Daryl Mark Villanueva
@darylmarkvillanueva
Registered Nurse and Certified Medical Coder with strong clinical and coding expertise.
What I'm looking for
I am a Registered Nurse (RN) and certified coding specialist (CCS) and professional coder (CPC) with extensive experience in inpatient, outpatient, observation and home health coding. I combine a solid clinical background in emergency, medical-surgical and labor & delivery care with proven accuracy in ICD-10-CM/PCS, CPT, E/M and HCPCS coding to ensure compliant, high-quality medical records and claims.
I have worked as an inpatient and home health coder and auditor across multiple healthcare and RCM organizations, consistently maintaining coding accuracy and resolving documentation discrepancies through research and continuing education. I am detail-oriented, self-directed, and skilled at prioritizing work to meet productivity targets while preserving quality and regulatory compliance.
Experience
Work history, roles, and key accomplishments
Home Health Medical Coder
KMC Mag Solutions
Sep 2020 - Sep 2023 (3 years)
Coded home health charts and billed claims for healthcare facilities, researched procedures and diagnoses, and corrected documentation deficiencies to ensure coding accuracy.
Inpatient Medical Coder
Shearwater Health Advisors Inc.
Aug 2019 - Sep 2020 (1 year 1 month)
Coded inpatient charts, ensured accurate billing for hospital services, researched clinical documentation, and performed qualitative record analyses to maintain coding consistency.
Inpatient Medical Coder
Coronis Health Philippines
Oct 2018 - Jun 2019 (8 months)
Coded inpatient charts and correctly billed medical claims for hospital and nursing facilities, researched new diagnoses/procedures, and resolved documentation inconsistencies to maintain high coding accuracy.
Medical Coder / Biller
UST-Global
Oct 2017 - Jun 2019 (1 year 8 months)
Processed health insurance claims for providers and managed denial workflows by reviewing clinical documentation to determine appeal eligibility and resolve claim issues.
Inpatient Medical Coder / Auditor
Optum Global Solutions
Sep 2015 - Oct 2017 (2 years 1 month)
Coded inpatient, outpatient, observation, and home health records, performed audits to rectify documentation discrepancies, and maintained up-to-date coding knowledge through continuing education.
Staff Nurse
Echague District Hospital
Oct 2012 - Mar 2015 (2 years 5 months)
Provided primary and acute care across med-surg, delivery room, and ER settings, developed nursing care plans, and monitored patients while ensuring HIPAA compliance and coordinated with physicians.
Staff Nurse
Municipality of Alicia Rural Health Unit
Nov 2011 - Apr 2012 (5 months)
Maintained patient records, performed initial assessments and medication administration, participated in community medical missions, and served as first aider for local emergency response.
Education
Degrees, certifications, and relevant coursework
Aldersgate College
Bachelor of Science, Nursing
Completed Bachelor of Science in Nursing at Aldersgate College with clinical training in medical-surgical, emergency, and labor and delivery care.
Certified Coding Specialist (CCS)
Certification, Medical Coding
Earned Certified Coding Specialist (CCS) credential (ID: 2832939) demonstrating proficiency in ICD-10-CM/PCS coding standards.
Certified Professional Coder (CPC)
Certification, Medical Coding
Obtained Certified Professional Coder (CPC) credential (ID: 01473814) validating expertise in CPT, HCPCS, and outpatient coding.
Tech stack
Software and tools used professionally
Availability
Location
Authorized to work in
Job categories
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