Physician billing services manage the specific coding, documentation, and reimbursement rules that apply to physician-rendered services under Medicare’s Physician Fee Schedule and commercial payer equivalents, distinct from facility or institutional billing. Zeerak Care provides physician billing for U.S. medical groups that need E/M coding, incident-to billing, and advanced care management codes captured correctly, not just submitted.
The revenue at stake here is larger than most physician groups realize. Industry analysis puts undercoded evaluation and management revenue at 8 to 14 percent of what a practice should be collecting, and a single consistent code-level error, defaulting to a 99213 when documentation actually supports a 99214, can represent 180,000 to 250,000 dollars in uncaptured revenue annually for a mid-size primary care group billing 5,000 visits a year.
– The Problem We Solve
Incorrect coding, missing details, and claim errors lead to denials, delayed reimbursements, and ongoing revenue loss.
Your staff spends hours on claims, follow-up, and payment tasks instead of supporting patients and operations.
Without clear billing reports, you cannot track collections, spot revenue leakage, or monitor reimbursement performance.
Unworked claims and slow payer follow-up increase aging A/R, delay payments, and weaken your practice cash flow.
Missing eligibility checks and prior authorization errors cause avoidable denials, billing delays, and extra staff pressure.
Payer rules, coding updates, and billing requirements are complex, time-consuming, and difficult to manage consistently.
– Our Solutions
Physician billing applies specifically to services billed under the Medicare Physician Fee Schedule and its commercial equivalents, which pay based on relative value units tied to physician work, practice expense, and malpractice cost rather than a facility’s institutional cost structure. This means physician billing carries its own coding logic, most notably evaluation and management coding, incident-to billing for services rendered by advanced practice providers, and site-of-service distinctions that do not apply the same way to hospital or facility billing.
Where a claim is billed from now carries more financial weight than it used to. Under the 2026 Physician Fee Schedule, Medicare increased reimbursement for many office-based evaluation and management services performed in a non-facility setting while reducing reimbursement for the same codes performed in a facility setting. Two physicians billing the identical CPT code can now see a meaningfully different payment depending solely on where the service was rendered, which makes accurate place-of-service coding a real financial variable, not just a technical formality.
Evaluation and management coding remains the single largest revenue lever in physician billing, and it is also where the most revenue quietly goes uncollected. Industry analysis estimates that undercoding costs practices 8 to 14 percent of legitimate E/M revenue, largely because providers default to a familiar code, typically 99213 or 99214, out of habit rather than coding to what the documentation actually supports under the current medical-decision-making or total-time framework.
The dollar impact compounds quickly at volume. A single, consistent one-level coding gap across 5,000 annual visits, a realistic volume for a mid-size primary care group, can represent 180,000 to 250,000 dollars in uncaptured revenue in a single year. This is not a rare edge case; it is a pattern that persists in practices that have not fully adapted their documentation and coding workflow to the post-2021 E/M framework built around medical decision-making and time rather than the older, more rigid documentation checklist.
Incident-to billing allows a physician group to bill at the full physician rate for services rendered by an advanced practice provider, when strict supervisory and documentation requirements are met. Groups that do not bill incident-to when they are actually eligible are reimbursed at the advanced practice provider rate, roughly 85 percent of the physician rate, on services where they were entitled to the full 100 percent. Most groups that do attempt incident-to billing have compliance gaps in how supervision and documentation are handled, which creates audit exposure in the other direction.
This makes incident-to billing a genuine two-sided risk for physician groups with a meaningful advanced practice provider component: billed incorrectly, it either leaves 15 percent of eligible revenue on the table across every APP-rendered visit, or creates compliance exposure if supervision requirements are not actually being met and documented.
The 2026 Physician Fee Schedule brought the first meaningful Medicare payment increase after five consecutive years of cuts, with a 3.77 percent overall increase for physicians participating in an Alternative Payment Model and 3.26 percent for those who are not. Alongside that increase, CMS finalized a 2.5 percent efficiency adjustment applied to work RVUs for nearly all non-time-based services, though time-based codes, including standard E/M office visits, telehealth-listed codes, and maternity care, are exempt from this cut.
CMS also expanded reimbursement pathways for advanced primary care services, chronic care management, principal care management, transitional care management, and remote physiologic monitoring, worth an estimated 280 to 420 dollars per eligible patient annually when properly captured. Many physician groups do not bill these codes consistently across their eligible Medicare panel, which represents recurring, largely automatic revenue that requires active identification rather than new patient volume to capture.
Zeerak Care reviews E/M documentation against the current medical-decision-making and time-based framework to ensure code level reflects what was actually documented, manages incident-to billing compliance so physician groups capture the full physician rate where genuinely eligible, and identifies unbilled advanced care management opportunities across a Medicare panel. This coordinates directly with medical coding services for code-level accuracy and with medical billing audit services to catch undercoding patterns before they compound across a full year of visit volume.
We also track place-of-service coding accuracy given the widening reimbursement gap between facility and non-facility settings under the 2026 fee schedule, and monitor MIPS performance, since the swing between neutral and strong performance can represent 15,000 to 80,000 dollars per eligible clinician annually in payment adjustments.
Zeerak Care treats physician billing as a distinct discipline from general medical billing, built around E/M optimization, incident-to compliance, and advanced care management capture rather than a generic claims workflow applied uniformly across every provider type. We deliver this at 40 to 50 percent lower cost than many U.S. billing firms, without leaving the revenue that E/M undercoding and unbilled care management codes quietly cost most physician groups.
Physician billing applies specifically to Physician Fee Schedule-based reimbursement, with its own coding logic around E/M levels, incident-to billing for advanced practice providers, and place-of-service distinctions that carry more financial weight than in facility billing.
Industry estimates put undercoded E/M revenue at 8 to 14 percent of what a practice should be collecting, with a single consistent one-level coding gap across 5,000 annual visits representing 180,000 to 250,000 dollars in uncaptured revenue for a mid-size primary care group.
Incident-to billing allows a physician group to bill at the full physician rate, rather than the roughly 85 percent advanced practice provider rate, for services rendered by an APP when strict supervisory and documentation requirements are met.
The 2026 Physician Fee Schedule increased reimbursement for many E/M services performed in a non-facility setting while reducing reimbursement for the same codes in a facility setting, creating a meaningful payment gap based solely on where the service occurred.
Chronic care management, principal care management, transitional care management, and remote physiologic monitoring are worth an estimated 280 to 420 dollars per eligible patient annually, yet are commonly under-billed across eligible Medicare panels.
The difference between neutral and strong MIPS performance can represent 15,000 to 80,000 dollars per eligible clinician per year in payment adjustments.
If E/M coding, incident-to billing, or unbilled care management codes are quietly costing your physician group revenue, Zeerak Care can help. Our physician billing services are built around the specific rules that govern physician reimbursement, not a generic claims process.
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