Nelson M.
Billing & Records Specialist |EN-ES | Legal, Medical & Business Ops
Billing, records, and back-office operations running smoothly — that's what I deliver. With 7+ years of experience in administrative and operations roles, I specialize in billing review, invoicing, records management, data entry, and CRM administration across legal, medical, and business environments. What I bring to your team: * Processing and reconciling 100+ invoices monthly with high accuracy * Managing 50+ concurrent case files and tracking follow-up actions * CRM administration — clean, organized, and always up to date * Records requests, document drafting, and workflow coordination * Reporting and data management using Excel, Google Sheets, and Power BI * Bilingual communication in English (C2 certified) and Spanish (Native) I work independently, communicate proactively, and adapt quickly to new systems and workflows. Whether you need someone for a one-time project or ongoing part-time support, I deliver organized, accurate work on time. Let's talk about how I can support your operations.
Earnings and projects
Last 6 months ÷ 4.3 months active (since Jun 2026)
Last 6 months: $10k
Billed in all: $10,904$11k
$10k in the last 6 months
Earnings, last 30 days
Skill rankings: Top 2% in Email Management
Ranked by MRR among everyone on Upwork with the skill.
- #18Records Management376 freelancers · 🇸🇻 #1Top 5%🇸🇻#1 of 2
- #23Case Management585 freelancers · 🇸🇻 #1Top 4%🇸🇻#1 of 11
- #40Electronic Health Record440 freelancers · 🇸🇻 #1Top 9%🇸🇻#1 of 1
- #46Medical Billing970 freelancers · 🇸🇻 #1Top 5%🇸🇻#1 of 4
- #102Invoicing2,164 freelancers · 🇸🇻 #1Top 5%🇸🇻#1 of 8
- #120Email Management4,968 freelancers · 🇸🇻 #2Top 2%🇸🇻#2 of 15
- #130Calendar Management4,894 freelancers · 🇸🇻 #2Top 3%🇸🇻#2 of 23
- #133HIPAA1,315 freelancers · 🇸🇻 #1Top 10%🇸🇻#1 of 3