NPPES file of Aug 9, 2026

Julia Siyao Yu

Physician Assistant · Wilmington, DE

Julia Siyao Yu is a physician assistant with a practice address in Wilmington, Delaware, and NPI 1326647488, issued on Oct 20, 2020. Check the license with the Delaware 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
1326647488
Name
Julia Siyao Yu
Primary taxonomy
Physician Assistant 363A00000X
Practice location
2300 Pennsylvania Ave Ste 1A, Wilmington, DE 19806
Phone
(302) 400-9999
Enumerated
Oct 20, 2020
Record last updated
Oct 30, 2025
Fax
(302) 600-3564
Medicare enrollment
Enrolled (PECOS I20250404003107); may accept 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 2300 Pennsylvania Ave Ste 1A

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

  1. Crystal Fassett, FNPCommunity Health Nurse Practitioner1306559125

Verify Julia Siyao Yu in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Delaware 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
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54% fewer Medicare Part D claims than the average physician assistant in 2024

378 Medicare Part D claims for 129 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.

  1. Julia Yu378
  2. Specialty average830

Most prescribed

  1. Clindamycin Phosphate69 claims
  2. Metronidazole47 claims
  3. Fluconazole38 claims
  4. Nystatin37 claims
  5. Alendronate Sodium32 claims
  6. Amoxicillin-Clavulanate Potass27 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.

Industry payments in 2024: $186.27

9 payments; by number, the most common kind was food and beverage; the largest payer was Evofem Biosciences, Inc. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Julia Yu$186.27
  2. Specialty average$841.65

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Julia Siyao Yu among 695 physician assistant records in Delaware

Julia Siyao Yu is one of 695 physician assistant records with a practice address in Delaware. 79% 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 57% of them.

  • NPI issued2020 · 57% of these records are older, 38% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2020 · median 2019 among the 462 with a school on file
  • Record last updated2025 · 34% 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 Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

138 physician assistant records list a practice address in Wilmington

They are 138 of the 6,291 NPPES records with a practice address in Wilmington, and 695 physician assistant records in Delaware.

The 8 physician assistant records with the nearest ZIP codes

  1. Jill DusakWilmington, DE 198061356670376
  2. Bernard Schneider, PA-CWilmington, DE 198061962459925
  3. Corrine Freeland, PA-CWilmington, DE 198051598588949
  4. Jared GenettWilmington, DE 198051376163469
  5. Kaila GlennWilmington, DE 198071306566641
  6. Olivia GoncerzWilmington, DE 198051598478588
  7. Malcolm Hughes, PA-CWilmington, DE 198051871525741
  8. Stefania KaravasilisWilmington, DE 198051013507888

Common questions

What is Julia Siyao Yu's NPI number?

Julia Siyao Yu's National Provider Identifier (NPI) is 1326647488, issued on Oct 20, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Julia Siyao Yu located?

The NPPES record lists a practice address at 2300 Pennsylvania Ave Ste 1A, Wilmington, DE, 19806. Phone: (302) 400-9999. Providers update this record themselves, so call before visiting.

How can I verify Julia Siyao Yu's license?

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

How much does Julia Siyao Yu prescribe under Medicare Part D?

In 2024, Julia Siyao Yu had 378 Medicare Part D claims for 129 beneficiaries; 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.