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Internal Medicine Billing Services
We provide internal medicine medical billing services to independent practices: coding, claim submission, payment posting and AR follow-up. Our coders hold CPC and CCS certifications and work internal medicine charts every day, at 98.9% coding accuracy across our coding work. We bill all payers and work in the EHR you already use.
What Does It Take to Get Internal Medicine Claims Paid in Full?
Internal medicine billing and coding means coding office E/M visits to the documented medical decision-making or total time, turning monthly care management time into CCM, PCM, TCM and RPM claims, and separating preventive care from problem-oriented care on the same date. Qualigenix handles that work for internal medicine practices, from eligibility checks before the visit to appeals after a denial. Call 786-259-0231 to talk through your current numbers.
01
E/M Leveling by MDM or Time
Office and outpatient E/M codes 99202 through 99215 are leveled by medical decision-making or by total practitioner time on the date of the encounter. Practices that level from habit tend to undercode stable chronic patients and overcode short acute visits. In the 2025 Medicare CERT data, the most common root cause for established office visit errors was documentation that supported a lower E/M level than the one billed, and internal medicine had more improper payments on established office visits than any other provider type: $156.2 million (CMS CERT 2025, Tables 7 and H3).
02
Prior Auth for Imaging, Drugs, and Referrals
Internists order CT and MRI studies, specialty medications and infusions that most commercial and Medicare Advantage plans authorize in advance. When the order leaves the office without an authorization number, the imaging center or infusion clinic gets the denial, and the referral relationship takes the hit.
03
CCM, PCM, TCM, and RPM Time Thresholds
Care management codes pay only when time, consent and timing rules are met. CCM code 99490 needs at least 20 minutes of clinical staff time in the calendar month, documented patient consent and a care plan. TCM code 99495 needs an interactive contact within two business days of discharge and a face-to-face visit within 14 days; 99496 needs the visit within 7 days and high-complexity decision-making. Miss one element and the month is unbillable.
04
Telehealth and Audio-Only Rules
Medicare's rules for home telehealth and audio-only visits have changed several times since 2020, and commercial plans set their own. The place of service code (02 or 10) and modifier (95 or 93) on the claim have to match the rule in effect on the date of service, not the rule from last quarter.
05
Medicare Advantage and AWV Frequency Checks
Medicare pays the Initial Preventive Physical Examination (G0402) once, within the first 12 months of Part B coverage, and the subsequent Annual Wellness Visit (G0439) once every 12 months. A wellness visit billed a few weeks early is denied. Medicare Advantage plans add their own authorization and referral rules on top of traditional Medicare.
06
Split/Shared and Incident-To Documentation
When a physician and an NP or PA share a visit in a facility setting, Medicare requires the FS modifier and billing under the practitioner who did the substantive portion. Incident-to billing in the office requires direct supervision and a physician-initiated plan of care; a new problem seen by an NP cannot go out under the physician's NPI.
07
Modifier 25, Same-Day Wellness, and Frequency Denials
A preventive visit and a separately identifiable problem-oriented E/M on the same date can both be paid, but only with modifier 25 on the problem visit and documentation that shows two distinct services. Without that, payers bundle the problem visit into the preventive code.
08
E/M Audits, Incident-To, and HIPAA
E/M coding is one of the most audited areas in Medicare. Practices with level distributions far from their peers draw review, and incident-to claims that fail the supervision rules are recovered in full.
Qualigenix's Fix for Every Internal Medicine Billing Gap
Each fix below matches a gap above, in the same order.
E/M Coding Matched to the Note
Our coders level every office visit from the documented MDM or total time, not from the code the provider picked. When the note supports a higher level, we code it. When it supports a lower one, we code that and tell you why.
Auth and Referral Management
We check payer authorization rules for imaging, specialty drugs and referrals before the order goes out, submit the request, and track it until the authorization number is on file.
Monthly Care Management Capture
We track CCM, PCM, TCM and RPM minutes, consent dates and discharge dates each month, so a month that meets the threshold gets billed and a month that falls short does not go out as a claim that will be denied.
Telehealth Claim Setup
We set the place of service code and modifier for each telehealth and audio-only visit against the Medicare or commercial rule in effect on the date of service.
Plan and Wellness Eligibility
Before the visit, we confirm coverage, Medicare Advantage plan rules and the date of the patient's last wellness visit, so an AWV is never scheduled inside the 12-month window.
Split/Shared and Incident-To Review
We check each NP and PA claim against the incident-to and split/shared rules and bill it under the correct NPI with the correct modifier.
Denials and Appeals
We work every internal medicine denial to its root cause and appeal the ones that should be paid. Across our denial management work, 79% of denials are overturned, with an average appeal turnaround under 9 days.
E/M Compliance Monitoring
We track your E/M level distribution by provider and flag patterns that sit far from specialty norms before a payer or auditor does.
CASE STUDY 01
How a 3-provider podiatry group cleared $214K in aged A/R
THE SITUATION
A 3-provider podiatry group with roughly 60% Medicare payer mix carried $412,000 in A/R, 38% of it past 120 days. Routine foot care claims (11720, 11721, 11055–11057) had stalled on inconsistent Q7/Q8/Q9 modifiers and class-finding documentation, so payers held or partially paid and nobody worked the remainder. Medicare crossover to secondaries was not being posted, and small patient balances were written off.
WHAT QUALIGENIX DID
We ran a full A/R aging segmentation, worked claims by payer and denial reason rather than by date, rebilled the stalled routine-care claims with corrected modifiers, and reactivated secondary and crossover billing.
Key Outcomes & Turnaround
38% to 14%A/R past 120 days
$214,000recovered from aged A/R
90 daysto turn it around
~60%Medicare payer mix
Audited Practice Results
How a solo podiatrist lifted first-pass acceptance to 96%
THE SITUATION
A solo podiatrist coding 320 encounters a month was stuck at 82% first-pass acceptance. Routine foot care went out without the systemic-condition diagnosis pairing and class findings Medicare requires, so it read as non-covered. Wound debridement was coded to the wrong depth (11042 for skin and subcutaneous where the note supported 11043 for muscle and fascia). Same-day E/M with a procedure went out without modifier 25 and got bundled.
WHAT QUALIGENIX DID
We rebuilt the coding workflow: diagnosis-to-CPT pairing rules for at-risk foot care, correct Q-modifier logic, depth-based debridement coding tied to the operative note, and disciplined use of modifiers 25 and 59/XS.
Key Outcomes & Turnaround
82% to 96%first-pass acceptance
+11%per-encounter reimbursement
60 daysto turn it around
320/moencounters coded
Audited Practice Results
How a 2-location podiatry practice cut its denial rate by two-thirds
THE SITUATION
A 2-location podiatry practice sat at a 19% denial rate, mostly Medicare routine-foot-care and nail-debridement rejections. The denials clustered in three buckets: medical-necessity rejections on routine foot care (missing qualifying diagnosis and class findings), frequency-edit denials on nail debridement billed inside the 60-day window, and missing Q modifiers that flagged services as non-covered.
WHAT QUALIGENIX DID
We built a front-end denial-prevention layer, checking eligibility and coverage against payer LCDs before claims went out, plus a structured appeal workflow with documentation templates mapped to each denial reason.
Key Outcomes & Turnaround
19% to 6%denial rate
$68,000recovered on appealed claims
4 monthsto turn it around
2 locationspractice size
Audited Practice Results
Internal Medicine Coding Mapped to How You Actually Practice
Our coders work every service line an internal medicine practice bills.
Office E/M (99202–99215, G2211)
New and established office visits, leveled by MDM or time, with the G2211 add-on applied where the visit is part of ongoing care for a serious or complex condition and the payer recognizes it.
How We Keep Internal Medicine Billing Compliant
Qualigenix keeps internal medicine billing compliant by following CMS internal medicine billing guidelines as written: coding E/M visits to the documented MDM or time, applying the incident-to and split/shared rules as Medicare writes them, and billing care management only for months that meet the time and consent requirements. Underbilling leaves earned revenue unpaid. Overbilling creates audit exposure and repayment demands. We hold a 98.6% compliance and audit pass rate and an over/undercoding rate under 2%. All work is HIPAA compliant, and patient data is handled under strict security controls.
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Audit Pass Rate
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Variance Threshold
Why Internal Medicine Practices Choose Qualigenix
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IMPROPER PAYMENT RATE
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FROM DOC GAPS
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FROM CODING ERRORS
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PAID IN ERROR
QUESTIONS BUYERS ASK
Frequently Asked Questions
Qualigenix charges a percentage of collections, so our fee rises and falls with what your practice is paid. We bill all payers. Call 786-259-0231 for a quote based on your claim volume and payer mix.
Our certified coders level each visit from the documented medical decision-making or total time, and we report your level distribution by provider so you can see where coding drifts.
We check every NP and PA visit against the incident-to supervision and plan-of-care rules, and apply the FS modifier for split/shared visits in facility settings, so each claim goes out under the correct NPI.
Yes. We take over open and aged internal medicine AR, sort it by payer and age, and work it alongside new claims. Across our AR work, days in AR have dropped from 54 to 36.
Yes. We track care management and RPM time separately from the office visit and bill each month that meets the time and consent rules. RPM treatment management (99457) is billed once per calendar month for the first 20 minutes, with 99458 for each additional 20 minutes.
Yes. We code the place of service and modifier for each telehealth and audio-only visit against the Medicare rule in effect on the date of service, and against each commercial plan's own policy.
Yes. Qualigenix is system-agnostic and has worked across 133 EMR/EHR platforms, so we work inside your current system.
Our average onboarding takes 6 days, covering system access, payer enrollment checks and a review of your open AR.