William Barreto, M.D.
NPI 1053526285 · Pain Medicine (Physical Medicine & Rehabilitation) Physician · Torrance, CA
Enrolled with Medicare as Practitioner - Pain Management · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Barreto, M.D. is a Pain Medicine (Physical Medicine & Rehabilitation) Physician provider in Torrance, CA (NPI 1053526285).
Provider details
- NPI number
- 1053526285
- Entity type
- Individual
- Primary specialty
- Pain Medicine (Physical Medicine & Rehabilitation) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A91430 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Hospice and Palliative Medicine (Physical Medicine & Rehabilitation) Physician2081H0002XLicense A91430 (CA)
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-05-11
- Last updated
- 2024-04-03
- Certified
- 2024-04-03
Frequently asked questions
- What is William Barreto's NPI number?
- William Barreto's National Provider Identifier (NPI) is 1053526285, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Barreto's specialty?
- William Barreto is listed in the NPPES registry with a primary specialty of Pain Medicine (Physical Medicine & Rehabilitation) Physician (Allopathic & Osteopathic Physicians).
- Where is William Barreto located?
- William Barreto's practice location on file with NPPES is 23530 Hawthorne Blvd Ste 290, Torrance, CA 90505-4713.
- What is William Barreto's phone number?
- The practice phone number listed in the NPPES registry for William Barreto is (424) 903-7007.
- Does William Barreto accept Medicare?
- William Barreto is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Barreto's NPI active?
- Yes — William Barreto's NPI (1053526285) is active in the NPPES registry as of the last update on 2024-04-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.