Elizabeth Williamson, D,P,T
NPI 1265470884 · Physical Therapist · Oak Park, IL
Enrolled with Medicare as Practitioner - Physical Therapist in Private Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Elizabeth Williamson, D,P,T is a Physical Therapist provider in Oak Park, IL (NPI 1265470884).
Provider details
- NPI number
- 1265470884
- Entity type
- Individual
- Primary specialty
- Physical TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- D,P,T
- Sex
- Female
- Sole proprietor
- No
- License
- 070.015086 (IL)
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
20 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
866 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 Manual Technique, Each 15 Minutes97140 | 332 | $21 |
| Therapy Procedure Using Exercise to Develop Strength, Endurance, Range of Motion, and Flexibility, Each 15 Minutes97110 | 183 | $23 |
| Therapy Procedure Using Functional Activities97530 | 111 | $32 |
| Therapy Procedure to Re-Educate Brain-To-Nerve-To-Muscle Function, Each 15 Minutes97112 | 104 | $28 |
| Therapy Procedure in a Group Setting97150 | 62 | $16 |
| Re-Evaluation for Physical Therapy, Typically 20 Minutes97164 | 36 | $69 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-04
- Last updated
- 2009-08-10
Frequently asked questions
- What is Elizabeth Williamson's NPI number?
- Elizabeth Williamson's National Provider Identifier (NPI) is 1265470884, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Elizabeth Williamson's specialty?
- Elizabeth Williamson is listed in the NPPES registry with a primary specialty of Physical Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Elizabeth Williamson located?
- Elizabeth Williamson's practice location on file with NPPES is 610 S Maple Ave, Oak Park, IL 60304-1091.
- What is Elizabeth Williamson's phone number?
- The practice phone number listed in the NPPES registry for Elizabeth Williamson is (708) 934-7062.
- Does Elizabeth Williamson accept Medicare?
- Elizabeth Williamson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Elizabeth Williamson's NPI active?
- Yes — Elizabeth Williamson's NPI (1265470884) is active in the NPPES registry as of the last update on 2009-08-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.