Doctor profile · Federal record

Dr. Mary Sommer, OTR/L,CHT

Hand Occupational Therapist (CMS: Occupational Therapist in Private Practice) · Lakewood, WA

  • NPI 1790797926
  • Accepts Medicare
  • 43 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5605 100Th St Sw, Ste B
Lakewood, WA 984992710
(253) 284-9800
fax (253) 284-9801
Mailing address
790 Remington Blvd
Bolingbrook, IL 604404909

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
July 17, 2015
Year of graduation
1983 — 43 yrs since
Specialty taxonomy
225XH1200X — NUCC code
State license (1)
Washington #OT00002190
Medicaid
WA #8330532

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1790797926. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,916
Distinct HCPCS
6
Medicare allowed
$52,444
HCPCS Description Services Patients Avg allowed
97110 Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes 960 84 $25
97140 Therapy procedure using manual technique, each 15 minutes 623 82 $21
97112 Therapy procedure to re-educate brain-to-nerve-to-muscle function, each 15 minutes 181 42 $33
97530 Therapy procedure using functional activities 83 34 $34
97166 Evaluation for occupational therapy, typically 45 minutes 50 49 $101
97165 Evaluation for occupational therapy, typically 30 minutes 19 19 $101

In context: peer comparison

Among 1 peers in Lakewood Hand Occupational Therapist, average services per provider: 319. This provider delivers 6.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Mary Sommer's medical specialty?
Dr. Mary Sommer practices Hand Occupational Therapist in Lakewood, WA.
Where does Dr. Mary Sommer practice?
Dr. Mary Sommer practices at 5605 100Th St Sw, Lakewood, WA 984992710. Office phone: 2532849800.
What is Dr. Mary Sommer's NPI?
Dr. Mary Sommer's National Provider Identifier (NPI) is 1790797926, issued by NPPES.
Does Dr. Mary Sommer accept Medicare assignment?
Yes. Dr. Mary Sommer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Sommer 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); Therapy procedure to re-educate brain-to-nerve-to-muscle function (HCPCS 97112). Source: CMS Medicare Physician & Other Practitioners file.