William Barclay
NPI 1316617764 · Physical Medicine & Rehabilitation Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Physical Therapist in Private Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Barclay is a Physical Medicine & Rehabilitation Physician provider in Los Angeles, CA (NPI 1316617764).
Provider details
- NPI number
- 1316617764
- Entity type
- Individual
- Primary specialty
- Physical Medicine & Rehabilitation PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 301037 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
4 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
1,070 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 to Re-Educate Brain-To-Nerve-To-Muscle Function, Each 15 Minutes97112 | 463 | $29 |
| Therapy Procedure Using Exercise to Develop Strength, Endurance, Range of Motion, and Flexibility, Each 15 Minutes97110 | 210 | $24 |
| Training for Self-Care Or Home Management, Each 15 Minutes97535 | 159 | $30 |
| Therapy Procedure Using Manual Technique, Each 15 Minutes97140 | 110 | $22 |
| Therapy Procedure Using Functional Activities97530 | 104 | $34 |
| Evaluation for Physical Therapy, Typically 45 Minutes97163 | 24 | $109 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-09-16
- Last updated
- 2021-09-16
- Certified
- 2021-09-16
Frequently asked questions
- What is William Barclay's NPI number?
- William Barclay's National Provider Identifier (NPI) is 1316617764, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Barclay's specialty?
- William Barclay is listed in the NPPES registry with a primary specialty of Physical Medicine & Rehabilitation Physician (Allopathic & Osteopathic Physicians).
- Where is William Barclay located?
- William Barclay's practice location on file with NPPES is 11500 W Olympic Blvd Ste 415, Los Angeles, CA 90064-1536.
- What is William Barclay's phone number?
- The practice phone number listed in the NPPES registry for William Barclay is (424) 225-1845.
- Does William Barclay accept Medicare?
- William Barclay is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Barclay's NPI active?
- Yes — William Barclay's NPI (1316617764) is active in the NPPES registry as of the last update on 2021-09-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.