Lorena Villanueva

Huntington Park,CA

Summary

Lead Senior Medical Assistant with expertise in patient care, staff training, and clinic operations. Skilled in EHR management, compliance, and leading teams to deliver high-quality, efficient patient services. Experienced at Optum, committed to continuous learning, and supporting organizational goals.

Overview

years of professional experience

Certification

Work History

Lead Senior Medical Assistant

Optum

Seal Beach, CA

09.2021 - Current

Assisted physicians with examinations, treatments, and minor procedures, while ensuring smooth patient flow.
Managed patient intake, scheduling, phone communications, charts, consent forms, and medical documentation.
Recorded vital signs and medical histories, with a strong focus on accuracy and compliance.
Coordinated specialist referrals, lab billing, and insurance coding to support continuity of care.
Maintained clinic readiness by ensuring exam rooms and clinical areas were fully stocked, organized, and prepared for audits through consistent compliance with policies and procedures.
Oversaw daily operations, supervising and developing medical assistants, while ensuring compliance, quality care, and effective staff-management communication.

Caregiver

In-Home Supportive Services

Huntington Park, USA

12.2014 - 09.2021

Provided comprehensive personal care and daily living support, including bathing, dressing, grooming, meal preparation, mobility assistance, and safety monitoring.
Coordinated client schedules, accompanied them to appointments and outings, administered medications per instructions, and maintained a clean, organized living environment.

Education

Medical Assistant -

Downey Adult School

Downey, CA

05.2020

Associate of Science - Nursing

Rio Hondo College

Whittier, CA

Skills

Clinical support: vital signs, injections, venipuncture, lab specimen collection, urinalysis, bandaging, EKG, Snellen, and Ishihara charts
Patient care and safety: infection prevention, sterilization (autoclave), patient monitoring, and BLS-certified emergency response
Administrative and office: scheduling, referral coordination, lab billing, copying, faxing, scanning, and inventory management

EHR and clinical systems: Kareo, NextGen, Epic, Greenway
Leadership and training: Staff supervision, training, and team management, audit preparation & compliance
English (fluent), Spanish (conversational, limited medical terminology)