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

Mr. William S Arnold Jr., PA-C

Individual provider Physician Assistant · NPI 1255351359

Mr. William S Arnold Jr., PA-C is a Physician Assistant in Baltimore, Maryland. Licensed in Maryland. Registered with an NPI since 2006.

Licensed in
MD
In the registry since
2006
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

3333 N Calvert St Ste 400
Baltimore, MD 21218-2867
Phone: (410) 554-2270
Fax: (410) 554-2832
Show map & directions

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

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence C0002873 (MD)

Record details

NPI number1255351359
Entity typeIndividual (Type 1)
GenderMale
Credentials PA-C
Sole proprietorNo
NPI enumeratedJuly 20, 2006
Last updated in NPPESJuly 8, 2007

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