Physician

Diya H Tantawi, MD, FACS

According to 2025 Medicare claims, Diya Tantawi, MD, FACS (NPI: 1235372376) practices general surgery in the Riverside-San Bernardino-Ontario, CA market, with the plurality of this provider's patient population coming from Riverside, CA. Tantawi uses personal NPI as billing NPI and primary practice location at 92260-9998. Tantawi is affiliated with the Baptist Connected Care Solutions, Inc. (ACO ID: A5693), participating under the MSSP model.

Tantawi's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 131 traditional Medicare patients, billed 682 HCPCS/CPT codes, and received $594,290 in Medicare payments. The top billing code was 37609 (Tying or biopsy of artery on side of skull). Part D data shows 205 prescription claims across 53 beneficiaries totaling $6,786 in drug costs, led by Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav). Open Payments data shows 6 records totaling $376. 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 $2,953 to $594,290. Concurrently, Part D prescription costs have moved up and down with repeated peaks and valleys, starting at $344 and ending at $6,786. 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$297K$594K2015 Medicare payment: $2,953 (USD; Tot_Mdcr_Pymt_Amt)2018 Medicare payment: $29,504 (USD; Tot_Mdcr_Pymt_Amt)2019 Medicare payment: $132,695 (USD; Tot_Mdcr_Pymt_Amt)2020 Medicare payment: $84,540 (USD; Tot_Mdcr_Pymt_Amt)2021 Medicare payment: $26,522 (USD; Tot_Mdcr_Pymt_Amt)2022 Medicare payment: $42,645 (USD; Tot_Mdcr_Pymt_Amt)2023 Medicare payment: $68,301 (USD; Tot_Mdcr_Pymt_Amt)2024 Medicare payment: $594,290 (USD; Tot_Mdcr_Pymt_Amt)2015201620172018201920202021202220232024
YearPatientsClm LinesPayment
20151932$2,953
2016N/RN/RN/R
2017N/RN/RN/R
201866233$29,504
2019247733$132,695
2020184553$84,540
202133106$26,522
202277161$42,645
2023130347$68,301
2024131682$594,290

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$7.1K$14K2015 Drug cost: $344 (USD; Tot_Drug_Cst)2018 Drug cost: $7,840 (USD; Tot_Drug_Cst)2019 Drug cost: $14,223 (USD; Tot_Drug_Cst)2020 Drug cost: $8,388 (USD; Tot_Drug_Cst)2021 Drug cost: $2,337 (USD; Tot_Drug_Cst)2022 Drug cost: $3,016 (USD; Tot_Drug_Cst)2023 Drug cost: $8,063 (USD; Tot_Drug_Cst)2024 Drug cost: $6,786 (USD; Tot_Drug_Cst)2015201620172018201920202021202220232024
YearPatientsClaimsDrug Cost
2015N/R20$344
2016N/RN/RN/R
2017N/RN/RN/R
201843114$7,840
2019114371$14,223
202083273$8,388
20213393$2,337
202236153$3,016
202336280$8,063
202453205$6,786

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
37609Tying or biopsy of artery on side of skull1414$215
99223Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes4243$135
99222Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes5152$99
99203New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more2121$82
99231Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes1722$39

Top 5 Part D drugs in 2024

By total drug costs.

DrugGenericClaimsTotal Day SupplyTotal Drug Cost
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav35338$245
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen35225$216
Tizanidine HclTizanidine Hcl28609$149
MeloxicamMeloxicam18577$65
PrednisonePrednisone2087$60

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.6$376Amgen Inc.
Research PaymentsReported research-related payment or transfer-of-value amount.0$0N/R
Ownership / Investment InterestsReported value of ownership or investment interests.0$0N/R

FAQ

What Medicare data is available for Diya H. Tantawi, MD, FACS?

Tedicare shows public-source Medicare data for Diya H. Tantawi, MD, FACS (NPI 1235372376), 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 Diya H. Tantawi, MD, FACS have ACO affiliation data?

Diya H. Tantawi, MD, FACS is shown with ACO affiliation data for Baptist Connected Care Solutions, Inc. (MSSP, ACO ID A5693).

What billing organization is linked to Diya H. Tantawi, MD, FACS?

A separate primary affiliated billing organization is not shown for this profile in the available data.

Does Diya H. Tantawi, MD, FACS have Open Payments data?

Diya H. Tantawi, MD, FACS has 6 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.