Physician

Tong Sun, MD

According to 2025 Medicare claims, Tong Sun, MD (NPI: 1629161336) practices nephrology in the Modesto, CA market, with the plurality of this provider's patient population coming from Stanislaus, CA. This provider's primary affiliated billing organization is MODESTO KIDNEY MEDICAL GROUP (NPI: 1306848569; TIN: 770209616) and primary practice location at 95350-4405. Sun is affiliated with the Caravan Collaborative Pathways (ACO ID: A4604), participating under the MSSP model.

Sun's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 662 traditional Medicare patients, billed 3,574 HCPCS/CPT codes, and received $376,170 in Medicare payments. The top billing code was 99223 (Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes). Part D data shows 6,711 prescription claims across 725 beneficiaries totaling $458,531 in drug costs, led by Clinolipid (Fat Emulsion/Olive/Soy/Phospho). DME data shows 52 claims. Open Payments data shows 36 records totaling $812. 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 risen steadily, from $249,351 to $376,170. Concurrently, Part D prescription costs have changed little. 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.

Year	Patients	Clm Lines	Payment
2015	423	2,165	$249,351
2016	379	1,814	$227,601
2017	355	1,804	$227,681
2018	405	2,036	$235,983
2019	365	1,963	$228,135
2020	369	1,956	$241,769
2021	467	2,286	$311,422
2022	463	2,382	$293,584
2023	492	2,464	$296,969
2024	662	3,574	$376,170

Part D Events Trend

Drug cost trend, with N of patients and prescription claims in the table.

Year	Patients	Claims	Drug Cost
2015	444	7,287	$539,548
2016	450	7,571	$566,763
2017	439	7,272	$615,066
2018	435	6,718	$446,320
2019	476	6,201	$372,902
2020	528	5,856	$450,236
2021	570	5,711	$544,818
2022	671	6,018	$490,445
2023	709	6,348	$537,354
2024	725	6,711	$458,531

DME Billing Trend

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

Year	Patients	Claims	Payment
2015	N/R	N/R	N/R
2016	N/R	N/R	N/R
2017	N/R	N/R	N/R
2018	N/R	N/R	N/R
2019	N/R	N/R	N/R
2020	N/R	N/R	N/R
2021	N/R	N/R	N/R
2022	N/R	11	$106
2023	N/R	54	$943
2024	N/R	52	$987

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

Top 5 Part B carrier billing codes in 2024

By total payments.

Code	Description	Patients	Clm Lines	Total Payment
99223	Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	259	298	$135
99215	Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	64	89	$130
99233	Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	315	978	$92
99214	Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	254	543	$74
99232	Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	270	1,029	$61

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Clinolipid	Fat Emulsion/Olive/Soy/Phospho	225	1,535	$53,718
Jardiance	Empagliflozin	65	2,670	$50,059
Kerendia	Finerenone	42	2,160	$43,922
Farxiga	Dapagliflozin Propanediol	55	2,430	$42,354
Procrit	Epoetin Alfa	25	700	$25,013

Top 5 DME services in 2024

By Total Medicare Payment Amount.

HCPCS Code	HCPCS Description	Supplier Rental Indicator	Total Supplier Beneficiaries	Total Supplier Claims	Total Medicare Payment Amount
J7507	Tacrolimus, immediate release, oral, 1 mg	N	N/R	22	$560
Q0511	Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day period	N	N/R	17	$301
Q0512	Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for a subsequent prescription in a 30-day period	N	N/R	13	$125

Open Payments Summary in 2024

Category	Definition	Records	Total Reported Amount	Top Related Entity
General Payments	Reported payment or transfer-of-value amount.	36	$812	AstraZeneca Pharmaceuticals LP
Research Payments	Reported research-related payment or transfer-of-value amount.	0	$0	N/R
Ownership / Investment Interests	Reported value of ownership or investment interests.	0	$0	N/R

Explore More Providers

FAQ

What Medicare data is available for Tong Sun, MD?

Tedicare shows public-source Medicare data for Tong Sun, MD (NPI 1629161336), 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 Tong Sun, MD have ACO affiliation data?

Tong Sun, MD is shown with ACO affiliation data for Caravan Collaborative Pathways (MSSP, ACO ID A4604).

What billing organization is linked to Tong Sun, MD?

Tong Sun, MD is linked to MODESTO KIDNEY MEDICAL GROUP (billing NPI 1306848569) in the available physician profile data.

Does Tong Sun, MD have Open Payments data?

Tong Sun, MD has 36 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.