Doctor profile · Federal record

Dr. Liam Main

Physical Therapist (CMS: Physical Therapist in Private Practice) · Mercer Island, WA

  • NPI 1841950136
  • Accepts Medicare
  • 5 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
7900 Se 28Th St Ste 102
Mercer Island, WA 980402970
(206) 232-9045
fax (206) 232-8871
Mailing address
11711 Ne 12Th St Ste 3A
Bellevue, WA 980052461

Credentials & registration

NPPES · NUCC
NPI registered
December 2021 — 5 yrs on file
Year of graduation
2021 — 5 yrs since
Specialty taxonomy
225100000X — NUCC code

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1841950136. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
659
Distinct HCPCS
5
Medicare allowed
$20,695
HCPCS Description Services Patients Avg allowed
97112 Therapy procedure to re-educate brain-to-nerve-to-muscle function, each 15 minutes 246 36 $29
97530 Therapy procedure using functional activities 203 32 $37
97140 Therapy procedure using manual technique, each 15 minutes 118 21 $23
97110 Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes 79 21 $24
97162 Evaluation for physical therapy, typically 30 minutes 13 13 $112

In context: peer comparison

Among 9 peers in Mercer Island Physical Therapist, average services per provider: 409. This provider delivers 1.6× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Liam Main's medical specialty?
Dr. Liam Main practices Physical Therapist in Mercer Island, WA.
Where does Dr. Liam Main practice?
Dr. Liam Main practices at 7900 Se 28Th St Ste 102, Mercer Island, WA 980402970. Office phone: 2062329045.
What is Dr. Liam Main's NPI?
Dr. Liam Main's National Provider Identifier (NPI) is 1841950136, issued by NPPES.
Does Dr. Liam Main accept Medicare assignment?
Yes. Dr. Liam Main accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Liam Main commonly perform?
Top Medicare-reported procedures in 2023: Therapy procedure to re-educate brain-to-nerve-to-muscle function (HCPCS 97112); Therapy procedure using functional activities (HCPCS 97530); Therapy procedure using manual technique (HCPCS 97140). Source: CMS Medicare Physician & Other Practitioners file.