Crystal Diagnostic Labs, LLC
NPI 1578222436 · Internal Medicine Physician · Torrance, CA
Crystal Diagnostic Labs, LLC is a Internal Medicine Physician organization in Torrance, CA (NPI 1578222436).
Provider details
- NPI number
- 1578222436
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Aaron Zweig, Provider(480) 772-9733
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 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
- 2021-12-08
- Last updated
- 2021-12-08
- Certified
- 2021-12-08
Frequently asked questions
- What is Crystal Diagnostic Labs, LLC's NPI number?
- Crystal Diagnostic Labs, LLC's National Provider Identifier (NPI) is 1578222436, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Crystal Diagnostic Labs, LLC?
- Crystal Diagnostic Labs, LLC is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Crystal Diagnostic Labs, LLC located?
- Crystal Diagnostic Labs, LLC's practice location on file with NPPES is 18760 Crenshaw Blvd, Torrance, CA 90504-5904.
- What is Crystal Diagnostic Labs, LLC's phone number?
- The practice phone number listed in the NPPES registry for Crystal Diagnostic Labs, LLC is (888) 757-2743.
- Who is the authorized official for Crystal Diagnostic Labs, LLC?
- The authorized official listed on Crystal Diagnostic Labs, LLC's NPPES record is Aaron Zweig, Provider. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Crystal Diagnostic Labs, LLC's NPI active?
- Yes — Crystal Diagnostic Labs, LLC's NPI (1578222436) is active in the NPPES registry as of the last update on 2021-12-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.