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Medical Billing Assistant Jobs in Rialto, CA (NOW HIRING)

TalentZok

Billing Associate - 21294

Perris, CA · On-site

$20/hr

  • Medical

  • Vision

OHC billing and medical billing experience * Experience generating invoices * Strong Excel skills ... Ability to assist with receptionist duties as needed * Valid California driver's license required

New

Synovation Medical Group

Be Seen First

Back Office Medical Assistant

Rancho Cucamonga, CA · On-site

$18 - $19/hr

  • Medical

  • PTO

We are seeking a Back Office Medical Assistant to become a part of our team! You will perform ... Communicate with insurance companies for proper billing procedures * Escort patients to exam rooms ...

New

BRIO CLINICAL, INC

Medical Biller

Ontario, CA · On-site

$22 - $23/hr

This role requires strong expertise in Medicare Part A vs Part B billing, skilled nursing ... May assist with training, coaching, and the development of coworkers and students. * Must take all ...

BRIO CLINICAL, INC

Medical Biller

Ontario, CA · On-site

$22 - $23/hr

This role requires strong expertise in Medicare Part A vs Part B billing, skilled nursing ... May assist with training, coaching, and the development of coworkers and students. * Must take all ...

PREMIER AMBULANCE

Medical Biller

Brea, CA

$20 - $27.50/hr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Review, modify, and re-bill rejected/denied claims. * Assist Cash department on payor backup as ... Medical, Dental, and Vision Insurance * 401(k) with company match * Advancement Opportunities * New ...

Premier Ambulance

Medical Biller

Brea, CA · On-site

$20 - $27.50/hr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Review, modify, and re-bill rejected/denied claims. * Assist Cash department on payor backup as ... Medical, Dental, and Vision Insurance * 401(k) with company match * Advancement Opportunities * New ...

Trinity Youth Services

MEDICAL SERVICES CLERK

Apple Valley, CA · On-site

$18.50/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Maintain a daily log for the Assistant Director and Team Administrator of all scheduled medical and ... Must have knowledge of, as well as experience in, medical billing in Medi-cal enrolling, un ...

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All JobsMedical Billing JobsMedical Billing Assistant JobsMedical Billing Assistant Jobs in Rialto, CA

Medical Billing Assistant information

See Rialto, CA salary details

$12

$21

$27

How much do medical billing assistant jobs pay per hour?

As of Aug 14, 2026, the average hourly pay for medical billing assistant in Rialto, CA is $21.08, according to ZipRecruiter salary data. Most workers in this role earn between $16.15 and $20.00 per hour, depending on experience, location, and employer.

What are some common challenges faced by medical billing assistants and how can they be managed?

Medical Billing Assistants often encounter challenges such as managing complex insurance claims, staying current with changing healthcare regulations, and ensuring accurate data entry under tight deadlines. To manage these challenges, it's important to stay organized, regularly participate in training sessions, and maintain open communication with both healthcare providers and insurance companies. Utilizing up-to-date billing software and double-checking claim details can also help minimize errors and streamline the billing process.

Do medical billing assistants work remotely?

Many medical billing assistants have the option to work remotely, especially with the increased use of electronic health records and billing software. Remote work often requires strong computer skills, familiarity with billing systems, and reliable internet access, and some employers may specify in the job description if remote work is available.

What is a medical billing assistant?

Medical Billing Assistants are healthcare professionals responsible for processing patient billing information, submitting insurance claims, and ensuring accurate payment for medical services. They work closely with medical staff, insurance companies, and patients to verify codes, resolve billing discrepancies, and handle patient inquiries about charges. Their role is essential in maintaining the financial operations of medical offices, clinics, or hospitals. Strong attention to detail and knowledge of medical terminology and billing procedures are crucial for success in this role.

Is it hard to get a job in medical billing?

Getting a job as a medical billing assistant can be straightforward for those with relevant skills such as attention to detail and familiarity with billing software. Entry-level positions often require a high school diploma or certification, and some employers may prefer candidates with healthcare or billing training. The job market is competitive but accessible with proper training and certification.

What does a medical billing assistant do?

A medical billing assistant works for a healthcare provider in their billing department. Primary job duties include billing insurance companies or patients for medical services or procedures. Duties may also include making insurance claims, sending bills to patients, and arranging collections. A medical billing assistant usually enters payment information into a database so that there is a record of billing and payments.

What is the difference between Medical Billing Assistant vs Medical Coder?

AspectMedical Billing AssistantMedical Coder
CredentialsHigh school diploma, certification often preferredCertification (CPC, CCS) usually required
Work EnvironmentMedical offices, billing companiesHospitals, clinics, billing services
Primary ResponsibilitiesProcessing billing, submitting claims, follow-upReviewing medical records, assigning codes
Industry UsageCommonly employed in healthcare billingSpecialized in coding diagnoses and procedures

While both roles support healthcare revenue cycle management, Medical Billing Assistants focus on submitting claims and managing billing processes, whereas Medical Coders specialize in translating medical records into standardized codes. Understanding these differences helps in choosing the right career path or job search focus.

What are the key skills and qualifications needed to thrive as a medical billing assistant, and why are they important?

To thrive as a Medical Billing Assistant, you need a solid understanding of medical terminology, billing procedures, and insurance guidelines, usually supported by a certificate or relevant experience. Familiarity with billing software such as Medisoft or Kareo, as well as knowledge of ICD-10 and CPT coding systems, is typically required. Attention to detail, organizational skills, and effective communication are crucial soft skills for resolving claim issues and interacting with healthcare providers. These abilities help ensure accurate billing, timely reimbursements, and compliance with regulations, which are essential for the financial health of medical practices.
More about Medical Billing Assistant jobs

What are the most commonly searched types of Medical Billing jobs in Rialto, CA?

The most popular types of Medical Billing jobs in Rialto, CA are:

What are popular job titles related to Medical Billing Assistant jobs in Rialto, CA?

For Medical Billing Assistant jobs in Rialto, CA, the most frequently searched job titles are:

What job categories do people searching Medical Billing Assistant jobs in Rialto, CA look for?

The top searched job categories for Medical Billing Assistant jobs in Rialto, CA are:

What cities near Rialto, CA are hiring for Medical Billing Assistant jobs?

Cities near Rialto, CA with the most Medical Billing Assistant job openings:

Medical Billing Assistant jobs near you
Infographic showing various Medical Billing Assistant job openings in Rialto, CA as of August 2026, with employment types broken down into 1% As Needed, 77% Full Time, 17% Part Time, and 5% Contract. Highlights an 91% Physical, 1% Hybrid, and 8% Remote job distribution, with an average salary of $43,847 per year, or $21.1 per hour.

Medical Biller- Full - Time - On -Site

Raincross Medical Group, Inc.

Riverside, CA • On-site

$18 - $25/hr

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 10 days ago

Job description

Medical Biller – Full-Time | On-Site

Raincross Medical Group, Inc. is seeking an experienced, detail-oriented Medical Biller to join our Billing Department. We are looking for someone who is organized, dependable, and confident working claims from initial submission through final resolution.

If you have strong medical billing experience, understand insurance follow-up and denials, and enjoy being part of a collaborative healthcare team, we would love to hear from you.

Position: Medical BillerDepartment: Billing DepartmentReports To: Billing ManagerJob Type: Full-TimeWork Location: On-Site Only – No Remote Work

What You'll Do
  • Prepare, review, and submit clean and accurate medical claims to commercial insurance companies, Medicare, Medicaid/Medi-Cal, and other payers.
  • Verify patient demographics, insurance eligibility, coverage, and billing information.
  • Review ICD-10, CPT, and HCPCS codes for accuracy and consistency with provider documentation.
  • Work claim rejections, denials, and unpaid claims through resolution.
  • Perform timely insurance follow-up and communicate directly with payers when necessary.
  • Review and actively work Accounts Receivable (A/R) aging to improve collections and reduce outstanding balances.
  • Identify billing trends, recurring denials, and reimbursement issues and communicate findings to the Billing Manager.
  • Post and review payments, adjustments, and claim activity accurately.
  • Assist with patient balances, billing questions, statements, and insurance-related inquiries.
  • Maintain detailed documentation of all billing and collection activity.
  • Collaborate with providers, front-office staff, billing team members, and insurance representatives to resolve billing issues.
  • Help support an efficient revenue cycle and timely reimbursement for the practice.
What We're Looking For
  • High school diploma or equivalent required.
  • Previous medical billing experience strongly preferred.
  • Strong understanding of insurance claims, denials, A/R follow-up, and reimbursement processes.
  • Knowledge of ICD-10, CPT, and HCPCS coding.
  • Experience with EHR and practice-management/billing systems.
  • Medicare and Medi-Cal billing knowledge is a plus.
  • Certified Professional Biller (CPB), CPC, or similar certification is a plus, but not required.
  • Excellent attention to detail and ability to stay organized while managing multiple accounts.
  • Strong written and verbal communication skills.
  • Comfortable using Microsoft Office, including Excel and Word.
  • Dependable, professional, and able to work effectively as part of an on-site team.
Why Join Raincross Medical Group?

We offer a professional and collaborative work environment where your billing knowledge directly contributes to the success of our medical practices.

Benefits for eligible employees may include:

  • Competitive pay based on experience
  • Medical, dental, and vision insurance
  • Paid time off and paid holidays
  • Retirement plan options
  • Opportunities for professional growth and development
  • Stable, full-time schedule
  • Supportive team environment
Ready to Apply?

If you're an experienced Medical Biller who takes pride in accuracy, follow-through, and getting claims paid, we encourage you to apply!

Please submit your resume highlighting your medical billing, insurance follow-up, denial management, and A/R experience.

Raincross Medical Group, Inc. is an Equal Opportunity Employer. We value a professional and inclusive workplace and encourage qualified candidates to apply.