NPPES file of Aug 9, 2026

Steven Register, M.D.

Radiation Oncology Physician · Yakima, WA

Steven Register, M.D. is a radiation oncology physician with a practice address in Yakima, Washington, and NPI 1245460252, issued on Jul 24, 2009. Check the license (Washington MD60473219, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1245460252
Name
Steven Register
Credential
M.D.
Primary taxonomy
Radiation Oncology Physician 2085R0001X
License number
MD60473219 WA
Self-reported in NPPES; status is on the state search
Practice location
808 N 39TH Ave, Yakima, WA 98902
Phone
(509) 574-3500
Enumerated
Jul 24, 2009
Record last updated
Jun 26, 2014 (not updated in 12 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20140707000434); accepts Medicare assignment
Medical or professional school
Ohio State University College Of Medicine, 2008
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 808 N 39TH Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Mario Chenal, MDHematology & Oncology Physician1285737601
  2. Sean Cleary, MDRadiation Oncology Physician1164501342
  3. Cheryl Davison, MDRadiation Oncology Physician1396824595
  4. Frances HullFamily Nurse Practitioner1336531870
  5. Teresa KennedyPhysical Therapist1003360314
  6. Cheryl Kroes, RD, CDRegistered Dietitian1881864809

Verify Steven Register in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license MD60473219
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Washington license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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6% fewer Medicare Part D claims than the average radiation oncology physician in 2024

126 Medicare Part D claims for 45 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 11 claims were for opioids.

  1. Steven Register126
  2. Specialty average134

Most prescribed

  1. Tamsulosin Hcl79 claims
  2. Lidocaine Hcl Viscous14 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): 85.2 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.

  1. Qualityout of 100 · 30% of the final score70.5
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $33.37

1 payment: food and beverage; the largest payer was Emd Serono, Inc. The 3,275 providers of this specialty with any payment received $1,897.85 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Steven Register$33.37
  2. Specialty average$1,897.85

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

  1. Therapeutic Radiology OF Yakima PLLCYakima, WA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Steven Register among 198 radiation oncology physician records in Washington

Steven Register, M.D. is one of 198 radiation oncology physician records with a practice address in Washington. 80% 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 60% of them.

  • NPI issued2009 · 60% of these records are older, 35% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated2008 · median 2006 among the 141 with a school on file
  • Record last updated2014 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Radiation Oncology Physician providers in Washington

There are 198 radiation oncology physician records in Washington.

The 8 radiation oncology physician records with the nearest ZIP codes

  1. Sean Cleary, MDYakima, WA 989021164501342
  2. Cheryl Davison, MDYakima, WA 989021396824595
  3. Thomas Carlson, MDWenatchee, WA 988011073540704
  4. Robert Fain, MDWenatchee, WA 988011225461148
  5. Nicolas Kummer, M.D.-PH.D.Wenatchee, WA 988011033403852
  6. John Register, MDWenatchee, WA 988011124048368
  7. Won Lee, M.D.Vancouver, WA 986861902894793
  8. Carrie Gotkowitz, M.D.Vancouver, WA 986841679576540

Common questions

What is Steven Register, M.D.'s NPI number?

Steven Register, M.D.'s National Provider Identifier (NPI) is 1245460252, issued on Jul 24, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Steven Register, M.D. located?

The NPPES record lists a practice address at 808 N 39TH Ave, Yakima, WA, 98902. Phone: (509) 574-3500. Providers update this record themselves, so call before visiting.

How can I verify Steven Register, M.D.'s license?

NPPES lists Washington license number MD60473219, 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 Steven Register, M.D. prescribe under Medicare Part D?

In 2024, Steven Register, M.D. had 126 Medicare Part D claims for 45 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.

What is Steven Register, M.D.'s MIPS final score?

The 2023 MIPS final score is 85.2 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.