Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Nikolaos Myriounis, MD

Individual provider Internal Medicine Physician · NPI 1821235474

Nikolaos Myriounis, MD is a Hematology/Oncology in Kennewick, Washington. Qualified in 2004, 22 years ago. Practices with Rcch Trios Health LLC, a 66-clinician group, works from 4 locations and accepts Medicare assignment. Licensed in Florida, Georgia and Washington.

Years since qualifying
22
Licensed in
FL, GA, WA
In the registry since
2009
Specialties on file
5
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

3730 Plaza Way
Kennewick, WA 99338-2718
Phone: (509) 221-2449
Fax: (509) 221-2433
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (3)

  • 308 Deep South Farm Rd Ste 200, Blairsville, GA 30512-2218 — (770) 496-9430
  • 624 W Martin Luther King Jr Dr, Milledgeville, GA 31061-2787 — (770) 496-9430
  • 10452 Silverdale Way Nw, Silverdale, WA 98383-9411 — (360) 307-7300

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence MD61530077 (WA)
Internal Medicine Physician Taxonomy 207R00000X · Licence ME145610 (FL)
Hematology (Internal Medicine) Physician Taxonomy 207RH0000X · Licence ME145610 (FL)
Hematology & Oncology Physician Taxonomy 207RH0003X · Licence 87124 (GA)
Medical Oncology Physician Taxonomy 207RX0202X · Licence ME145610 (FL)

Record details

NPI number1821235474
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJanuary 17, 2009
Last updated in NPPESJune 24, 2025
Certification dateJune 18, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyHEMATOLOGY/ONCOLOGY
Medical schoolOTHER
Graduated 2004 (22 years in practice)
Group practice Rcch Trios Health Llc — 66 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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