OrganizationActive
Core Diagnostics Inc.
NPI 1003128646 · Clinical Medical Laboratory · Hayward, CA
Core Diagnostics Inc. is a Clinical Medical Laboratory organization in Hayward, CA (NPI 1003128646).
Provider details
- NPI number
- 1003128646
- Entity type
- Organization
- Primary specialty
- Clinical Medical LaboratoryLaboratories
- Organization subpart
- No
- Authorized official
- Krishnamurthy Balachandran, Ceo(650) 532-9506
Specialties & taxonomies
Laboratories
Profile Score
Detailed profile(83/100 index)
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
3535 Breakwater Ave
Hayward, CA 94545-3610
Phone: (650) 532-9500
Fax: (650) 532-9550
Street-level locationGet directions
Mailing address
3535 Breakwater Ave
Hayward, CA 94545-3610
Other names (DBA / former)
- Former legal business name
- Oncomdx Inc.
Registry dates
- Enumerated
- 2010-07-12
- Last updated
- 2017-01-31
Frequently asked questions
- What is Core Diagnostics Inc.'s NPI number?
- Core Diagnostics Inc.'s National Provider Identifier (NPI) is 1003128646, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Core Diagnostics Inc.?
- Core Diagnostics Inc. is classified in the NPPES registry as Clinical Medical Laboratory (Laboratories).
- Where is Core Diagnostics Inc. located?
- Core Diagnostics Inc.'s practice location on file with NPPES is 3535 Breakwater Ave, Hayward, CA 94545-3610.
- What is Core Diagnostics Inc.'s phone number?
- The practice phone number listed in the NPPES registry for Core Diagnostics Inc. is (650) 532-9500.
- Who is the authorized official for Core Diagnostics Inc.?
- The authorized official listed on Core Diagnostics Inc.'s NPPES record is Krishnamurthy Balachandran, Ceo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Core Diagnostics Inc.'s NPI active?
- Yes — Core Diagnostics Inc.'s NPI (1003128646) is active in the NPPES registry as of the last update on 2017-01-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.