Physician
Mohamed Altattan, M.D.
According to 2025 Medicare claims, Mohamed Altattan, M.D. (NPI: 1477932093) practices rheumatology in the Warren-Troy-Farmington Hills, MI market, with the plurality of this provider's patient population coming from Oakland, MI. This provider's primary affiliated billing organization is AMERICAN ARTHRITIS & RHEUMATOLOGY ASSOCIATES -MI PLLC (NPI: 1538655469; TIN: 823851171) and primary practice location at 48073-0991. Altattan is affiliated with the Kettering Physician Partners Accountable Care LLC (ACO ID: A5062), participating under the MSSP model.
Altattan's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 459 traditional Medicare patients, billed 62,941 HCPCS/CPT codes, and received $737,051 in Medicare payments. The top billing code was 99205 (New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more). Part D data shows 2,442 prescription claims across 465 beneficiaries totaling $1,393,833 in drug costs, led by Enbrel Sureclick (Etanercept). DME data shows 50 claims. Open Payments data shows 180 records totaling $4,283. You can download detailed data with all billing codes (2015-2024). For more recent data, please contact us.
Over the past 10 years, this provider's Medicare Part B carrier billing has moved sharply higher in recent years, from $46,373 to $737,051. Similarly, Part D prescription costs have risen steadily, from $8,108 to $1,393,833. In contrast, DME billing represents a smaller volume and did not follow a clear longitudinal pattern.