OrganizationActive
Martha S Crisostomo
NPI 1073767620 · Clinical Medical Laboratory · Ontario, CA
Martha S Crisostomo is a Clinical Medical Laboratory organization in Ontario, CA (NPI 1073767620).
Provider details
- NPI number
- 1073767620
- Entity type
- Organization
- Primary specialty
- Clinical Medical LaboratoryLaboratories
- Organization subpart
- No
- Authorized official
- Martha Crisostomo, Owner(909) 684-2022
- License
- 05D1090838 (CA)
Specialties & taxonomies
Laboratories
Profile Score
Detailed profile(86/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 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
1000 W 4th St
Suite 375
Ontario, CA 91762-1811
Phone: (909) 684-2022
Approximate (ZIP-level) locationGet directions
Mailing address
1000 W 4th St
Ontario, CA 91762-1811
Other names (DBA / former)
- Doing business as
- Ultimate Results
Registry dates
- Enumerated
- 2008-11-10
- Last updated
- 2009-07-31
Frequently asked questions
- What is Martha S Crisostomo's NPI number?
- Martha S Crisostomo's National Provider Identifier (NPI) is 1073767620, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Martha S Crisostomo?
- Martha S Crisostomo is classified in the NPPES registry as Clinical Medical Laboratory (Laboratories).
- Where is Martha S Crisostomo located?
- Martha S Crisostomo's practice location on file with NPPES is 1000 W 4th St, Ontario, CA 91762-1811.
- What is Martha S Crisostomo's phone number?
- The practice phone number listed in the NPPES registry for Martha S Crisostomo is (909) 684-2022.
- Who is the authorized official for Martha S Crisostomo?
- The authorized official listed on Martha S Crisostomo's NPPES record is Martha Crisostomo, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Martha S Crisostomo's NPI active?
- Yes — Martha S Crisostomo's NPI (1073767620) is active in the NPPES registry as of the last update on 2009-07-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.