NPPES file of Aug 9, 2026

Sebastian Sander

Physician Assistant · Seattle, WA

Sebastian Sander is a physician assistant with a practice address in Seattle, Washington, and NPI 1609504687, issued on Aug 9, 2022. 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
1609504687
Name
Sebastian Sander
Primary taxonomy
Physician Assistant 363A00000X
License number
PA63067 CA
Self-reported in NPPES; status is on the state search
Practice location
4311 11TH Ave NE Ste 200, Seattle, WA 98105
Phone
(509) 998-1577
Enumerated
Aug 9, 2022
Record last updated
Aug 16, 2024
Medicare enrollment
Enrolled (PECOS I20231018001360); accepts Medicare assignment
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 4311 11TH Ave NE Ste 200

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

  1. Angelnetta AdamsMedical Physician Assistant1417837741
  2. Eric Anderies, PAPhysician Assistant1679054506
  3. Silas AumellPhysician Assistant1922610443
  4. Kari Ayres, PA-CPhysician Assistant1588335509
  5. Christopher Ball, PAPhysician Assistant1508529660
  6. Sierra BerryStudent in an Organized Health Care Education/Training Program1215899745

Verify Sebastian Sander 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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72% fewer Medicare Part D claims than the average physician assistant in 2024

236 Medicare Part D claims for 127 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 18 claims were for opioids.

  1. Sebastian Sander236
  2. Specialty average830

Most prescribed

  1. Ibuprofen38 claims
  2. Diclofenac Sodium35 claims
  3. Lidocaine27 claims
  4. Naproxen27 claims
  5. Gabapentin18 claims
  6. Methocarbamol16 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): 80.3 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 score65.9
  2. Costout of 100 · 30%79.8
  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).

Bills Medicare through one group practice

  1. Faculty Physicians And Surgeons OF LlusmLoma Linda, CA

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

Sebastian Sander among 3,718 physician assistant records in Washington

Sebastian Sander 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 2022, is newer than 83% of them.

  • NPI issued2022 · 83% of these records are older, 12% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2022 · median 2017 among the 2,460 with a school on file
  • Record last updated2024 · 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. James Anderson, PA-CSeattle, WA 981051427133768
  2. Timothy Coglon, P.A.C.Seattle, WA 981051063442440
  3. Angela D'Appollonio, PA-CSeattle, WA 981051982901617
  4. Douglas Dedo, PA-C, MCHSSeattle, WA 981051174862890
  5. Megan Donnelly, PASeattle, WA 981051578815759
  6. Brendan FinnSeattle, WA 981051194071894
  7. James Foulsham, PA-CSeattle, WA 981051821004904
  8. Sara Handschin, PA-CSeattle, WA 981051740472109

Common questions

What is Sebastian Sander's NPI number?

Sebastian Sander's National Provider Identifier (NPI) is 1609504687, issued on Aug 9, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Sebastian Sander located?

The NPPES record lists a practice address at 4311 11TH Ave NE Ste 200, Seattle, WA, 98105. Phone: (509) 998-1577. Providers update this record themselves, so call before visiting.

How can I verify Sebastian Sander's license?

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

How much does Sebastian Sander prescribe under Medicare Part D?

In 2024, Sebastian Sander had 236 Medicare Part D claims for 127 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.

What is Sebastian Sander's MIPS final score?

The 2023 MIPS final score is 80.3 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.