Knox Diagnostics, LLC
NPI 1174389647 · Clinical Medical Laboratory · Merrillville, IN
Enrolled with Medicare as Part B Supplier - Independent Clinical Laboratory · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Knox Diagnostics, LLC is a Clinical Medical Laboratory organization in Merrillville, IN (NPI 1174389647).
Provider details
- NPI number
- 1174389647
- Entity type
- Organization
- Primary specialty
- Clinical Medical LaboratoryLaboratories
- Organization subpart
- No
- Authorized official
- Rochelle Knox-Smith, Owner(872) 233-4509
Specialties & taxonomies
Laboratories
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 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
- 2024-02-22
- Last updated
- 2024-03-14
- Certified
- 2024-03-14
Frequently asked questions
- What is Knox Diagnostics, LLC's NPI number?
- Knox Diagnostics, LLC's National Provider Identifier (NPI) is 1174389647, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Knox Diagnostics, LLC?
- Knox Diagnostics, LLC is classified in the NPPES registry as Clinical Medical Laboratory (Laboratories).
- Where is Knox Diagnostics, LLC located?
- Knox Diagnostics, LLC's practice location on file with NPPES is 521 E 86th Ave, Merrillville, IN 46410-6173.
- What is Knox Diagnostics, LLC's phone number?
- The practice phone number listed in the NPPES registry for Knox Diagnostics, LLC is (872) 233-4509.
- Does Knox Diagnostics, LLC accept Medicare?
- Knox Diagnostics, LLC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Knox Diagnostics, LLC?
- The authorized official listed on Knox Diagnostics, LLC's NPPES record is Rochelle Knox-Smith, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Knox Diagnostics, LLC's NPI active?
- Yes — Knox Diagnostics, LLC's NPI (1174389647) is active in the NPPES registry as of the last update on 2024-03-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.