Samantha Riley, PA-C
Physician Assistant · Port Jefferson, NY
Samantha Riley, PA-C is a physician assistant with a practice address in Port Jefferson, New York, and NPI 1881309326, issued on Jan 19, 2023. Check the license with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Samantha Riley
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- Practice location
- 75 N Country RD, Port Jefferson, NY 11777
- Phone
- (631) 473-1320
- Enumerated
- Jan 19, 2023
- Record last updated
- Apr 27, 2025
- Medicare enrollment
- Enrolled (PECOS I20230317001283); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 15,555 in New York → Look up another NPI →
Also registered at 75 N Country RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Yasser Abdelbaki, M.D.Internal Medicine Physician1790149771
- Omar Ahmad, MDInternal Medicine Physician1043531254
- Mohamed AhmedPsychiatry Physician1912534652
- Fareeha Ajmal, DOHospitalist Physician1285375675
- Sarmad Al Obaidi, MDStudent in an Organized Health Care Education/Training Program1780387662
- Shabab Ali, MDStudent in an Organized Health Care Education/Training Program1497694962
Verify Samantha Riley in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% fewer Medicare Part D claims than the average physician assistant in 2024
273 Medicare Part D claims for 189 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 49 claims were for opioids.
Most prescribed
- Cephalexin32 claims
- Oxycodone-Acetaminophen29 claims
- Oxycodone Hcl18 claims
- Ciprofloxacin Hcl14 claims
- Prednisone14 claims
- Ibuprofen12 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.
Bills Medicare through one group practice
- John T Mather Memorial HospitalPort Jefferson, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Samantha Riley among 15,555 physician assistant records in New York
Samantha Riley, PA-C 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 2023, is newer than 77% of them.
- NPI issued2023 · 77% of these records are older, 17% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 52% of these records are
- Graduated2022 · median 2018 among the 8,158 with a school on file
- Record last updated2025 · 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).
49 physician assistant records list a practice address in Port Jefferson
They are 49 of the 983 NPPES records with a practice address in Port Jefferson, and 15,555 physician assistant records in New York.
All 15,555 in New York → Every provider in Port Jefferson → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Jennifer AnconaPort Jefferson, NY 117771134219124
- Joseph Audiino, P.A.Port Jefferson, NY 117771487620100
- Loretta DidwellPort Jefferson, NY 117771023108057
- Keith Field, P.A.Port Jefferson, NY 117771710953435
- Lori-Ann KneessyPort Jefferson, NY 117771982794897
- Igor Lizogubenko, P.A.Port Jefferson, NY 117771033163035
- Charles Mellor, PAPort Jefferson, NY 117771114014032
- Paul MonthiePort Jefferson, NY 117771871683870
Common questions
What is Samantha Riley, PA-C's NPI number?
Samantha Riley, PA-C's National Provider Identifier (NPI) is 1881309326, issued on Jan 19, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Samantha Riley, PA-C located?
The NPPES record lists a practice address at 75 N Country RD, Port Jefferson, NY, 11777. Phone: (631) 473-1320. Providers update this record themselves, so call before visiting.
How can I verify Samantha Riley, PA-C's license?
Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Samantha Riley, PA-C prescribe under Medicare Part D?
In 2024, Samantha Riley, PA-C had 273 Medicare Part D claims for 189 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.