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Mark Lister M.
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Mark Lister M.

Customer Service Representative | Medical Records Retrieval Specialist

As a Senior Customer Service Representative, I bring proven experience resolving client issues, managing high-volume communications, and delivering consistent, professional service that strengthens customer relationships. As a Medical Records Custodian, I manage the secure retrieval, organization, and handling of sensitive records with strict attention to confidentiality, accuracy, and compliance. My background also spans legal administration, e-commerce operations, and case/file management, giving me a versatile skill set that adapts easily across industries. Core Expertise: Senior-level customer service, client communication, and issue resolution using HubsSpot and Zendesk Medical and legal records retrieval, custody, and document management Social media content creation, branded graphics, and visual design CRM and database maintenance (Filevine, Salesforce) Administrative support and case/file management Data organization, records compliance, and confidentiality management Juggling multiple priorities with accuracy and dependability in remote or in-office settings Whether you need day-to-day operational support, secure records handling, or engaging content for your brand, I'm committed to delivering efficient, accurate, and professional results.

🇵🇭Davao City, Philippines$10/hr100% JSSSince Mar 2020
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Earnings and projects

MRR
$1.5k

Last 6 months ÷ 6

World#33,116 / 412k
🇵🇭Country#4,962 / 56.3k
Revenue, last 30 days
$1.4k

Last 6 months: $8.8k

World#31,318 / 412k
🇵🇭Country#5,213 / 56.3k
Total earnings
$15k

Billed in all: $15k

World#165,311 / 412k
🇵🇭Country#27,205 / 56.3k
Per project
$15k

$8.8k in the last 6 months

World#9,613 / 412k
🇵🇭Country#2,097 / 56.3k
Projects, last 6 months
1
0% fixed100% hourly
World#128,092 / 412k
🇵🇭Country#14,297 / 56.3k
Projects in all
1

Across 2 contracts

0% fixed100% hourly
World#360,671 / 412k
🇵🇭Country#43,767 / 56.3k

Earnings, last 30 days

$15.3k+$1.4k earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$13k$14k$15k$16kOct 8Oct 23Nov 7

Skill rankings: Top 5% in Data Mining

Ranked by MRR among everyone on Upwork with the skill.

  1. #6Data Profiling97 freelancers · 🇵🇭 #6Top 6%
  2. #40Records Management376 freelancers · 🇵🇭 #17Top 11%
  3. #110Quality Control1,307 freelancers · 🇵🇭 #33Top 8%
  4. #118Medical Records807 freelancers · 🇵🇭 #51Top 15%
  5. #148Inbound Inquiry1,295 freelancers · 🇵🇭 #80Top 11%
  6. #219Order Fulfillment1,928 freelancers · 🇵🇭 #158Top 11%
  7. #335Order Processing2,648 freelancers · 🇵🇭 #227Top 13%
  8. #365Order Tracking2,668 freelancers · 🇵🇭 #251Top 14%