Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Steven D Tiernan, PA

Individual provider Physician Assistant · NPI 1437191277

Steven D Tiernan, PA is a Physician Assistant in Watertown, New York. Qualified in 2002, 24 years ago. Practices with Samaritan Medical Center, a 158-clinician group, accepts Medicare assignment and offers telehealth. Licensed in New York.

Years since qualifying
24
Licensed in
NY
In the registry since
2006
What do these letters mean?
PA — Physician Assistant
A licensed clinician who examines, diagnoses and treats under a physician's supervision.

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Practice location Address checks out

22670 Summit Dr Ste 3
Watertown, NY 13601-7208
Phone: (315) 755-2560
Fax: (315) 755-2597
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence 009062 (NY)

Record details

NPI number1437191277
Entity typeIndividual (Type 1)
GenderMale
Credentials PA
Sole proprietorNo
NPI enumeratedJune 12, 2006
Last updated in NPPESAugust 31, 2015

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2002 (24 years in practice)
Group practice Samaritan Medical Center — 158 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations4 on file with Medicare

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