John J. Merrill-Steskal, M.D.
Specialist · Ellensburg, WA
John J. Merrill-Steskal, M.D. is a specialist with a practice address in Ellensburg, Washington, and NPI 1700845609, issued on Mar 20, 2006. Check the license (Washington 2520900031734, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John J. Merrill-Steskal
- Credential
- M.D.
- Primary taxonomy
- Specialist 174400000X
- License number
- 2520900031734 WA
Self-reported in NPPES; status is on the state search - Practice location
- 716 E Manitoba Ave, Ellensburg, WA 98926
- Phone
- (509) 925-3151
- Enumerated
- Mar 20, 2006
- Record last updated
- Mar 23, 2010 (not updated in 16 years: call before relying on the address or phone)
- Medicaid ID
- 8155731 WA
- Medicare enrollment
- Enrolled (PECOS I20090919000053); accepts Medicare assignment
- Medical or professional school
- University Of Kansas School Of Med (Kc/Wich/Sal), 1991
- Entity
- Type 1 · individual
Also registered at 716 E Manitoba Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Marilynn Carr, M.D.Specialist1831168038
- Carissa DahlFamily Medicine Physician1356808596
- Jose Diaz, PA CMedical Physician Assistant1447231790
- Lori Drews, ARNPPsychiatric/Mental Health Nurse Practitioner1922336932
- Bruce Herman, M.D.Specialist1902865900
- Sonja Huebner, ARNPFamily Nurse Practitioner1114259751
Verify John J. Merrill-Steskal in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license 2520900031734Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.4 times the Medicare Part D claims of the average specialist in 2024
4,670 Medicare Part D claims for 385 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 93 claims were for opioids.
Most prescribed
- Atorvastatin Calcium421 claims
- Lisinopril283 claims
- Levothyroxine Sodium230 claims
- Omeprazole157 claims
- Amlodipine Besylate149 claims
- Tamsulosin Hcl128 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): 77.5 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).
Bills Medicare through one group practice
- Kittitas County Public Hospital Dist 1Ellensburg, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
19 specialist records list a practice address in Ellensburg
They are 19 of the 676 NPPES records with a practice address in Ellensburg, and 2,609 specialist records in Washington.
All 19 in Ellensburg → All 2,609 in Washington → Every provider in Ellensburg →
Other specialist records in Washington
- Ruth Aaronson, MASeattle, WA1447794391
- Patti Abbott, LMPSeattle, WA1326364977
- Joni Abdo, LMPSeattle, WA1285760595
- Merry AbeelClyde Hill, WA1407096142
- Daniel Abney, L.M.P.Seattle, WA1740380450
- Julie Abraham, LMPLakewood, WA1285944033
- Ingrid Abrames, ARNPSilverdale, WA1609867571
- Donna Adair, LMPFederal Way, WA1386840486
- Laura Adair, LMPIssaquah, WA1477614907
- Erin Adams, C.N.A., L.M.P.Olympia, WA1649616954
Common questions
What is John J. Merrill-Steskal, M.D.'s NPI number?
John J. Merrill-Steskal, M.D.'s National Provider Identifier (NPI) is 1700845609, issued on Mar 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John J. Merrill-Steskal, M.D. located?
The NPPES record lists a practice address at 716 E Manitoba Ave, Ellensburg, WA, 98926. Phone: (509) 925-3151. Providers update this record themselves, so call before visiting.
How can I verify John J. Merrill-Steskal, M.D.'s license?
NPPES lists Washington license number 2520900031734, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does John J. Merrill-Steskal, M.D. prescribe under Medicare Part D?
In 2024, John J. Merrill-Steskal, M.D. had 4,670 Medicare Part D claims for 385 beneficiaries; the average among specialist prescribers was 1,380. Part D covers Medicare prescriptions only.
What is John J. Merrill-Steskal, M.D.'s MIPS final score?
The 2023 MIPS final score is 77.5 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.