NPPES file of Aug 9, 2026

Sophia Elizabeth Ellis, PA-C

Physician Assistant · Vancouver, WA

Sophia Elizabeth Ellis, PA-C is a physician assistant with a practice address in Vancouver, Washington, and NPI 1528353604, issued on Jun 16, 2011. Check the license 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1528353604
Name
Sophia Elizabeth Ellis
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
Practice location
200 NE Mother Joseph PL Ste 110, Vancouver, WA 98664
Phone
(360) 254-6161
Enumerated
Jun 16, 2011
Record last updated
Aug 7, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(360) 449-1146
Medicaid ID
1528353604 WA
Medicare enrollment
Enrolled (PECOS I20111018000767); accepts Medicare assignment
Medical or professional school
University Of Colorado School Of Medicine, Denver, 2011
Telehealth
Offers telehealth (CMS)
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 200 NE Mother Joseph PL Ste 110

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

  1. Nathan Ambrose, PA-CSurgical Physician Assistant1285229500
  2. Juliet Anderson, PA-CPhysician Assistant1750074670
  3. Linde BaliolaPhysician Assistant1053959031
  4. Brian Boundy, PASurgical Physician Assistant1295325892
  5. Stephanie Conner, PA-CPhysician Assistant1457809550
  6. Chad CookPhysician Assistant1073276499

Verify Sophia Elizabeth Ellis in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Washington board licenses this professionCheck 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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78% fewer Medicare Part D claims than the average physician assistant in 2024

181 Medicare Part D claims for 140 beneficiaries, 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. 156 claims were for opioids.

  1. Sophia Ellis181
  2. Specialty average830

Most prescribed

  1. Hydrocodone-Acetaminophen91 claims
  2. Oxycodone Hcl48 claims
  3. Tramadol Hcl15 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): 100 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. Qualitynot scored (reweighted)
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  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).

Bills Medicare through one group practice

  1. Northwest Surgical Specialists PCVancouver, WA

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

208 physician assistant records list a practice address in Vancouver

They are 208 of the 10,772 NPPES records with a practice address in Vancouver, and 3,718 physician assistant records in Washington.

Other physician assistant records in Washington

  1. Eric Abarr, PA-CMarysville, WA1598655292
  2. Ahmed Abdelshafy, PA-CCheney, WA1457029795
  3. Sihaam AbdiShoreline, WA1801758289
  4. Nicole Abdullah, PAWenatchee, WA1285032268
  5. Kimberly Abella-Cree, PA-CYakima, WA1548514292
  6. Buddhika AbeyratneOak Harbor, WA1104369560
  7. Danielle Abrass, PA-CSeattle, WA1184140717
  8. Abraham Abu, PA-CSeattle, WA1710036587
  9. Alvin AbuegEverett, WA1396132015
  10. Aaron Adam, PA-CVancouver, WA1447543459

Common questions

What is Sophia Elizabeth Ellis, PA-C's NPI number?

Sophia Elizabeth Ellis, PA-C's National Provider Identifier (NPI) is 1528353604, issued on Jun 16, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Sophia Elizabeth Ellis, PA-C located?

The NPPES record lists a practice address at 200 NE Mother Joseph PL Ste 110, Vancouver, WA, 98664. Phone: (360) 254-6161. Providers update this record themselves, so call before visiting.

How can I verify Sophia Elizabeth Ellis, PA-C's license?

Search the Washington board that licenses this profession; the NPPES record confirms identity only.

How much does Sophia Elizabeth Ellis, PA-C prescribe under Medicare Part D?

In 2024, Sophia Elizabeth Ellis, PA-C had 181 Medicare Part D claims for 140 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.

What is Sophia Elizabeth Ellis, PA-C's MIPS final score?

The 2023 MIPS final score is 100 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.