William Membreno
NPI 1639299944 · Rehabilitation Counselor · Los Angeles, CA
William Membreno is a Rehabilitation Counselor provider in Los Angeles, CA (NPI 1639299944).
Provider details
- NPI number
- 1639299944
- Entity type
- Individual
- Primary specialty
- Rehabilitation CounselorRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Sex
- Male
- Sole proprietor
- No
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 tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2007-03-30
- Last updated
- 2007-07-08
Frequently asked questions
- What is William Membreno's NPI number?
- William Membreno's National Provider Identifier (NPI) is 1639299944, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Membreno's specialty?
- William Membreno is listed in the NPPES registry with a primary specialty of Rehabilitation Counselor (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is William Membreno located?
- William Membreno's practice location on file with NPPES is 527 Crocker St, Los Angeles, CA 90013-2116.
- What is William Membreno's phone number?
- The practice phone number listed in the NPPES registry for William Membreno is (213) 488-9559.
- Is William Membreno's NPI active?
- Yes — William Membreno's NPI (1639299944) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.