Billing Companies by State

Medical Billing Companies in California

191 verified companies serve California practices — 37 based in or serving California directly.

Looking for a medical billing company in California? We track 191 verified billing and revenue cycle management companies that serve California practices — 37 based in or specifically serving California, plus 154 nationwide companies that work with California providers. Local companies are based in Corona Del Mar, Irvine, Atlanta, Los Angeles, Cerritos, Dover, Caldwell.

Each state has its own Medicaid program and payer mix, so working with a company experienced in California — or a nationwide firm with strong multi-state expertise — helps reduce denials and speed up reimbursement. Every company below is independently researched and scored. None paid to be listed.

Billing companies based in or serving California

#1
Corona Del Mar, CAtebra.comFounded 2021
100
Excellent

Tebra is an all-in-one platform for practice well-being, attracting new patients, delivering care, and getting paid quickly.

Denial MgmtEligibilityPatient Billing
NationwideCustom quoteMixedVerified 2026-03-16View Profile
#2

MedCare MSO

Verified
Irvine, CAmedcaremso.comSince 2012
100
Excellent

MedCare MSO provides AI-driven medical billing, practice management, and EHR solutions to optimize revenue and streamline operations for healthcare providers.

CredentialingDenial MgmtPrior AuthEligibilityPatient BillingCoding+2 more
NationwidePercentage of collectionsMixed4 specialtiesVerified 2026-03-16View Profile
#3
99.25
Excellent

BillingParadise is a medical billing and revenue cycle management company that provides services to hospitals, health systems, and physician practices.

CredentialingDenial MgmtPrior AuthEligibilityPatient BillingCoding+2 more
CA, GA, MN, NJ, NY, TN, TX, UTHybridMixed3 specialtiesVerified 2026-03-16View Profile
#4
Los Angeles, CAchbmdbilling.comMore than 20 years
96
Excellent

CHB Medical Billing is a full-service medical billing company based in California with over 20 years of experience in the industry.

CredentialingDenial Mgmt
NationwidePercentage of collectionsVerified 2026-03-16View Profile
#5
Cerritos, CAbristolhcs.com15+ years
93
Excellent

Bristol Healthcare Services delivers comprehensive dental billing services that optimize every aspect of your practice’s revenue cycle.

CredentialingDenial MgmtEligibilityPatient BillingCodingClaims
NationwideMixedVerified 2026-03-16View Profile
#6
Dover, Caldwell, DE, NJcubetherapybilling.com16
92
Excellent

We provide specialized revenue cycle management for Applied Behavior Analysis providers, managing complex insurance authorization, time-based CPT coding (97151-97155), and Medical credentialing to ensure maximum reimbursement.

CredentialingDenial MgmtPrior AuthEligibilityPatient BillingCoding+1 more
CA, NJ, WAMixed3 specialtiesVerified 2026-03-16View Profile
92
Excellent

Encompassing 15 years of progressive experience, our California-based company delivers medical billing and coding services to physicians and healthcare facilities all over the USA.

CredentialingDenial MgmtCodingCompliance
NationwidePercentage of collectionsMixed2 specialtiesVerified 2026-03-16View Profile
#8
Mount Sinai, NYpsychiatricbilling.comFounded 1994
89
Strong

Psychiatric Billing Associates is a full-service billing company that has served mental health providers since 1994.

Denial MgmtPrior AuthEligibilityPatient BillingCoding
CA, DC, FL, GA, MD, NY, TX, WYVerified 2026-03-16View Profile
85
Strong

CapitalMed Solutions provides innovative healthcare solutions, including medical billing and coding, to enhance patient care and streamline medical practices.

CredentialingDenial MgmtEligibilityPatient BillingCodingCompliance
AK, AL, AR, AZ, CA, CO, CT, FL, GA, IA, ID, IL, IN, KS, KY, LA, MA, MD, MI, MN, MO, MS, NC, ND, NE, NH, NJ, NV, NY, OH, OK, OR, PA, SC, SD, TN, TX, UT, VA, WA, WI, WV, WYMixedVerified 2026-03-16View Profile
#11
Sheridan, WYacemedassist.com10
85
Strong

Ace Med Assist provides medical billing and coding services to help medical practices run efficiently and grow.

CredentialingDenial MgmtEligibilityCodingCompliance
CA, FL, NY, WYVerified 2026-03-16View Profile
#12

Manis & Ryan

Verified
Woodland Hills, CAmanisandryan.com20
85
Strong

Provides expert Medicare consulting, Medicare Cost Report preparation and business automation to healthcare providers nationwide, including Home Health Agencies.

NationwideVerified 2026-03-16View Profile
#13
Costa Mesa, CAindigobilling.com
84
Strong

Indigo Billing empowers mental and behavioral health facilities by streamlining revenue cycles and reducing administrative burdens, allowing providers to focus on patient care.

CredentialingDenial MgmtPrior AuthEligibility
NationwideSmall groupVerified 2026-03-16View Profile
#14

ClientFit

Verified
Los Angeles, CAclientfit.net15+ years of experience
83
Strong

ClientFit is exclusively dedicated to revenue cycle management (RCM) for behavioral health practices.

CredentialingDenial MgmtEligibilityCoding
MixedVerified 2026-03-16View Profile
#16
Irvine, CAdentalxchange.com35+ Years in the Industry
82
Strong

DentalXChange provides a dental RCM platform that connects providers, partners, and payers to streamline the entire revenue cycle.

CredentialingDenial MgmtEligibilityPatient BillingClaims
NationwideMixedVerified 2026-03-16View Profile
#17
Costa Mesa, CAcipherbilling.com
81
Strong

Cipher Billing is a trusted partner in behavioral health billing services — delivering airtight compliance, transparent service, and maximized revenue so you can focus on patient care.

Denial MgmtPrior AuthEligibility
NationwideMixedVerified 2026-03-16View Profile
#18
CApsywellgroup.comFounded 2024
81
Strong

PsyWell Management Group offers comprehensive billing services to mental healthcare providers, handling all billing-related tasks to ensure accurate and timely claim submissions.

CredentialingDenial MgmtEligibilityCoding
NationwideMixedVerified 2026-03-16View Profile
#19

Medicotech

Verified
St. Petersburg, FLmedicotechllc.com2020
81
Strong

Medicotechllc specializes in orthodontics medical billing services, offering solutions that reduce errors and maximize your revenue cycle.

CredentialingDenial MgmtPrior AuthEligibilityPatient BillingCoding+2 more
AZ, CA, FL, GA, IL, MA, MI, NC, NJ, NY, OH, PA, TXMixed2 specialtiesVerified 2026-03-16View Profile
#20

TrueCare RCM

Verified
Playa Del Rey, CAtruecarercm.comUnknown
81
Strong

TrueCare RCM provides full-service medical billing, coding, and provider credentialing solutions to close revenue gaps and strengthen the entire Revenue Cycle Management (RCM).

CredentialingDenial MgmtPrior AuthEligibilityPatient BillingCoding+1 more
NationwideMixedVerified 2026-03-16View Profile
#22

Zentist

Verified
San Francisco, CAzentist.iounknown
80
Strong

Zentist provides a cloud-based, automated dental revenue cycle management platform for DSOs and dental groups.

Denial MgmtClaims
NationwideMulti-locationVerified 2026-03-16View Profile
#24

Trust AI

Verified
San Francisco, CAtrustdentistry.aiunknown
78
Good

Trust AI is building an AI-native practice management system that automates administrative tasks, including insurance verification and claims.

EligibilityCodingClaims
Flat monthly feeVerified 2026-03-16View Profile
#26
Beverly Hills, CAthepsychbiller.comFounded 2022
74.5
Good

The Psych Biller is a one-stop remote solution for boutique medical billing, psychology billing, and mental health office support for small businesses.

EligibilityCoding
Small groupVerified 2026-03-16View Profile
74.5
Good

Swift Medical Billing Solutions handles your entire revenue cycle – precise coding, fast claim submission, denial prevention, AR recovery, and credentialing – so your practice earns more, gets paid faster, and operates without billing stress.

CredentialingDenial MgmtCoding
CA, ORSmall groupVerified 2026-03-16View Profile
#28

Go Nexsys

Verified
Torrance, CAgonexsys.comFounded 1998
72
Good

Nexsys provides full-service practice management, revenue cycle management, and medical billing services to outpatient physician clinics.

Denial MgmtCoding
NationwideMixedVerified 2026-03-16View Profile
#30
La Quinta, CAdenmaar.com2008
71
Good

DENmaar is a forward-thinking EHR software and services company, supporting providers who want to work with insurance companies.

CredentialingDenial MgmtCoding
Multi-locationVerified 2026-03-15View Profile
#33
68
Moderate

Trusted medical billing services specializing in efficient and accurate solutions for mental health providers.

CredentialingDenial MgmtEligibility
CA, FL, HI, IL, NC, NJ, NY, OH, PA, SC, UTVerified 2026-03-16View Profile
#34
67
Moderate

A healthcare management company that provides billing & revenue cycle management services to individual and group medical practices.

CredentialingDenial MgmtEligibilityPatient Billing
Percentage of collectionsSmall groupVerified 2026-03-16View Profile
#36

ClearMgt

Reviewed
El Segundo, CAclearmgt.comFounded 2015
61
Moderate

A California-based medical billing company whose hands-on approach is designed to take your practice to the next level.

CredentialingDenial MgmtCoding
NationwideSmall groupVerified 2026-03-16View Profile

Top nationwide companies serving California

#38

WebPT

Verified
Phoenix, AZwebpt.com18
97
Excellent

WebPT is a practice experience management platform designed specifically for rehab therapy professionals, offering an end-to-end solution for marketing, front office, clinical, and billing needs.

Denial MgmtEligibilityPatient BillingCodingCompliance
NationwideFlat monthly feeMixedVerified 2026-03-16View Profile
#39
Dallas, TXams-solutions.comFounded 1986
96
Excellent

AMS Solutions is a full-service medical billing company providing comprehensive revenue cycle management services to a wide range of healthcare practices across the US.

CredentialingDenial MgmtCoding
NationwidePercentage of collectionsMixedVerified 2026-03-16View Profile
#40

AnnexMed

Verified
Salt Lake City, UTannexmed.com18
96
Excellent

AnnexMed is a trusted ABA billing company for therapy practices, clinics, and multi-site providers.

CredentialingDenial MgmtPrior AuthEligibilityPatient BillingCoding+2 more
NationwideMixed4 specialtiesVerified 2026-03-16View Profile
#41
Las Vegas, NVepsychbilling.comFounded in Los Angeles, moved to Las Vegas in 2022.
96
Excellent

ePsych Billing provides specialized medical billing services for mental health professionals, focusing on claim processing, reimbursement management, and compliance.

Denial MgmtPrior AuthEligibilityCoding
NationwidePercentage of collectionsVerified 2026-03-16View Profile
#42
Lansdowne, VAmyfcbilling.com20+ years
96
Excellent

FC Billing is a leading professional medical billing company in the USA, delivering expert Revenue Cycle Management with a 99% first-pass claim accuracy and faster reimbursements in under 30 days.

CredentialingDenial MgmtPrior AuthEligibilityPatient BillingCoding
NationwidePercentage of collectionsMulti-locationVerified 2026-03-16View Profile
#43

TheraThink

Verified
Seattle, WAtherathink.comFounded 2011
96
Excellent

We handle your mental health insurance billing so you can focus on your private practice.

CredentialingDenial MgmtEligibility
NationwidePercentage of collections2 specialtiesVerified 2026-03-16View Profile
#44

TherapyNotes

Verified
Horsham, PAtherapynotes.comFounded 2010
96
Excellent

TherapyNotes® is a complete practice management system for behavioral health, offering patient records management, scheduling, documentation, and billing services.

EligibilityPatient Billing
NationwideFlat monthly feeMixedVerified 2026-03-16View Profile
#45

Transcure

Verified
Farmers Branch, TXtranscure.netfounded 2016
96
Excellent

Transcure is a medical billing company that provides end-to-end billing services, including specialized dental billing services.

CredentialingDenial MgmtPrior AuthEligibilityPatient BillingCoding+1 more
NationwideSmall group2 specialtiesVerified 2026-03-16View Profile
#46
Amesbury, MAbillingadvantage.comfounded 2004
96
Excellent

Billing Advantage provides comprehensive medical billing services to help clinics and medical offices secure the highest return on their claims.

CredentialingDenial MgmtPrior AuthPatient BillingClaims
22 statesFlat monthly feeMixed3 specialtiesVerified 2026-03-16View Profile

Medical Billers and Coders (MBC) provides home health billing services, specializing in managing the complexities of coding and billing for in-home patient care.

CredentialingDenial MgmtEligibilityCodingCompliance
NationwideMixed3 specialtiesVerified 2026-03-16View Profile
#48

CentralReach

Verified
Fort Lauderdale, FLcentralreach.comFounded 2010
96
Excellent

CentralReach provides the #1 AI-powered Autism and IDD Care software platform for applied behavior analysis (ABA) practices, multidisciplinary practices, and PreK-12 special education.

Denial Mgmt
NationwideMixed2 specialtiesVerified 2026-03-16View Profile
#49

CureMD

Verified
New York, NYcuremd.comfounded 1997
96
Excellent

CureMD provides dental credentialing services to help dentists get credentialed with insurance networks faster.

CredentialingDenial MgmtPrior AuthEligibilityPatient BillingCoding+2 more
NationwideHybridMixed3 specialtiesVerified 2026-03-16View Profile
96
Excellent

24/7 Medical Billing Services is a medical billing company that offers end-to-end medical billing solutions to support physicians, hospitals, medical institutions, and group practices.

CredentialingDenial MgmtPrior AuthEligibilityPatient BillingCoding+1 more
NationwideSmall group2 specialtiesVerified 2026-03-16View Profile
#51
96
Excellent

Plutus Health offers revenue cycle management services that maximize revenue and decrease administrative burdens for healthcare providers.

CredentialingDenial MgmtPrior AuthEligibilityPatient BillingCoding+1 more
NationwideMixed4 specialtiesVerified 2026-03-16View Profile
#52

BellMedEx

Verified
Seattle, WAbellmedex.com10+
96
Excellent

BellMedEx is a US-based medical billing company offering a wide range of services, including medical billing and coding, revenue cycle management, and credentialing, with a specialization in ABA therapy billing.

CredentialingDenial MgmtPrior AuthEligibilityPatient BillingCoding+1 more
NationwidePercentage of collectionsMixed4 specialtiesVerified 2026-03-16View Profile
96
Excellent

AlohaABA offers practice management software and managed billing services tailored for ABA therapy providers.

Denial Mgmt
NationwideFlat monthly feeMixedVerified 2026-03-15View Profile
96
Excellent

Spectrum ABA Billing helps ABA therapy providers across the U.S. streamline their revenue cycle, speed up reimbursements, and reduce denials.

CredentialingDenial MgmtPrior AuthEligibilityPatient BillingCoding
FL, NJHybridVerified 2026-03-15View Profile
96
Excellent

Portia is ABA software for your clinic that combines practice management, electronic medical records, insurance billing, curriculum and data collection.

CredentialingDenial MgmtEligibilityCoding
NationwideFlat monthly feeVerified 2026-03-15View Profile
#56

PayLow Pro

Verified
Naperville, ILpaylowpro.comunknown
96
Excellent

PayLow Pro offers electronic payment solutions tailored for the medical sector, particularly dental and orthodontic practices.

Patient Billing
NationwideCustom quoteMixedVerified 2026-03-16View Profile
96
Excellent

A medical billing company that uses AI for claim scrubbing, predictive analytics, automated eligibility, and EHR integrations.

CredentialingDenial MgmtPrior AuthEligibilityPatient BillingCoding+2 more
40+ StatesPercentage of collectionsMixed2 specialtiesVerified 2026-03-16View Profile

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Find California billing companies by specialty

California Medical Billing FAQs

How do I choose a medical billing company in California?

Start by deciding whether you need a company based in California or a nationwide firm. Local companies may know California's Medicaid program and payer mix well, while nationwide companies bring multi-state experience. Then compare on your specialty, the services you need (credentialing, denial management, prior auth), pricing model, and verified track record. Every company below is independently researched — none paid for placement.

Do I need a billing company physically located in California?

Not necessarily. Medical billing is done remotely, so a nationwide company can bill for a California practice just as effectively — what matters is their experience with your payers and specialty. That said, a California-based company may have deeper familiarity with state-specific Medicaid and commercial plans.

Are nationwide billing companies a good fit for California practices?

Yes, especially for telehealth, multi-state groups, or practices that want a larger team. The 154 nationwide companies listed here all serve California and are experienced navigating state-by-state payer rules.

Billing companies in other states