Physician

Wenlan Zhang, MD

According to 2025 Medicare claims, Wenlan Zhang, MD (NPI: 1982961405) practices ophthalmology in the Portland-Vancouver-Hillsboro, OR-WA market, with the plurality of this provider's patient population coming from Washington, OR. This provider's primary affiliated billing organization is RETINA NORTHWEST P.C. (NPI: 1104813781; TIN: 930727712) and primary practice location at 97225-6683.

Zhang's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 543 traditional Medicare patients, billed 18,171 HCPCS/CPT codes, and received $1,517,555 in Medicare payments. The top billing code was 67028 (Injection of drug into eye). Part D data shows 601 prescription claims across 142 beneficiaries totaling $22,467 in drug costs, led by Prednisolone Acetate (Prednisolone Acetate). Open Payments data shows 4 records totaling $488. 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 $4,512 to $1,517,555. Concurrently, Part D prescription costs have moved up and down with repeated peaks and valleys, starting at $8,861 and ending at $22,467. 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$766K$1.5M2016 Medicare payment: $4,512 (USD; Tot_Mdcr_Pymt_Amt)2017 Medicare payment: $18,017 (USD; Tot_Mdcr_Pymt_Amt)2018 Medicare payment: $19,821 (USD; Tot_Mdcr_Pymt_Amt)2019 Medicare payment: $99,445 (USD; Tot_Mdcr_Pymt_Amt)2020 Medicare payment: $873,274 (USD; Tot_Mdcr_Pymt_Amt)2021 Medicare payment: $1,164,675 (USD; Tot_Mdcr_Pymt_Amt)2022 Medicare payment: $1,229,036 (USD; Tot_Mdcr_Pymt_Amt)2023 Medicare payment: $1,532,058 (USD; Tot_Mdcr_Pymt_Amt)2024 Medicare payment: $1,517,555 (USD; Tot_Mdcr_Pymt_Amt)2015201620172018201920202021202220232024
YearPatientsClm LinesPayment
2015N/RN/RN/R
20163043$4,512
2017111205$18,017
2018145260$19,821
2019200665$99,445
20204154,277$873,274
20214415,542$1,164,675
20224436,320$1,229,036
202347417,144$1,532,058
202454318,171$1,517,555

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$26K$51K2015 Drug cost: $8,861 (USD; Tot_Drug_Cst)2016 Drug cost: $6,254 (USD; Tot_Drug_Cst)2017 Drug cost: $14,041 (USD; Tot_Drug_Cst)2018 Drug cost: $51,031 (USD; Tot_Drug_Cst)2019 Drug cost: $23,273 (USD; Tot_Drug_Cst)2020 Drug cost: $14,030 (USD; Tot_Drug_Cst)2021 Drug cost: $16,799 (USD; Tot_Drug_Cst)2022 Drug cost: $16,018 (USD; Tot_Drug_Cst)2023 Drug cost: $18,469 (USD; Tot_Drug_Cst)2024 Drug cost: $22,467 (USD; Tot_Drug_Cst)2015201620172018201920202021202220232024
YearPatientsClaimsDrug Cost
201526113$8,861
201663142$6,254
2017112274$14,041
2018238900$51,031
2019153490$23,273
2020108388$14,030
2021130413$16,799
2022132447$16,018
2023134510$18,469
2024142601$22,467

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
67028Injection of drug into eye2811,157$102
99214Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more144186$96
J7999Compounded drug, not otherwise classified163623$71
99213Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more377667$67
92134Imaging of retina4671,483$32

Top 5 Part D drugs in 2024

By total drug costs.

DrugGenericClaimsTotal Day SupplyTotal Drug Cost
Prednisolone AcetatePrednisolone Acetate1925,173$7,682
DifluprednateDifluprednate32954$4,007
Ketorolac TromethamineKetorolac Tromethamine1373,570$3,132
OfloxacinOfloxacin601,487$697
Brimonidine TartrateBrimonidine Tartrate11442$611

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.4$488Genentech USA, 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 Wenlan Zhang, MD?

Tedicare shows public-source Medicare data for Wenlan Zhang, MD (NPI 1982961405), 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 Wenlan Zhang, 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 Wenlan Zhang, MD?

Wenlan Zhang, MD is linked to RETINA NORTHWEST P.C. (billing NPI 1104813781) in the available physician profile data.

Does Wenlan Zhang, MD have Open Payments data?

Wenlan Zhang, MD has 4 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.