Physician

Ali Ahmed Karrar, M.D.

According to 2025 Medicare claims, Ali Karrar, M.D. (NPI: 1871520239) practices rheumatology in the Flint, MI market, with the plurality of this provider's patient population coming from Genesee, MI. This provider's primary affiliated billing organization is MICHIGAN RHEUMATOLOGY GROUP PC (NPI: 1689746901; TIN: 200545667) and primary practice location at 48439-1843. Karrar is affiliated with the Genesys PHO, L.L.C. (ACO ID: A2597), Mosaic ACO (ACO ID: A5033), and Stellar Health ACO (ACO ID: A5346), participating under the MSSP model.

Karrar's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 279 traditional Medicare patients, billed 12,581 HCPCS/CPT codes, and received $202,038 in Medicare payments. The top billing code was 99204 (New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more). Part D data shows 3,715 prescription claims across 742 beneficiaries totaling $4,111,180 in drug costs, led by Enbrel Sureclick (Etanercept). Open Payments data shows 228 records totaling $359,556. 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 risen steadily, from $166,978 to $202,038. Similarly, Part D prescription costs have moved from a lower plateau to a higher plateau, from $1,558,029 to $4,111,180. For DME billing, this provider has fewer than 5 years of reported data, so a reliable trend cannot be assigned.

Part B Carrier Billing Trend

Medicare payment trend, with N of patients and claim lines in the table.

Part B Carrier Billing Trend. X-axis: year 2015-2024. Y-axis: Medicare payment, unit: USD. Field: Tot_Mdcr_Pymt_Amt. Source: Medicare Physician & Other Practitioners by Provider.0$123K$247K2015 Medicare payment: $166,978 (USD; Tot_Mdcr_Pymt_Amt)2016 Medicare payment: $139,087 (USD; Tot_Mdcr_Pymt_Amt)2017 Medicare payment: $145,775 (USD; Tot_Mdcr_Pymt_Amt)2018 Medicare payment: $131,528 (USD; Tot_Mdcr_Pymt_Amt)2019 Medicare payment: $116,393 (USD; Tot_Mdcr_Pymt_Amt)2020 Medicare payment: $186,104 (USD; Tot_Mdcr_Pymt_Amt)2021 Medicare payment: $246,912 (USD; Tot_Mdcr_Pymt_Amt)2022 Medicare payment: $189,625 (USD; Tot_Mdcr_Pymt_Amt)2023 Medicare payment: $219,440 (USD; Tot_Mdcr_Pymt_Amt)2024 Medicare payment: $202,038 (USD; Tot_Mdcr_Pymt_Amt)2015201620172018201920202021202220232024
YearPatientsClm LinesPayment
20156403,134$166,978
20165262,708$139,087
20175522,712$145,775
20185762,447$131,528
20195262,986$116,393
20203828,363$186,104
20213689,582$246,912
20222668,315$189,625
20233259,731$219,440
202427912,581$202,038

Part D Events Trend

Drug cost trend, with N of patients and prescription claims in the table.

Part D Events Trend. X-axis: year 2015-2024. Y-axis: Drug cost, unit: USD. Field: Tot_Drug_Cst. Source: Medicare Part D Prescribers by Provider.0$2.3M$4.6M2015 Drug cost: $1,558,029 (USD; Tot_Drug_Cst)2016 Drug cost: $1,640,856 (USD; Tot_Drug_Cst)2017 Drug cost: $2,938,919 (USD; Tot_Drug_Cst)2018 Drug cost: $4,053,174 (USD; Tot_Drug_Cst)2019 Drug cost: $4,482,296 (USD; Tot_Drug_Cst)2020 Drug cost: $4,605,524 (USD; Tot_Drug_Cst)2021 Drug cost: $4,221,668 (USD; Tot_Drug_Cst)2022 Drug cost: $3,681,601 (USD; Tot_Drug_Cst)2023 Drug cost: $3,281,199 (USD; Tot_Drug_Cst)2024 Drug cost: $4,111,180 (USD; Tot_Drug_Cst)2015201620172018201920202021202220232024
YearPatientsClaimsDrug Cost
20154162,371$1,558,029
20164472,405$1,640,856
20175884,180$2,938,919
20186574,637$4,053,174
20196824,939$4,482,296
20207045,065$4,605,524
20217374,393$4,221,668
20227203,601$3,681,601
20236533,227$3,281,199
20247423,715$4,111,180

DME Billing Trend

Medicare payment trend, with N of patients and DME claim records in the table.

No connected DME records

No connected DME records

* / # = suppressed by CMS; 0 = reported zero; N/R = not reported or blank.

Top 5 Part B carrier billing codes in 2024

By total payments.

CodeDescriptionPatientsClm LinesTotal Payment
99204New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more4040$108
99214Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more228541$83
77080Dxa bone density measurement of hip, pelvis, spine4848$35
G2211Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's79107$13
96372Injection of drug or substance under skin or into muscle3360$10

Top 5 Part D drugs in 2024

By total drug costs.

DrugGenericClaimsTotal Day SupplyTotal Drug Cost
Enbrel SureclickEtanercept1354,060$1,045,913
Humira(Cf) PenAdalimumab1544,368$1,039,454
EnbrelEtanercept461,348$318,269
Humira PenAdalimumab32980$231,191
HumiraAdalimumab31871$227,332

Top 5 DME services in 2024

No connected or detailed DME service-level records for 2024.

Open Payments Summary in 2024

CategoryDefinitionRecordsTotal Reported AmountTop Related Entity
General PaymentsReported payment or transfer-of-value amount.168$5,369Biogen, Inc.
Research PaymentsReported research-related payment or transfer-of-value amount.60$354,188Novartis Pharmaceuticals Corporation
Ownership / Investment InterestsReported value of ownership or investment interests.0$0N/R

FAQ

What Medicare data is available for Ali Ahmed Karrar, M.D.?

Tedicare shows public-source Medicare data for Ali Ahmed Karrar, M.D. (NPI 1871520239), including provider identity, specialty, market context, Medicare Part B activity, Part D prescribing, DME records, Open Payments where available, billing organization details, and ACO affiliation signals where available. Profile data covers 2015-2024, with current attribution based on 2025 claims where available.

Does Ali Ahmed Karrar, M.D. have ACO affiliation data?

Ali Ahmed Karrar, M.D. is shown with ACO affiliation data for Genesys PHO, L.L.C. (MSSP, ACO ID A2597), Mosaic ACO (MSSP, ACO ID A5033), and Stellar Health ACO (MSSP, ACO ID A5346).

What billing organization is linked to Ali Ahmed Karrar, M.D.?

Ali Ahmed Karrar, M.D. is linked to MICHIGAN RHEUMATOLOGY GROUP PC (billing NPI 1689746901) in the available physician profile data.

Does Ali Ahmed Karrar, M.D. have Open Payments data?

Ali Ahmed Karrar, M.D. has 228 connected Open Payments records in the available 2024 summary data.

Can I download physician-level Medicare data from Tedicare?

Yes. Tedicare provides sample physician export data and paid custom physician data exports for research, planning, outreach, and market analysis. Exports can include physician profile fields, market and specialty context, billing organization details, ACO affiliation signals where available, and Medicare utilization data.