On-Site Samples
NPI 1891547477 · Clinical Medical Laboratory · Houston, TX
Enrolled with Medicare as Part B Supplier - Independent Clinical Laboratory · source: CMS PECOS Public Provider Enrollment (2026.04.01)
On-Site Samples is a Clinical Medical Laboratory organization in Houston, TX (NPI 1891547477).
Provider details
- NPI number
- 1891547477
- Entity type
- Organization
- Primary specialty
- Clinical Medical LaboratoryLaboratories
- Organization subpart
- No
- Authorized official
- Sharronica Stewart, Laboratory Director(877) 302-4700
Specialties & taxonomies
Laboratories
- Phlebotomy Technician246RP1900X
Technologists, Technicians & Other Technical Service Providers
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
2 documented practice locations
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
Additional practice locations (1)
- 8303 Pasha DrHouston, TX 77040-1520Phone: (601) 462-1292
Registry dates
- Enumerated
- 2024-04-04
- Last updated
- 2025-04-09
- Certified
- 2025-04-09
Frequently asked questions
- What is On-Site Samples's NPI number?
- On-Site Samples's National Provider Identifier (NPI) is 1891547477, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is On-Site Samples?
- On-Site Samples is classified in the NPPES registry as Clinical Medical Laboratory (Laboratories).
- Where is On-Site Samples located?
- On-Site Samples's practice location on file with NPPES is 8303 Pasha Dr, Houston, TX 77040-1520.
- What is On-Site Samples's phone number?
- The practice phone number listed in the NPPES registry for On-Site Samples is (601) 462-1292.
- Does On-Site Samples accept Medicare?
- On-Site Samples 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 On-Site Samples?
- The authorized official listed on On-Site Samples's NPPES record is Sharronica Stewart, Laboratory Director. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is On-Site Samples's NPI active?
- Yes — On-Site Samples's NPI (1891547477) is active in the NPPES registry as of the last update on 2025-04-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.