NPPES file of Aug 9, 2026

Michael R. Nelsen, M.D.

Diagnostic Radiology Physician · Federal Way, WA

Michael R. Nelsen, M.D. is a diagnostic radiology physician with a practice address in Federal Way, Washington, and NPI 1124028568, issued on Jul 28, 2005. Check the license (Washington MD00036302, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1124028568
Name
Michael R. Nelsen
Credential
M.D.
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License number
MD00036302 WA
Self-reported in NPPES; status is on the state search
Practice location
533 S 336TH St, Federal Way, WA 98003
Phone
(253) 661-1700
Enumerated
Jul 28, 2005
Record last updated
Jan 27, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(253) 661-4565
Medicaid ID
8271041 WA
Medicare enrollment
Enrolled (PECOS I20050720000433); accepts Medicare assignment
Medical or professional school
University Of Washington School Of Medicine, 1995
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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8 nearest diagnostic radiology physician records → All 1,041 in Washington → Look up another NPI →

Also registered at 533 S 336TH St

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

  1. John Bauman, M.D.Diagnostic Radiology Physician1417956236
  2. John Bowen, M.D.Diagnostic Radiology Physician1306845128
  3. James Chen, M.D.Diagnostic Radiology Physician1659370328
  4. Paul Chikos, M.D.Diagnostic Radiology Physician1538168216
  5. Sam Chun, M.D.Diagnostic Radiology Physician1396720611
  6. Melissa Denison, ARNPAcute Care Nurse Practitioner1306130505

Verify Michael R. Nelsen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license MD00036302    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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29% fewer Medicare Part D claims than the average diagnostic radiology physician in 2024

36 Medicare Part D claims, against an average of 51 among the 2,711 providers of this specialty who prescribed in Part D.

  1. Michael Nelsen36
  2. Specialty average51

Most prescribed

  1. Clotrimazole-Betamethasone11 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.

Bills Medicare through one group practice

  1. Vantage Radiology And Diagnostic Services, A Professional Services CorRenton, WA

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

Michael R. Nelsen among 1,041 diagnostic radiology physician records in Washington

Michael R. Nelsen, M.D. is one of 1,041 diagnostic radiology physician records with a practice address in Washington. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 90% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated1995 · median 2004 among the 682 with a school on file
  • Record last updated2012 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

48 diagnostic radiology physician records list a practice address in Federal Way

They are 48 of the 2,770 NPPES records with a practice address in Federal Way, and 1,041 diagnostic radiology physician records in Washington.

All 1,041 in Washington → Every provider in Federal Way → Diagnostic Radiology Physician nationwide →

The 8 diagnostic radiology physician records with the nearest ZIP codes

  1. John Bauman, M.D.Federal Way, WA 980031417956236
  2. John Bowen, M.D.Federal Way, WA 980031306845128
  3. James Chen, M.D.Federal Way, WA 980031659370328
  4. Paul Chikos, M.D.Federal Way, WA 980031538168216
  5. Gordon Greenman, M.D.Federal Way, WA 980031831198514
  6. Robert Heathcock, M.D.Federal Way, WA 980031548269137
  7. Virginia Klaas, M.D.Federal Way, WA 980031639178320
  8. Robert Klein, M.D.Federal Way, WA 980031487653085

Common questions

What is Michael R. Nelsen, M.D.'s NPI number?

Michael R. Nelsen, M.D.'s National Provider Identifier (NPI) is 1124028568, issued on Jul 28, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Michael R. Nelsen, M.D. located?

The NPPES record lists a practice address at 533 S 336TH St, Federal Way, WA, 98003. Phone: (253) 661-1700. Providers update this record themselves, so call before visiting.

How can I verify Michael R. Nelsen, M.D.'s license?

NPPES lists Washington license number MD00036302, 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 Michael R. Nelsen, M.D. prescribe under Medicare Part D?

In 2024, Michael R. Nelsen, M.D. had 36 Medicare Part D claims; the average among diagnostic radiology physician prescribers was 51. Part D covers Medicare prescriptions only.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.