NPPES file of Aug 9, 2026

Michael John De Rosa, PA-C

Physician Assistant · Seattle, WA

Michael John De Rosa, PA-C is a physician assistant with a practice address in Seattle, Washington, and NPI 1083875165, issued on Jun 20, 2008. Check the license (Washington PA61090452, as entered in NPPES) with the Washington board that licenses this profession; 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
1083875165
Name
Michael John De Rosa
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License number
PA61090452 WA
Self-reported in NPPES; status is on the state search
Practice location
1959 NE Pacific St., Seattle, WA 98195
Phone
(206) 520-5000
Enumerated
Jun 20, 2008
Record last updated
Jan 18, 2022
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1959 NE Pacific St.

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

  1. Alireza Abadi, MDDiagnostic Radiology Physician1659861326
  2. Jacob Abel, M.D.Clinical Pathology/Laboratory Medicine Physician1083095319
  3. Noha Aboueldahab, M.D.Nuclear Radiology Physician1053814749
  4. Danielle Abrass, PA-CPhysician Assistant1184140717
  5. Syeda Ahmad, M.DNephrology Physician1255742284
  6. Ahsen Ahmed, MDRadiation Oncology Physician1417510900

Verify Michael John De Rosa in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Washington board licenses this profession
    Search for license PA61090452
    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
Find 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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98% fewer Medicare Part D claims than the average physician assistant in 2024

13 Medicare Part D claims, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Michael De Rosa13
  2. Specialty average830

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.

Michael John De Rosa among 3,718 physician assistant records in Washington

Michael John De Rosa, PA-C is one of 3,718 physician assistant records with a practice address in Washington. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 27% of them.

  • NPI issued2008 · 27% of these records are older, 70% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileNo · 66% of these records are
  • Record last updated2022 · 48% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

828 physician assistant records list a practice address in Seattle

They are 828 of the 41,956 NPPES records with a practice address in Seattle, and 3,718 physician assistant records in Washington.

The 8 physician assistant records with the nearest ZIP codes

  1. Leslie Anderson, PA-CSeattle, WA 981951508887050
  2. Troy Decker, PASeattle, WA 981951962465922
  3. Michelle DeinerSeattle, WA 981951558451401
  4. Lisa GetzendanerSeattle, WA 981951730279688
  5. Erin Hachlinski, PA-CSeattle, WA 981951740213800
  6. Kathleen Keyser, PA-CSeattle, WA 981951760430599
  7. Lyle LarsonSeattle, WA 981951053401919
  8. William LevySeattle, WA 981951407936404

Common questions

What is Michael John De Rosa, PA-C's NPI number?

Michael John De Rosa, PA-C's National Provider Identifier (NPI) is 1083875165, issued on Jun 20, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Michael John De Rosa, PA-C located?

The NPPES record lists a practice address at 1959 NE Pacific St., Seattle, WA, 98195. Phone: (206) 520-5000. Providers update this record themselves, so call before visiting.

How can I verify Michael John De Rosa, PA-C's license?

NPPES lists Washington license number PA61090452, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.

How much does Michael John De Rosa, PA-C prescribe under Medicare Part D?

In 2024, Michael John De Rosa, PA-C had 13 Medicare Part D claims; the average among physician assistant prescribers was 830. 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.

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.