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

Mark K Semanski, PA-C

Individual provider Physician Assistant · NPI 1659862357

Mark K Semanski, PA-C is a Physician Assistant in Newark, Delaware. Qualified in 2018, 8 years ago. Practices with Christiana Care Health Services Inc, a 1,481-clinician group and accepts Medicare assignment. Licensed in Delaware.

Years since qualifying
8
Licensed in
DE
In the registry since
2018
Specialties on file
2
What do these letters mean?
PA-C — Physician Assistant, Certified
A physician assistant who holds current national certification.

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Practice location Address checks out

4755 Ogletown Stanton Rd
Newark, DE 19718-3530
Phone: (302) 733-2475
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X
Physician Assistant Taxonomy 363A00000X · Licence C5-0001223 (DE)

Record details

NPI number1659862357
Entity typeIndividual (Type 1)
GenderMale
Credentials PA-C
Sole proprietorNo
NPI enumeratedMay 29, 2018
Last updated in NPPESJune 22, 2022
Certification dateJune 22, 2022

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2018 (8 years in practice)
Group practice Christiana Care Health Services Inc — 1481 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations6 on file with Medicare

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