Physician

David Shin Chang, D.O.

According to 2025 Medicare claims, David Chang, D.O. (NPI: 1225378912) practices pain management in the Lake County, IL market, with the plurality of this provider's patient population coming from Lake, IL. This provider's primary affiliated billing organization is NORTHWESTERN MEDICAL FACULTY FOUNDATION (NPI: 1346235314; TIN: 363097297) and primary practice location at 60045-1659. Chang is affiliated with the Northwestern Medicine Physician Network ACO (ACO ID: A2620) and SBL accountable care organization (ACO ID: A5147), participating under the MSSP model.

Chang's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 461 traditional Medicare patients, billed 1,493 HCPCS/CPT codes, and received $108,544 in Medicare payments. The top billing code was 64483 (Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level). Part D data shows 159 prescription claims across 83 beneficiaries totaling $2,783 in drug costs, led by Gabapentin (Gabapentin). Open Payments data shows 1 records totaling $7. 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 up and down with repeated peaks and valleys, starting at $37,163 and ending at $108,544. Concurrently, Part D prescription costs have fallen sharply in recent years, from $280 to $2,783. 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$54K$109K2017 Medicare payment: $37,163 (USD; Tot_Mdcr_Pymt_Amt)2018 Medicare payment: $76,698 (USD; Tot_Mdcr_Pymt_Amt)2019 Medicare payment: $66,095 (USD; Tot_Mdcr_Pymt_Amt)2020 Medicare payment: $49,254 (USD; Tot_Mdcr_Pymt_Amt)2021 Medicare payment: $10,108 (USD; Tot_Mdcr_Pymt_Amt)2022 Medicare payment: $56,831 (USD; Tot_Mdcr_Pymt_Amt)2023 Medicare payment: $69,789 (USD; Tot_Mdcr_Pymt_Amt)2024 Medicare payment: $108,544 (USD; Tot_Mdcr_Pymt_Amt)2015201620172018201920202021202220232024
YearPatientsClm LinesPayment
2015N/RN/RN/R
2016N/RN/RN/R
2017196892$37,163
20183491,707$76,698
20191541,063$66,095
20201441,094$49,254
202177112$10,108
2022293677$56,831
2023357866$69,789
20244611,493$108,544

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$82K$164K2016 Drug cost: $280 (USD; Tot_Drug_Cst)2017 Drug cost: $18,277 (USD; Tot_Drug_Cst)2018 Drug cost: $150,147 (USD; Tot_Drug_Cst)2019 Drug cost: $164,371 (USD; Tot_Drug_Cst)2020 Drug cost: $139,905 (USD; Tot_Drug_Cst)2021 Drug cost: $9,107 (USD; Tot_Drug_Cst)2022 Drug cost: $2,290 (USD; Tot_Drug_Cst)2023 Drug cost: $3,585 (USD; Tot_Drug_Cst)2024 Drug cost: $2,783 (USD; Tot_Drug_Cst)2015201620172018201920202021202220232024
YearPatientsClaimsDrug Cost
2015N/RN/RN/R
2016N/R16$280
2017132396$18,277
20184683,041$150,147
20193363,526$164,371
20203703,715$139,905
2021122266$9,107
20223066$2,290
20234371$3,585
202483159$2,783

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
64483Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level94108$99
99204New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more114114$94
99214Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more118145$76
62323Injection of substance into lower spine canal using imaging guidance141178$75
99213Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more197326$51

Top 5 Part D drugs in 2024

By total drug costs.

DrugGenericClaimsTotal Day SupplyTotal Drug Cost
GabapentinGabapentin513,476$896
PregabalinPregabalin352,640$693
Tizanidine HclTizanidine Hcl12360$105

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.1$7SPR Therapeutics, 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 David Shin Chang, D.O.?

Tedicare shows public-source Medicare data for David Shin Chang, D.O. (NPI 1225378912), 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 David Shin Chang, D.O. have ACO affiliation data?

David Shin Chang, D.O. is shown with ACO affiliation data for Northwestern Medicine Physician Network ACO (MSSP, ACO ID A2620) and SBL accountable care organization (MSSP, ACO ID A5147).

What billing organization is linked to David Shin Chang, D.O.?

David Shin Chang, D.O. is linked to NORTHWESTERN MEDICAL FACULTY FOUNDATION (billing NPI 1346235314) in the available physician profile data.

Does David Shin Chang, D.O. have Open Payments data?

David Shin Chang, D.O. has 1 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.