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Hamza  F.
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Hamza F.

Medical Biller & RCM Specialist | AR, Denials, Eligibility, Prior Auth

Remote medical biller and RCM specialist for mental health, behavioral health, psychiatric, ABA therapy and primary care practices in the U.S. I handle AR follow up, denial management, insurance verification, prior authorization, claim submission and ERA payment posting, so your claims get paid on time. I have 3 years in U.S. medical billing and currently work as Senior Billing Executive and Team Lead at a U.S. focused billing company. I own the full revenue cycle for providers in California, Pennsylvania, Indiana, New York and Virginia, and I lead and train a team of medical billers. SERVICES CLIENTS HIRE ME FOR • Medical billing specialist for solo providers, small practices and group practices • Mental health and behavioral health billing for therapists, counselors and group practices • Psychiatric billing for psychiatrists and psych practices, including E/M with psychotherapy add on codes • ABA therapy billing: ABA authorizations, unit tracking and ABA CPT codes 97151 to 97158 • AR follow up specialist: aged AR cleanup, unpaid claims, claim status checks and payer calls • Denial management and appeals: denial analysis, corrected claims and reconsiderations • Insurance eligibility verification and benefits verification (VOB) before the visit • Prior authorization specialist: requests, tracking, renewals and visit counts • ERA and EOB payment posting, 835 reconciliation and unapplied payments • Charge entry, claim scrubbing and CMS 1500 claim submission • Clearinghouse rejections and claim rejection fixes • Secondary claims, COB and patient statements • Credentialing and payer enrollment support • School based Medi-Cal billing for California school districts and SELPAs • Medical billing virtual assistant for practices that need ongoing part time help • ICD 10, CPT, HCPCS and modifier checks and timely filing tracking MEDICAL BILLING CONSULTING Not ready to outsource? I also work as a medical billing consultant for practice owners, office managers and billing teams: • Revenue leakage audit and AR aging review by payer and code • Denial trend analysis and fixes for repeat denials and slow collections • Workflow review from front desk to payment posting • Biller training and billing workflows your team can follow • A written action plan, plus a walkthrough call PAYERS I WORK WITH DAILY Medicare, Medicaid, Medi-Cal, PA Medicaid, Anthem BCBS, BCBS (CA, IN, PA, VA, NY), Regence, UnitedHealthcare, Optum, Carelon, CBH, IEHP, Kern Family Health and commercial payers SOFTWARE AND PORTALS Tebra (Kareo), TherapyNotes, eClinicalWorks (eCW), Oracle Health (Cerner), Rethink, Theraletics, Ensora Health, Salesforce, Availity, Office Ally, Echo, Zelis, Payspan, QuickBooks, Excel WHY WORK WITH ME • I run a billing team, so I build workflows, track KPIs and hit turnaround targets, not just clear queues • Accounting degree and hospital finance experience, so reconciliation and reporting stay clean • HIPAA compliant; happy to sign a BAA and NDA • Available during U.S. business hours with regular progress reports Send me your AR aging report or a recent denial and I will tell you what I would fix first.

🇵🇰Islamabad, Pakistan$8/hr100% JSS5.00 (1)Since Dec 2022

Earnings and projects

MRR
$3k

Last 6 months ÷ 2, the fewest it counts (since Oct 2026)

World#13,016 / 412k
🇵🇰Country#1,425 / 52.9k
Revenue, last 30 days
—

Read daily since Oct 20, under 30 days

Total earnings
$6k
World#239,930 / 412k
🇵🇰Country#27,079 / 52.9k
Per project
$3k

$5.9k in the last 6 months

World#56,014 / 412k
🇵🇰Country#3,867 / 52.9k
Projects, last 6 months
1
100% fixed0% hourly
World#128,092 / 412k
🇵🇰Country#22,564 / 52.9k
Projects in all
2
100% fixed0% hourly
World#328,886 / 412k
🇵🇰Country#48,197 / 52.9k

Earnings, last 30 days

$6k+$4.5k earned since Oct 20Billed in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$0$2.5k$5.0k$7.5kOct 20Oct 29Nov 7

Tracked from Oct 20, 2026.

Skill rankings: Top 1% in Data Entry

Ranked by MRR among everyone on Upwork with the skill.

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