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Marcus Osuna

Certified Phlebotomist

phlebotomist San Diego County, CA Quest Diagnostics

j.doe@example.com (555) 123-4567 linkedin.com/in/...

Reveal Contact Info

Overview

Level

Staff

Tenure

10 years at Quest Diagnostics

Gender

Male

Connections

Position in HealthTal Database

19,992 healthcare professionals in HealthTal hold the phlebotomist specialty. Marcus Osuna is one of them.
1,484 phlebotomists are based in CA (out of 155,461 total healthcare contacts in that state).
1,437 contacts at Quest Diagnostics are tracked in HealthTal.
Top employers of phlebotomists in CA: Quest Diagnostics (138), Labcorp (71), Kaiser Permanente (66).
1% of phlebotomists in CA hold a senior title (Director, Manager, Chief, VP, etc.).
56% of phlebotomists in CA have verified education credentials on file.

Data refreshed May 2026.

Public records & verifications

Verify against the NPPES Provider Registry (HHS / CMS). Search NPPES →
Professional LinkedIn profile on file (subscribers only).
Data aggregated from public licensure databases, LinkedIn, and verified employer records. Cross-check via the registry link above.

About Quest Diagnostics

Industry

Healthcare Services

Employees

5000+

Revenue

$1B+

Website

questdiagnostics.com

Office Location

San Diego, CA

Professional Overview

Marcus Osuna is a Certified Phlebotomist, currently affiliated with Quest Diagnostics, based in San Diego County, CA. As a phlebotomist, Osuna contributes to patient care, clinical workflows, and healthcare operations in San Diego County, CA. They have been with Quest Diagnostics for 10 years. Quest Diagnostics operates in the Healthcare Services sector with a workforce of 5000+ employees. Healthcare organizations seeking to recruit phlebotomist professionals can use HealthTal to access verified direct email addresses and personal phone numbers sourced from NPI records and professional licensing databases. Direct outreach to phlebotomist specialists consistently yields higher response rates than passive job board postings, particularly for roles requiring specific clinical credentials or state licensure. The San Diego County, CA healthcare market offers access to a concentrated pool of clinical professionals, making direct outreach particularly effective for organizations building local care teams or expanding service capacity in the region.

Recruiting phlebotomist

Healthcare professionals with phlebotomist expertise are recruited nationwide. Direct outreach via verified email and phone produces significantly faster placements than relying on job boards or passive candidates. HealthTal's database provides personal contact data verified against NPI and state licensing records.

Browse all phlebotomists →

Frequently Asked Questions

Where is Marcus Osuna located?

Marcus Osuna is based in San Diego County, CA. They are currently affiliated with Quest Diagnostics.

What is Marcus Osuna's specialty?

Marcus Osuna specializes in phlebotomist. Their current role is Certified Phlebotomist.

Where does Marcus Osuna currently work?

Marcus Osuna currently works at Quest Diagnostics. They have been there for 10 years.

How do I contact Marcus Osuna for recruiting?

HealthTal provides verified direct email address and phone number for Marcus Osuna. Subscribe to access full contact details including personal email, direct dial, and LinkedIn profile.

How do I recruit a phlebotomist?

Recruiting phlebotomists typically involves reaching out via direct email or phone. HealthTal's database provides verified contact data for phlebotomists across all 50 states, allowing you to contact candidates directly without going through job boards.