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

Mr. William Charles Tessendorf, MA, ATC

Individual provider Other Specialist/Technologist · NPI 1912004268

Mr. William Charles Tessendorf, MA, ATC is an Other Specialist/Technologist in Sykesville, Maryland. Practices as a sole proprietor. Licensed in Maryland and Ohio.

Licensed in
MD, OH
In the registry since
2006
Specialties on file
2
What do these letters mean?
MA — Master of Arts
A graduate arts degree.
ATC — Certified Athletic Trainer
Prevents and treats sport and activity injuries.

See every abbreviation used in this directory →

Practice location Address checks out

450 Streaker Rd
Sykesville, MD 21784-8654
Phone: (410) 552-1064
Fax: (410) 701-4103
Show map & directions

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

Specialties & licences

Other Specialist/Technologist (primary) Taxonomy 246Z00000X · Licence A0000067 (MD)
Other Specialist/Technologist Taxonomy 246Z00000X · Licence AT000164 (OH)

Record details

NPI number1912004268
Entity typeIndividual (Type 1)
GenderMale
Credentials MA , ATC
Sole proprietorYes
NPI enumeratedSeptember 20, 2006
Last updated in NPPESJune 10, 2012