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

Mr. Marshall Francis Sinback Jr., PA-C

Individual provider Physician Assistant · NPI 1174523393

Mr. Marshall Francis Sinback Jr., PA-C is a Physician Assistant in Martinsburg, West Virginia. Licensed in Massachusetts and Virginia. Registered with an NPI since 2005.

Licensed in
MA, VA
In the registry since
2005
Specialties on file
4
What do these letters mean?
PA-C — Physician Assistant, Certified
A physician assistant who holds current national certification.

See every abbreviation used in this directory →

Practice location Address checks out

510 Butler Ave Martinsburg VA Medical Ctr
Martinsburg, WV 25401-9990
Phone: (304) 263-0811
Fax: (304) 262-1397
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Surgical Physician Assistant (primary) Taxonomy 363AS0400X · Licence 0110002091 (VA)
Physician Assistant Taxonomy 363A00000X · Licence 0110002091 (VA)
Physician Assistant Taxonomy 363A00000X · Licence 1346 (MA)
Surgical Physician Assistant Taxonomy 363AS0400X · Licence 1346 (MA)

Record details

NPI number1174523393
Entity typeIndividual (Type 1)
GenderMale
Credentials PA-C
Sole proprietorNo
NPI enumeratedJuly 29, 2005
Last updated in NPPESJuly 13, 2026

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