Nikolaos Myriounis, MD
Hematology & Oncology Physician · Kennewick, WA
Nikolaos Myriounis, MD is a hematology & oncology physician with a practice address in Kennewick, Washington, and NPI 1821235474, issued on Jan 17, 2009. Check the license (Washington MD61530077, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Nikolaos Myriounis
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License numbers
- MD61530077 WA
ME145610 FL
87124 GA
Self-reported in NPPES; status is on the state search - Practice location
- 3730 Plaza Way, Kennewick, WA 99338
- Phone
- (509) 221-2449
- Enumerated
- Jan 17, 2009
- Record last updated
- Jun 24, 2025
- Fax
- (509) 221-2433
- Medicare enrollment
- Enrolled (PECOS I20240319004216); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 476 in Washington → Look up another NPI →
Also registered at 3730 Plaza Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Peter Cain, DPT, PTPhysical Therapist1235713561
- Cassady GrahamSpeech-Language Pathologist1518518497
- Tayte Koussa-Bingman, OTDOccupational Therapist1730774712
- Grace LeeSpeech-Language Pathologist1346934981
- Kristy Leitze, MA CCC-SLPSpeech-Language Pathologist1356686927
Verify Nikolaos Myriounis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD61530077Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
56% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
386 Medicare Part D claims for 67 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 39 claims were for opioids.
Most prescribed
- Dexamethasone47 claims
- Oxycodone Hcl26 claims
- Ondansetron Hcl25 claims
- Prednisone24 claims
- Prochlorperazine Maleate24 claims
- Lenalidomide22 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 68.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $42.94
2 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Rcch Trios Health LLCKennewick, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nikolaos Myriounis among 476 hematology & oncology physician records in Washington
Nikolaos Myriounis, MD is one of 476 hematology & oncology physician records with a practice address in Washington. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 52% of them.
- NPI issued2009 · 52% of these records are older, 44% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2004 · median 2006 among the 294 with a school on file
- Record last updated2025 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in Washington
There are 476 hematology & oncology physician records in Washington.
All 476 in Washington → Every provider in Kennewick → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Richard Marquardt, M.D.Kennewick, WA 993371083744353
- Eric Gamboa, MDKennewick, WA 993361396938536
- Nattamol Hosiriluck, M.D.Kennewick, WA 993361831530799
- Arunbhai Patel, MDKennewick, WA 993361649239310
- Thomas Rado, MD PHDKennewick, WA 993361316040736
- Ruben Sierra, MDKennewick, WA 993361598868911
- Ying Zhuo, M.D.Kennewick, WA 993361043491293
- Ted Keyes, M.D.Spokane, WA 992231922196641
Common questions
What is Nikolaos Myriounis, MD's NPI number?
Nikolaos Myriounis, MD's National Provider Identifier (NPI) is 1821235474, issued on Jan 17, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Nikolaos Myriounis, MD located?
The NPPES record lists a practice address at 3730 Plaza Way, Kennewick, WA, 99338. Phone: (509) 221-2449. Providers update this record themselves, so call before visiting.
How can I verify Nikolaos Myriounis, MD's license?
NPPES lists Washington license number MD61530077, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Nikolaos Myriounis, MD prescribe under Medicare Part D?
In 2024, Nikolaos Myriounis, MD had 386 Medicare Part D claims for 67 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Nikolaos Myriounis, MD's MIPS final score?
The 2023 MIPS final score is 68.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.