Siamak Tadayon, PAC
Surgical Physician Assistant · Ny, NY
Siamak Tadayon, PAC is a surgical physician assistant with a practice address in Ny, New York, and NPI 1366596272, issued on Jan 22, 2007. Check the license (New York 008794-1, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Siamak Tadayon
- Credential
- PAC
- Primary taxonomy
- Surgical Physician Assistant 363AS0400X
- License number
- 008794-1 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1901 First AV., Ny, NY 10029
- Phone
- (212) 423-6614
- Enumerated
- Jan 22, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest surgical physician assistant records → All 2,152 in New York → Look up another NPI →
Verify Siamak Tadayon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this profession
Search for license 008794-1Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
59% fewer Medicare Part D claims than the average surgical physician assistant in 2024
124 Medicare Part D claims for 87 beneficiaries, against an average of 304 among the 10,174 providers of this specialty who prescribed in Part D.
Most prescribed
- Ibuprofen30 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.
Siamak Tadayon among 2,152 surgical physician assistant records in New York
Siamak Tadayon, PAC is one of 2,152 surgical physician assistant records with a practice address in New York. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 21% of them.
- NPI issued2007 · 21% of these records are older, 66% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2007 · 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 363AS0400X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
4 surgical physician assistant records list a practice address in Ny
They are 4 of the 389 NPPES records with a practice address in Ny, and 2,152 surgical physician assistant records in New York.
All 2,152 in New York → Every provider in Ny → Surgical Physician Assistant nationwide →
The 8 surgical physician assistant records with the nearest ZIP codes
- Rogelio Bermudez, P.A.-CNew York, NY 100291871733022
- Vita Bruter, RPA-CNew York, NY 100291841373040
- Christine Carbonaro, RPA-CNew York, NY 100291417167891
- Allyson Deutsch, PANew York, NY 100291376780445
- Wing Sze Fung, P.A.New York, NY 100291902050099
- Stacy Heath, P.A.New York, NY 100291639322266
- Jamie Kim, PANew York, NY 100291164498978
- Magdalini Kourounis, PHYSICIAN ASSISTANTNew York, NY 100291699957548
Common questions
What is Siamak Tadayon, PAC's NPI number?
Siamak Tadayon, PAC's National Provider Identifier (NPI) is 1366596272, issued on Jan 22, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Siamak Tadayon, PAC located?
The NPPES record lists a practice address at 1901 First AV., Ny, NY, 10029. Phone: (212) 423-6614. Providers update this record themselves, so call before visiting.
How can I verify Siamak Tadayon, PAC's license?
NPPES lists New York license number 008794-1, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Siamak Tadayon, PAC prescribe under Medicare Part D?
In 2024, Siamak Tadayon, PAC had 124 Medicare Part D claims for 87 beneficiaries; the average among surgical physician assistant prescribers was 304. 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.