (425) 339-5445.

What is Louie Tsiktsiris's specialty?

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

Is Louie Tsiktsiris enrolled in Medicare?

Yes. Louie Tsiktsiris 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 Louie Tsiktsiris accept?

Health plans from PacificSource Health Plans, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Louie Tsiktsiris 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 Louie Tsiktsiris was last updated on May 14, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.