Mary Sommer, OTR/L,CHT
NPI 1790797926 · Hand Occupational Therapist · Lakewood, WA
Enrolled with Medicare as Practitioner - Occupational Therapist in Private Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Sommer, OTR/L,CHT is a Hand Occupational Therapist provider in Lakewood, WA (NPI 1790797926).
Provider details
- NPI number
- 1790797926
- Entity type
- Individual
- Primary specialty
- Hand Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- OTR/L,CHT
- Sex
- Female
- Sole proprietor
- No
- License
- OT00002190 (WA)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,699 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Therapy Procedure Using Exercise to Develop Strength, Endurance, Range of Motion, and Flexibility, Each 15 Minutes97110 | 655 | $24 |
| Therapy Procedure Using Manual Technique, Each 15 Minutes97140 | 501 | $21 |
| Therapy Procedure Using Functional Activities97530 | 410 | $35 |
| Evaluation for Occupational Therapy, Typically 45 Minutes97166 | 46 | $101 |
| Follow-Up Training in the Use of Orthopedic Device Or Artificial Arm, Leg And/Or Trunk, Each 15 Minutes97763 | 40 | $48 |
| Training for Self-Care Or Home Management, Each 15 Minutes97535 | 31 | $26 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-13
- Last updated
- 2015-07-17
Frequently asked questions
- What is Mary Sommer's NPI number?
- Mary Sommer's National Provider Identifier (NPI) is 1790797926, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Sommer's specialty?
- Mary Sommer is listed in the NPPES registry with a primary specialty of Hand Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Mary Sommer located?
- Mary Sommer's practice location on file with NPPES is 5605 100th St Sw, Lakewood, WA 98499-2710.
- What is Mary Sommer's phone number?
- The practice phone number listed in the NPPES registry for Mary Sommer is (253) 284-9800.
- Does Mary Sommer accept Medicare?
- Mary Sommer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Sommer's NPI active?
- Yes — Mary Sommer's NPI (1790797926) is active in the NPPES registry as of the last update on 2015-07-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.