Physician

Delia Nai-Yueh Sang, MD

According to 2025 Medicare claims, Delia Sang, MD (NPI: 1508842634) practices ophthalmology in the Cambridge-Newton-Framingham, MA market, with the plurality of this provider's patient population coming from Middlesex, MA. This provider's primary affiliated billing organization is VITREORETINAL CONSULTANTS INC. (NPI: 1154641173; TIN: 371603924) and primary practice location at 02446-5587. Sang is affiliated with the Mass General Brigham ACO, LLC (ACO ID: A4641), participating under the MSSP model.

Sang's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 1,065 traditional Medicare patients, billed 61,786 HCPCS/CPT codes, and received $2,954,232 in Medicare payments. The top billing code was 92014 (Established patient complete exam of visual system). Part D data shows 1,089 prescription claims across 259 beneficiaries totaling $63,384 in drug costs, led by Bromfenac Sodium (Bromfenac Sodium). Open Payments data shows 3 records totaling $67. 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 changed little. Concurrently, Part D prescription costs did not follow a clear longitudinal pattern. 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$1.5M$3.0M2015 Medicare payment: $2,759,617 (USD; Tot_Mdcr_Pymt_Amt)2016 Medicare payment: $2,862,134 (USD; Tot_Mdcr_Pymt_Amt)2017 Medicare payment: $2,445,229 (USD; Tot_Mdcr_Pymt_Amt)2018 Medicare payment: $2,570,475 (USD; Tot_Mdcr_Pymt_Amt)2019 Medicare payment: $2,813,721 (USD; Tot_Mdcr_Pymt_Amt)2020 Medicare payment: $2,674,909 (USD; Tot_Mdcr_Pymt_Amt)2021 Medicare payment: $2,922,219 (USD; Tot_Mdcr_Pymt_Amt)2022 Medicare payment: $2,983,372 (USD; Tot_Mdcr_Pymt_Amt)2023 Medicare payment: $2,727,600 (USD; Tot_Mdcr_Pymt_Amt)2024 Medicare payment: $2,954,232 (USD; Tot_Mdcr_Pymt_Amt)2015201620172018201920202021202220232024
YearPatientsClm LinesPayment
20151,38215,175$2,759,617
20161,41216,430$2,862,134
20171,33213,778$2,445,229
20181,38016,692$2,570,475
20191,32316,664$2,813,721
20201,03113,302$2,674,909
20211,24714,320$2,922,219
20221,20020,334$2,983,372
20231,24742,242$2,727,600
20241,06561,786$2,954,232

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$69K$137K2015 Drug cost: $68,049 (USD; Tot_Drug_Cst)2016 Drug cost: $90,878 (USD; Tot_Drug_Cst)2017 Drug cost: $97,079 (USD; Tot_Drug_Cst)2018 Drug cost: $103,367 (USD; Tot_Drug_Cst)2019 Drug cost: $137,224 (USD; Tot_Drug_Cst)2020 Drug cost: $123,496 (USD; Tot_Drug_Cst)2021 Drug cost: $89,670 (USD; Tot_Drug_Cst)2022 Drug cost: $108,217 (USD; Tot_Drug_Cst)2023 Drug cost: $89,098 (USD; Tot_Drug_Cst)2024 Drug cost: $63,384 (USD; Tot_Drug_Cst)2015201620172018201920202021202220232024
YearPatientsClaimsDrug Cost
20152441,362$68,049
20162631,518$90,878
20172401,255$97,079
20182541,170$103,367
20192601,190$137,224
2020234934$123,496
2021247946$89,670
20222671,186$108,217
20232651,183$89,098
20242591,089$63,384

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
92014Established patient complete exam of visual system8421,043$98
67028Injection of drug into eye2261,634$92
99213Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more4021,311$73
92134Imaging of retina1,0492,972$34
92250Photography of the retina1,0401,446$31

Top 5 Part D drugs in 2024

By total drug costs.

DrugGenericClaimsTotal Day SupplyTotal Drug Cost
Bromfenac SodiumBromfenac Sodium621,934$13,586
ProlensaBromfenac Sodium32903$12,054
IlevroNepafenac12394$5,544
LatanoprostLatanoprost56226,092$4,990
Timolol MaleateTimolol Maleate794,495$3,577

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.3$67ABBVIE 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 Delia Nai-Yueh Sang, MD?

Tedicare shows public-source Medicare data for Delia Nai-Yueh Sang, MD (NPI 1508842634), 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 Delia Nai-Yueh Sang, MD have ACO affiliation data?

Delia Nai-Yueh Sang, MD is shown with ACO affiliation data for Mass General Brigham ACO, LLC (MSSP, ACO ID A4641).

What billing organization is linked to Delia Nai-Yueh Sang, MD?

Delia Nai-Yueh Sang, MD is linked to VITREORETINAL CONSULTANTS INC. (billing NPI 1154641173) in the available physician profile data.

Does Delia Nai-Yueh Sang, MD have Open Payments data?

Delia Nai-Yueh Sang, MD 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.