Mercelena Chang-Callejas

Pharmacist · Walmart Associates

pharmacist Philadelphia NPI on file?

Overview

Level
Staff
Function
Healthcare
Tenure
5 years
since Jul 2021

Experience

PharmacistCurrent
Walmart Associates
Since Jul 2021 · 5 years · Philadelphia

Education

Universidad de Antioquía
Doctor of Pharmacy - PharmD
2003 – 2008
Bergen Community College
2010 – 2013

About Walmart Associates

Industry
Retail
Employees
5000+
Revenue
$1B+

Professional Overview

Mercelena Chang-Callejas is a Pharmacist, currently affiliated with Walmart Associates, based in Philadelphia. As a pharmacist, Chang-Callejas contributes to patient care, clinical workflows, and healthcare operations in Philadelphia. They have been with Walmart Associates for 5 years. Chang-Callejas holds academic credentials, including Doctor of Pharmacy - PharmD, from Universidad de Antioquía and Bergen Community College. Walmart Associates operates in the Retail sector with a workforce of 5000+ employees. Healthcare organizations seeking to recruit pharmacist professionals can use HealthTal to access direct email addresses and personal phone numbers compiled from public LinkedIn profile data and public licensing data in the NPI registry. Direct outreach to pharmacist specialists consistently yields higher response rates than passive job board postings, particularly for roles requiring specific clinical credentials or state licensure.

Position in HealthTal Database

  • 86,704 healthcare professionals in HealthTal hold the pharmacist specialty. Mercelena Chang-Callejas is one of them.
  • 622 contacts at Walmart Associates are tracked in HealthTal.

Data refreshed November 2026.

Recruiting pharmacist

Pharmacists are licensed professionals who require verification of active state licensure during recruiting. Contacting pharmacists via direct email or phone allows for faster screening and placement than traditional job board methods.

Browse all pharmacists →

Frequently Asked Questions

Where is Mercelena Chang-Callejas located?

Mercelena Chang-Callejas is based in Philadelphia. They are currently affiliated with Walmart Associates.

What is Mercelena Chang-Callejas's specialty?

Mercelena Chang-Callejas specializes in pharmacist. Their current role is Pharmacist.

Where does Mercelena Chang-Callejas currently work?

Mercelena Chang-Callejas currently works at Walmart Associates. They have been there for 5 years.

What is Mercelena Chang-Callejas's educational background?

Mercelena Chang-Callejas attended Universidad de Antioquía and Bergen Community College.

How do I contact Mercelena Chang-Callejas for recruiting?

HealthTal provides direct email address and phone number for Mercelena Chang-Callejas. Subscribe to access full contact details including personal email, direct dial, and LinkedIn profile.

How do I recruit a pharmacist?

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

What is the average salary for a pharmacist in the United States?

pharmacists in the United States typically earn $110,000 to $167,000 annually, with a median of $136,000. Figures derive from BLS OEWS data, adjusted for state cost of labor. Senior-titled roles (Director, Manager, Chief) and high-acuity practice settings push the upper end.