Physician

Ahdad Ziyar

According to 2025 Medicare claims, Ahdad Ziyar (NPI: 1205330685) practices allergy/immunology in the Anaheim-Santa Ana-Irvine, CA market, with the plurality of this provider's patient population coming from Orange, CA. This provider's primary affiliated billing organization is AHDAD ZIYAR, M.D., INC. (NPI: 1124726989; TIN: 922006348) and primary practice location at 92705-9998. Ziyar is affiliated with the Sutter Medicare Direct (ACO ID: A5279), participating under the MSSP model.

Ziyar's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 28 traditional Medicare patients, billed 912 HCPCS/CPT codes, and received $14,764 in Medicare payments. Part D data shows 82 prescription claims across 30 beneficiaries totaling $10,518 in drug costs, led by Azelastine Hcl (Azelastine Hcl). DME data shows 12 claims. Open Payments data shows 3 records totaling $77. 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 has fewer than 5 years of reported Medicare Part B carrier billing data, so a reliable trend cannot be assigned. Concurrently, this provider has fewer than 5 years of reported Part D prescription costs data, so a reliable trend cannot be assigned. 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$7.4K$15K2023 Medicare payment: $6,958 (USD; Tot_Mdcr_Pymt_Amt)2024 Medicare payment: $14,764 (USD; Tot_Mdcr_Pymt_Amt)2015201620172018201920202021202220232024
YearPatientsClm LinesPayment
2015N/RN/RN/R
2016N/RN/RN/R
2017N/RN/RN/R
2018N/RN/RN/R
2019N/RN/RN/R
2020N/RN/RN/R
2021N/RN/RN/R
2022N/RN/RN/R
202352332$6,958
202428912$14,764

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$141K$282K2021 Drug cost: $64,618 (USD; Tot_Drug_Cst)2022 Drug cost: $73,589 (USD; Tot_Drug_Cst)2023 Drug cost: $281,648 (USD; Tot_Drug_Cst)2024 Drug cost: $10,518 (USD; Tot_Drug_Cst)2015201620172018201920202021202220232024
YearPatientsClaimsDrug Cost
2015N/RN/RN/R
2016N/RN/RN/R
2017N/RN/RN/R
2018N/RN/RN/R
2019N/RN/RN/R
2020N/RN/RN/R
20212566$64,618
202231105$73,589
202356215$281,648
20243082$10,518

DME Billing Trend

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

DME Billing Trend. X-axis: year 2015-2024. Y-axis: Medicare payment, unit: USD. Field: DME_Suplr_Mdcr_Pymt_Amt. Source: Medicare DME, Devices & Supplies by Referring Provider.0$34K$67K2022 Medicare payment: $58,221 (USD; DME_Suplr_Mdcr_Pymt_Amt)2023 Medicare payment: $67,369 (USD; DME_Suplr_Mdcr_Pymt_Amt)2024 Medicare payment: $37 (USD; DME_Suplr_Mdcr_Pymt_Amt)2015201620172018201920202021202220232024
YearPatientsClaimsPayment
2015N/RN/RN/R
2016N/RN/RN/R
2017N/RN/RN/R
2018N/RN/RN/R
2019N/RN/RN/R
2020N/RN/RN/R
2021N/RN/RN/R
2022N/R69$58,221
2023N/R50$67,369
2024N/R12$37

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

Top 5 Part B carrier billing codes in 2024

By total payments.

Part B summary data is connected for 2024, but public code-level payment amounts are not available, so a Top 5 by total payments cannot be shown.

Top 5 Part D drugs in 2024

By total drug costs.

DrugGenericClaimsTotal Day SupplyTotal Drug Cost
Azelastine HclAzelastine Hcl19624$499

Top 5 DME services in 2024

By Total Medicare Payment Amount.

HCPCS CodeHCPCS DescriptionSupplier Rental IndicatorTotal Supplier BeneficiariesTotal Supplier ClaimsTotal Medicare Payment Amount
E0570Nebulizer, with compressorYN/R12$37

Open Payments Summary in 2024

CategoryDefinitionRecordsTotal Reported AmountTop Related Entity
General PaymentsReported payment or transfer-of-value amount.3$77Lundbeck LLC
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 Ahdad Ziyar?

Tedicare shows public-source Medicare data for Ahdad Ziyar (NPI 1205330685), 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 Ahdad Ziyar have ACO affiliation data?

Ahdad Ziyar is shown with ACO affiliation data for Sutter Medicare Direct (MSSP, ACO ID A5279).

What billing organization is linked to Ahdad Ziyar?

Ahdad Ziyar is linked to AHDAD ZIYAR, M.D., INC. (billing NPI 1124726989) in the available physician profile data.

Does Ahdad Ziyar have Open Payments data?

Ahdad Ziyar has 3 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.