NPPES file of Aug 9, 2026

Si Woo An

Physician Assistant · Rock Tavern, NY

Si Woo An is a physician assistant with a practice address in Rock Tavern, New York, and NPI 1356063341, issued on Sep 15, 2022. Check the license with the New York 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
1356063341
Name
Si Woo An
Primary taxonomy
Physician Assistant 363A00000X
Practice location
3 Wild Turkey LN, Rock Tavern, NY 12575
Phone
(201) 364-8465
Enumerated
Sep 15, 2022
Record last updated
Sep 15, 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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Verify Si Woo An in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New York 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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97% fewer Medicare Part D claims than the average physician assistant in 2024

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

  1. Si Woo An28
  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.

Si Woo An among 15,555 physician assistant records in New York

Si Woo An is one of 15,555 physician assistant records with a practice address in New York. 74% 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 71% of them.

  • NPI issued2022 · 71% of these records are older, 23% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileNo · 52% 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 New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1 physician assistant record lists a practice address in Rock Tavern

They are 1 of the 16 NPPES records with a practice address in Rock Tavern, and 15,555 physician assistant records in New York.

The 8 physician assistant records with the nearest ZIP codes

  1. Mitchell Forshey, PARhinebeck, NY 125721831861939
  2. Michael Harris, RPA-CRhinebeck, NY 125721588674758
  3. Christine Henry, PA-CSalt Point, NY 125781669102638
  4. Lori Macisaac, R PACRhinebeck, NY 125721174588495
  5. Danielle Rodriguez, PA-CRhinebeck, NY 125721417474073
  6. Theresa Skelly, PA-CRhinebeck, NY 125721265420061
  7. Mary Yegoryan, PARed Hook, NY 125711992266233
  8. Phyllis Randall, PAPleasant Valley, NY 125691235162892

Common questions

What is Si Woo An's NPI number?

Si Woo An's National Provider Identifier (NPI) is 1356063341, issued on Sep 15, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Si Woo An located?

The NPPES record lists a practice address at 3 Wild Turkey LN, Rock Tavern, NY, 12575. Phone: (201) 364-8465. Providers update this record themselves, so call before visiting.

How can I verify Si Woo An's license?

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

How much does Si Woo An prescribe under Medicare Part D?

In 2024, Si Woo An had 28 Medicare Part D claims for 18 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.