Doctor profile · Federal record

Dr. Brian Williamson, PT

Physical Therapist (CMS: Physical Therapist in Private Practice) · San Jose, CA

  • NPI 1841273208
  • Accepts Medicare
  • 42 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1505 Meridian Ave, Ste A
San Jose, CA 951255353
(408) 264-6643
fax (408) 264-6652

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
April 23, 2015
Year of graduation
1984 — 42 yrs since
Specialty taxonomy
225100000X — NUCC code
State license (1)
California #PT12361

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1841273208. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
5,695
Distinct HCPCS
10
Medicare allowed
$144,170
HCPCS Description Services Patients Avg allowed
97110 Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes 2,774 179 $29
97140 Therapy procedure using manual technique, each 15 minutes 1,264 134 $23
G0283 Electrical stimulation (unattended), to one or more areas for indication(s) other than wound care, as part of a therapy plan of care 767 92 $10
97035 Application of ultrasound, each 15 minutes 489 81 $12
97112 Therapy procedure to re-educate brain-to-nerve-to-muscle function, each 15 minutes 142 30 $34
97116 Therapy procedure for walking training, each 15 minutes 100 12 $24
97162 Evaluation for physical therapy, typically 30 minutes 67 65 $118
97033 Application of medication using electrical current, each 15 minutes 40 17 $16
97161 Evaluation for physical therapy, typically 20 minutes 40 38 $118
97163 Evaluation for physical therapy, typically 45 minutes 12 12 $118

In context: peer comparison

Among 40 peers in San Jose Physical Therapist, average services per provider: 379. This provider delivers 15× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Brian Williamson's medical specialty?
Dr. Brian Williamson practices Physical Therapist in San Jose, CA.
Where does Dr. Brian Williamson practice?
Dr. Brian Williamson practices at 1505 Meridian Ave, San Jose, CA 951255353. Office phone: 4082646643.
What is Dr. Brian Williamson's NPI?
Dr. Brian Williamson's National Provider Identifier (NPI) is 1841273208, issued by NPPES.
Does Dr. Brian Williamson accept Medicare assignment?
Yes. Dr. Brian Williamson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Brian Williamson commonly perform?
Top Medicare-reported procedures in 2023: Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility (HCPCS 97110); Therapy procedure using manual technique (HCPCS 97140); Electrical stimulation (unattended), to one or more areas for indication(s) other than wound care, as part of a therapy plan of care (HCPCS G0283). Source: CMS Medicare Physician & Other Practitioners file.