OrganizationActive
Clarity First Labs Inc
NPI 1841782570 · Clinical Medical Laboratory · Rancho Cucamonga, CA
Clarity First Labs Inc is a Clinical Medical Laboratory organization in Rancho Cucamonga, CA (NPI 1841782570).
Provider details
- NPI number
- 1841782570
- Entity type
- Organization
- Primary specialty
- Clinical Medical LaboratoryLaboratories
- Organization subpart
- No
- Authorized official
- Rieyan Marcus, Manager of Billing Operations(909) 443-9046
- License
- 26258 (CA)
Specialties & taxonomies
Laboratories
Profile Score
Established profile(68/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 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
9531 Pittsburgh Ave
Rancho Cucamonga, CA 91730
Phone: (909) 476-2023
Fax: (909) 697-2901
Street-level locationGet directions
Mailing address
9491 Pittsburgh Ave
Rancho Cucamonga, CA 91730-9022
Registry dates
- Enumerated
- 2018-05-30
- Last updated
- 2018-05-30
Frequently asked questions
- What is Clarity First Labs Inc's NPI number?
- Clarity First Labs Inc's National Provider Identifier (NPI) is 1841782570, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Clarity First Labs Inc?
- Clarity First Labs Inc is classified in the NPPES registry as Clinical Medical Laboratory (Laboratories).
- Where is Clarity First Labs Inc located?
- Clarity First Labs Inc's practice location on file with NPPES is 9531 Pittsburgh Ave, Rancho Cucamonga, CA 91730.
- What is Clarity First Labs Inc's phone number?
- The practice phone number listed in the NPPES registry for Clarity First Labs Inc is (909) 476-2023.
- Who is the authorized official for Clarity First Labs Inc?
- The authorized official listed on Clarity First Labs Inc's NPPES record is Rieyan Marcus, Manager of Billing Operations. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Clarity First Labs Inc's NPI active?
- Yes — Clarity First Labs Inc's NPI (1841782570) is active in the NPPES registry as of the last update on 2018-05-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.