Physician

William W Whang, MD

According to 2025 Medicare claims, William Whang, MD (NPI: 1790734192) practices orthopedic surgery 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 SUTTER VALLEY MEDICAL FOUNDATION (NPI: 1669846986; TIN: 680273974) and primary practice location at 95355-2705. Whang is affiliated with the Sutter Medicare Direct (ACO ID: A5279), participating under the MSSP model.

Whang's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 841 traditional Medicare patients, billed 3,771 HCPCS/CPT codes, and received $304,771 in Medicare payments. The top billing code was 99214 (Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more). Part D data shows 793 prescription claims across 299 beneficiaries totaling $8,259 in drug costs, led by Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen). DME data shows 45 claims. Open Payments data shows 7 records totaling $2,769. 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 $221,324 to $304,771. In contrast, Part D prescription costs have declined steadily, from $19,038 to $8,259. For DME billing, this smaller-volume category started with an early spike, then settled into a lower baseline, moving from $15,479 to $1,437.

Part B Carrier Billing Trend

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

Year	Patients	Clm Lines	Payment
2015	616	3,858	$221,324
2016	722	3,789	$227,668
2017	742	3,735	$236,138
2018	764	2,758	$260,566
2019	845	2,487	$232,863
2020	697	3,515	$219,841
2021	789	4,145	$323,679
2022	875	4,149	$344,854
2023	826	3,791	$309,494
2024	841	3,771	$304,771

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	258	694	$19,038
2016	220	704	$16,089
2017	271	818	$13,489
2018	261	794	$16,500
2019	268	773	$11,342
2020	250	668	$12,834
2021	252	692	$12,377
2022	283	758	$12,195
2023	262	623	$12,305
2024	299	793	$8,259

DME Billing Trend

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

Year	Patients	Claims	Payment
2015	59	73	$9,532
2016	68	69	$7,654
2017	81	103	$9,718
2018	83	83	$17,954
2019	46	69	$3,149
2020	39	39	$2,512
2021	70	70	$11,110
2022	112	112	$10,965
2023	82	83	$13,711
2024	45	45	$2,146

* / # = 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
99214	Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	143	157	$94
99203	New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	216	216	$77
99213	Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more	476	602	$65
20610	Aspiration and/or injection of fluid from large joint	224	325	$50
J3301	Injection, triamcinolone acetonide, not otherwise specified, 10 mg	211	1,868	$1

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	149	1,220	$2,151
Doxycycline Hyclate	Doxycycline Hyclate	16	937	$968
Naproxen	Naproxen	80	2,640	$806
Ibuprofen	Ibuprofen	63	1,855	$581
Methylprednisolone	Methylprednisolone	71	426	$528

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
L1812	Knee orthosis, elastic with joints, prefabricated, off-the-shelf	N	45	45	$2,146

Open Payments Summary in 2024

Category	Definition	Records	Total Reported Amount	Top Related Entity
General Payments	Reported payment or transfer-of-value amount.	7	$2,769	Zimmer Biomet Holdings, Inc.
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

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FAQ

What Medicare data is available for William W. Whang, MD?

Tedicare shows public-source Medicare data for William W. Whang, MD (NPI 1790734192), 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 William W. Whang, MD have ACO affiliation data?

William W. Whang, MD is shown with ACO affiliation data for Sutter Medicare Direct (MSSP, ACO ID A5279).

What billing organization is linked to William W. Whang, MD?

William W. Whang, MD is linked to SUTTER VALLEY MEDICAL FOUNDATION (billing NPI 1669846986) in the available physician profile data.

Does William W. Whang, MD have Open Payments data?

William W. Whang, MD has 7 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.