NPPES file of Aug 9, 2026

Sylvia Park Nguyen, ARNP

Adult Health Nurse Practitioner · Seattle, WA

Sylvia Park Nguyen, ARNP is an adult health nurse practitioner with a practice address in Seattle, Washington, and NPI 1821612169, issued on Jun 2, 2020. Check the license (Washington AP61322679, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1821612169
Name
Sylvia Park Nguyen
Credential
ARNP
Primary taxonomy
Adult Health Nurse Practitioner 363LA2200X
License numbers
AP61322679 WA
RN60771048 WA
Self-reported in NPPES; status is on the state search
Practice location
1959 NE Pacific St, Seattle, WA 98195
Phone
(206) 543-1995
Enumerated
Jun 2, 2020
Record last updated
Jul 5, 2022
Medicaid ID
1821612169 WA
Medicare enrollment
Enrolled (PECOS I20220714002225); accepts Medicare assignment
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 1959 NE Pacific St

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

  1. Benjamin AaronsonPsychologist1497108880
  2. Laith Abandeh, MDPediatric Radiology Physician1609404243
  3. Rebecca AbayInternal Medicine Physician1528565520
  4. Gifti Abbo, MDStudent in an Organized Health Care Education/Training Program1316688989
  5. Nandini AbburiNeurology Physician1730618349
  6. Mohamed AbdelmotlebDiagnostic Radiology Physician1134892656

Verify Sylvia Park Nguyen 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 AP61322679
    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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44% fewer Medicare Part D claims than the average adult health nurse practitioner in 2024

713 Medicare Part D claims for 216 beneficiaries, against an average of 1,280 among the 16,937 providers of this specialty who prescribed in Part D. 26 claims were for opioids.

  1. Sylvia Nguyen713
  2. Specialty average1,280

Most prescribed

  1. Atorvastatin Calcium38 claims
  2. Amlodipine Besylate34 claims
  3. Omeprazole30 claims
  4. Levothyroxine Sodium25 claims
  5. Fluticasone Propionate12 claims
  6. Irbesartan12 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 MIPS final score for 2023 (Medicare payment program): 93.1 of 100

The Merit-based Incentive Payment System score is reported for this clinician. 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 score74.0
  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; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. The Association OF University PhysiciansSeattle, WA

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

Sylvia Park Nguyen among 546 adult health nurse practitioner records in Washington

Sylvia Park Nguyen, ARNP is one of 546 adult health nurse practitioner records with a practice address in Washington. 63% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 87% of them.

  • NPI issued2020 · 87% of these records are older, 10% newer
  • In a Medicare fileYes · 63% of these records are
  • In the CMS Doctors and Clinicians fileYes · 48% of these records are
  • Graduated2022 · median 2014 among the 264 with a school on file
  • Record last updated2022 · 65% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2200X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Adult Health Nurse Practitioner providers in Washington

There are 546 adult health nurse practitioner records in Washington.

The 8 adult health nurse practitioner records with the nearest ZIP codes

  1. Burgess Bennett, ARNPSeattle, WA 981951104915776
  2. Diane Britt, ARNPSeattle, WA 981951013967975
  3. Barbara Fristoe, ARNPSeattle, WA 981951316991789
  4. Michael Grodesky, ARNPSeattle, WA 981951164440434
  5. Marie Hawley, ARNPSeattle, WA 981951679591945
  6. Nicola Kaye, ARNPSeattle, WA 981951366491987
  7. Heidi Kresken, ARNPSeattle, WA 981951194709469
  8. Christine Leafdale, ARNPSeattle, WA 981951619906393

Common questions

What is Sylvia Park Nguyen, ARNP's NPI number?

Sylvia Park Nguyen, ARNP's National Provider Identifier (NPI) is 1821612169, issued on Jun 2, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Sylvia Park Nguyen, ARNP located?

The NPPES record lists a practice address at 1959 NE Pacific St, Seattle, WA, 98195. Phone: (206) 543-1995. Providers update this record themselves, so call before visiting.

How can I verify Sylvia Park Nguyen, ARNP's license?

NPPES lists Washington license number AP61322679, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.

How much does Sylvia Park Nguyen, ARNP prescribe under Medicare Part D?

In 2024, Sylvia Park Nguyen, ARNP had 713 Medicare Part D claims for 216 beneficiaries; the average among adult health nurse practitioner prescribers was 1,280. Part D covers Medicare prescriptions only.

What is Sylvia Park Nguyen, ARNP's MIPS final score?

The 2023 MIPS final score is 93.1 of 100. 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.