99489 is the CPT code for: Complex chronic care management services for two or more chronic conditions, each additional 60 minutes of clinical staff time directed by health care professional, per calendar month. In 2024, 2,003 providers billed 99489 1,389,391 times, with an estimated $74.0M paid by Medicare.
Medicare's 2026 Physician Fee Schedule national rate for 99489 is $78.16 in the office setting and $43.76 in a facility. National amounts before geographic adjustment — your locality's rate differs slightly.
What Medicare actually paid per service in 2024, on average: $53.26 (observed payment across all settings and modifiers — not a fee-schedule rate).
The top 5 billers nationally, ranked by 2024 Medicare service volume.
| # | Provider | Specialty | Location | Services | Est. Medicare paid |
|---|---|---|---|---|---|
| 1 | Tao Ho, M.D. | Internal Medicine | Dallas, TX | 79,571 | $4.4M |
| 2 | Martin Perlin, MD | Internal Medicine | Mount Kisco, NY | 43,552 | $2.6M |
| 3 | Mesum Moosavi, MD | Geriatric Medicine | Hawthorne, NJ | 29,685 | $1.8M |
| 4 | Andrew Donato, MD | Emergency Medicine | Columbia, SC | 27,415 | $1.5M |
| 5 | Joel Waldrop, MD | Emergency Medicine | Columbia, SC | 24,861 | $1.2M |
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