Peninsula Sleep Lab
NPI 1023321130 · Clinical Medical Laboratory · South San Francisco, CA
Peninsula Sleep Lab is a Clinical Medical Laboratory organization in South San Francisco, CA (NPI 1023321130).
Provider details
- NPI number
- 1023321130
- Entity type
- Organization
- Primary specialty
- Clinical Medical LaboratoryLaboratories
- Organization subpart
- No
- Authorized official
- John Verzosa, Managing Member(415) 279-9336
- License
- 4842057 (DE)
Specialties & taxonomies
Laboratories
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 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
- 2010-07-17
- Last updated
- 2011-04-12
Frequently asked questions
- What is Peninsula Sleep Lab's NPI number?
- Peninsula Sleep Lab's National Provider Identifier (NPI) is 1023321130, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Peninsula Sleep Lab?
- Peninsula Sleep Lab is classified in the NPPES registry as Clinical Medical Laboratory (Laboratories).
- Where is Peninsula Sleep Lab located?
- Peninsula Sleep Lab's practice location on file with NPPES is 91 Westborough Blvd, South San Francisco, CA 94080-3162.
- What is Peninsula Sleep Lab's phone number?
- The practice phone number listed in the NPPES registry for Peninsula Sleep Lab is (650) 741-4180.
- Who is the authorized official for Peninsula Sleep Lab?
- The authorized official listed on Peninsula Sleep Lab's NPPES record is John Verzosa, Managing Member. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Peninsula Sleep Lab's NPI active?
- Yes — Peninsula Sleep Lab's NPI (1023321130) is active in the NPPES registry as of the last update on 2011-04-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.