Louie Tsiktsiris, MD
NPI 1720086168 · Rheumatology Physician · Everett, WA
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Louie Tsiktsiris, MD is a Rheumatology Physician provider in Everett, WA (NPI 1720086168).
Provider details
- NPI number
- 1720086168
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD60614080 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
1,499 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Dxa Bone Density Measurement of Hip, Pelvis, Spine77080 | 288 | $40 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 251 | $9 |
| Measurement C-Reactive Protein for Detection of Infection Or Inflammation86140 | 183 | $5 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 147 | $178 |
| Red Blood Cell Sedimentation Rate, to Detect Inflammation, Automated85652 | 142 | $3 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 304 | 107 |
| Methotrexate Sodiumbrand: Methotrexate | 264 | 90 |
| Hydroxychloroquine Sulfate | 92 | 37 |
| Alendronate Sodium | 57 | 18 |
| Folic Acid | 44 | 17 |
| Leflunomide | 39 | 16 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 32 |
Practice location
Mailing address
Additional practice locations (1)
- 11800 Ne 128th St Ste 560Kirkland, WA 98034-7208Phone: (425) 899-5200Fax: (425) 899-5204
Registry dates
- Enumerated
- 2005-07-11
- Last updated
- 2026-05-14
- Certified
- 2026-05-14
Frequently asked questions
- What is Louie Tsiktsiris's NPI number?
- Louie Tsiktsiris's National Provider Identifier (NPI) is 1720086168, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Louie Tsiktsiris's specialty?
- Louie Tsiktsiris is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Louie Tsiktsiris located?
- Louie Tsiktsiris's practice location on file with NPPES is 3901 Hoyt Ave, Everett, WA 98201-4918.
- What is Louie Tsiktsiris's phone number?
- The practice phone number listed in the NPPES registry for Louie Tsiktsiris is (425) 339-5445.
- Does Louie Tsiktsiris accept Medicare?
- Louie Tsiktsiris is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Louie Tsiktsiris's NPI active?
- Yes — Louie Tsiktsiris's NPI (1720086168) is active in the NPPES registry as of the last update on 2026-05-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.