Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. William Marshall Johnson, PT, DPT, OCS

Individual provider Physical Therapist · NPI 1558368134

Dr. William Marshall Johnson, PT, DPT, OCS is a Physical Therapist in Private Practice in Harrisonburg, Virginia. Qualified in 1994, 32 years ago. Practices with Advantage Results Physical Therapy LLC, a 3-clinician group and accepts Medicare assignment. Licensed in Virginia.

Years since qualifying
32
Licensed in
VA
In the registry since
2005
What do these letters mean?
PT — Physical Therapist
A licensed therapist who treats movement, pain and injury.
DPT — Doctor of Physical Therapy
The doctoral degree now required to enter physical therapy practice.

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Practice location Address checks out

313 Neff Ave Ste C
Harrisonburg, VA 22801-3495
Phone: (540) 434-1200
Fax: (540) 434-1203
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Physical Therapist (primary) Taxonomy 225100000X · Licence 2305005160 (VA)

Record details

NPI number1558368134
Entity typeIndividual (Type 1)
GenderMale
Credentials PT , DPT , OCS
Sole proprietorNo
NPI enumeratedJune 28, 2005
Last updated in NPPESOctober 17, 2011

Medicare enrollment

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

Medicare specialtyPHYSICAL THERAPIST IN PRIVATE PRACTICE
Medical schoolOTHER
Graduated 1994 (32 years in practice)
Group practice Advantage Results Physical Therapy Llc — 3 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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