Physician

Felix Wuchi Chang, MD

According to 2025 Medicare claims, Felix Chang, MD (NPI: 1174987283) practices neuropsychiatry in the San Jose-Sunnyvale-Santa Clara, CA market, with the plurality of this provider's patient population coming from Santa Clara, CA. This provider's primary affiliated billing organization is STANFORD HEALTH CARE (NPI: 1437292927; TIN: 770465765) and primary practice location at 94305-2200.

Chang's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 115 traditional Medicare patients, billed 1,308 HCPCS/CPT codes, and received $56,865 in Medicare payments. The top billing code was 95939 (Placement of skin electrodes and measurement of central motor stimulation in arms and legs). Part D data shows 41 prescription claims across 14 beneficiaries totaling $3,155 in drug costs, led by Tizanidine Hcl (Tizanidine Hcl). No Open Payments records. 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, Part D prescription costs started with an early spike, then settled into a lower baseline, moving from $7,317 to $3,155. 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$41K$82K2021 Medicare payment: $17,727 (USD; Tot_Mdcr_Pymt_Amt)2022 Medicare payment: $82,073 (USD; Tot_Mdcr_Pymt_Amt)2023 Medicare payment: $74,457 (USD; Tot_Mdcr_Pymt_Amt)2024 Medicare payment: $56,865 (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
202130461$17,727
20221472,073$82,073
20231441,870$74,457
20241151,308$56,865

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$3.7K$7.3K2017 Drug cost: $7,317 (USD; Tot_Drug_Cst)2018 Drug cost: $6,720 (USD; Tot_Drug_Cst)2019 Drug cost: $4,436 (USD; Tot_Drug_Cst)2020 Drug cost: $1,677 (USD; Tot_Drug_Cst)2022 Drug cost: $547 (USD; Tot_Drug_Cst)2023 Drug cost: $1,987 (USD; Tot_Drug_Cst)2024 Drug cost: $3,155 (USD; Tot_Drug_Cst)2015201620172018201920202021202220232024
YearPatientsClaimsDrug Cost
2015N/RN/RN/R
2016N/RN/RN/R
20171636$7,317
20181862$6,720
20191777$4,436
20201252$1,677
2021N/RN/RN/R
2022N/R21$547
20231341$1,987
20241441$3,155

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
95939Placement of skin electrodes and measurement of central motor stimulation in arms and legs5556$107
95861Needle measurement of electrical activity in arm or leg muscles, 2 extremities4041$74
95938Placement of skin electrodes and measurement of stimulated sites on arms and legs5758$41
G0453Continuous intraoperative neurophysiology monitoring, from outside the operating room (remote or nearby), per patient, (attention directed exclusively to one patient) each 15 minutes (list in addition to primary procedure)60845$29
95874Needle measurement of electrical activity in muscle with injection of chemical for paralysis of nerve muscle3176$16

Top 5 Part D drugs in 2024

By total drug costs.

DrugGenericClaimsTotal Day SupplyTotal Drug Cost
Tizanidine HclTizanidine Hcl16588$336

Top 5 DME services in 2024

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

Open Payments Summary

No connected Open Payments records were found for this physician in General Payments, Research Payments, or Ownership / Investment Interests.

FAQ

What Medicare data is available for Felix Wuchi Chang, MD?

Tedicare shows public-source Medicare data for Felix Wuchi Chang, MD (NPI 1174987283), 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 Felix Wuchi Chang, MD have ACO affiliation data?

No ACO affiliation record is shown in the available Tedicare data for this profile.

What billing organization is linked to Felix Wuchi Chang, MD?

Felix Wuchi Chang, MD is linked to STANFORD HEALTH CARE (billing NPI 1437292927) in the available physician profile data.

Does Felix Wuchi Chang, MD have Open Payments data?

No connected Open Payments records are shown for this physician in the available General Payments, Research Payments, or Ownership / Investment Interests 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.