Kathryn Thompson

RCM Expert, Supa

RCM expert at Supa. 20+ years building revenue cycle operations in healthcare; Adjunct Professor at Concordia University-St. Paul teaching healthcare MBA.

Kathryn writes about the operational realities of running a healthcare revenue cycle — eligibility, prior auth, claim denials, payer dynamics, and the human handoffs where billing actually breaks down. She brings two decades of senior leadership experience across healthcare operations, training, and consulting.

Outside Supa, Kathryn teaches healthcare ethics, informatics, and leadership to MBA students at Concordia University-St. Paul.

Posts by Kathryn

61 posts

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Posts by Kathryn

Billing for Treatment Centers: In-House, Outsourced, or Automated?

How to credential with Aetna as a behavioral health provider

CAQH attestation: how to complete and re-attest your profile

CAQH credentialing: what it is and how to complete it

Credentialing vs contracting vs enrollment

How long does provider credentialing take?

Insurance credentialing for behavioral health practices

CAGE questionnaire: scoring, CAGE-AID, and when to escalate

CIWA score: CIWA-Ar scoring, thresholds, and documentation

COWS score: scoring, withdrawal, and buprenorphine

DIGFAST: the manic episode mnemonic explained

OLDCARTS: structured history-taking for documentation

PHQ-9 scoring: score ranges and documentation

SIGECAPS: the depression mnemonic and what it leaves out

Autism ICD-10 code: F84.0 and the DSM-5 mismatch

F50.9: when to use it, and when not to

OCD ICD-10 codes: F42.2, F42.3, F42.4, F42.8 and F42.9

Schizophrenia ICD-10 codes: F20 subtypes and documentation

The ASAM Criteria explained: Fourth Edition and payer rules

ASAM Level 2.1: criteria, hours, and how to bill IOP

ASAM Level 3.5: criteria, 3.7, and where Level 3.3 went

ASAM level of care assessment: how risk ratings work

ASAM levels of care: the complete Fourth Edition guide

ESA letter template: a clinician's guide

Who can write an ESA letter?

California AB 468: ESA letter requirements for clinicians

What HUD's ESA guidance rescission means for clinicians

ESA letters: the clinician's guide

How to Calculate Days in AR: Methods Compared

How to Calculate Denial Rate: Methods Compared

H0001 CPT code: how to bill SUD intake assessments

H0004 CPT code: clean billing for 15-minute counseling

H0010 CPT code: billing sub-acute detox cleanly

H0015 CPT code: IOP billing that actually pays

H0018 CPT code: billing short-term residential

H0019 CPT code: long-term residential billing guide

H2036 CPT code: per diem SUD billing without denials

IOP billing codes: complete guide for treatment centers

PHP billing codes: the practical hub

S9480 CPT code: psychiatric IOP billing guide

Polysubstance abuse ICD-10: F19 and coding each substance

CO 16 denial code: the code that never travels alone

CO-197 Denial Code: Missing Prior Authorization

CO-22 Denial Code: Other Payer Coverage & Fix

CO-45 Denial Code: Fee Schedule Write-Off Rules

CO-97 Denial Code: Bundled Services & Fixes

PR-1 Denial Code: Deductible Amount & Collections

PR-2 Denial Code: Coinsurance Amount Explained

Appointment Reminders That Actually Cut No-Shows in Behavioral Health

Digital Patient Intake Forms for Behavioral Health Treatment Centers

AI Answering Services for Behavioral Health Centers

Sliding Scale Fees at Behavioral Health Treatment Centers: How to Set Them Without Losing Money

Why Behavioral Health Claim Denials Keep Rising - and How Payers' AI Is Making It Worse

How to Read an EOB and ERA: A Line-by-Line Guide for Treatment Centers

In-Network vs Out-of-Network for Behavioral Health Treatment Centers

Insurance Credentialing for Group Practices and Treatment Centers

Modifier 25 and Modifier 59 in Behavioral Health: When to Use Each

Place of Service Codes for Telehealth Therapy: POS 02 vs 10

Prior Authorization for Behavioral Health: Carelon, Optum, and the AI-Denial Problem

Psychotherapy CPT Codes: 90837 vs 90834 vs 90832 (A Coding Guide)

What Is Revenue Cycle Management for Behavioral Health - and Where the Money Leaks

Bring focus back to care.