Physician

Peter P. Chang, MD

According to 2025 Medicare claims, Peter Chang, MD (NPI: 1780688028) practices family practice in the San Angelo, TX market, with the plurality of this provider's patient population coming from Tom Green, TX. This provider's primary affiliated billing organization is PRIVIA MEDICAL GROUP WEST TEXAS, PLLC (NPI: 1346242567; TIN: 752624216) and primary practice location at 76903-6377. Chang is affiliated with the CHSPSC ACO 14, LLC (ACO ID: A3724) and Privia Quality Network Gulf Coast II, LLC (ACO ID: A3783), participating under the MSSP model.

Chang's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 346 traditional Medicare patients, billed 5,534 HCPCS/CPT codes, and received $170,620 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 34,460 prescription claims across 839 beneficiaries totaling $1,646,934 in drug costs, led by Mounjaro (Tirzepatide). DME data shows 385 claims. Open Payments data shows 56 records totaling $9,488. 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 up and down with repeated peaks and valleys, starting at $133,751 and ending at $170,620. Concurrently, Part D prescription costs have changed little. For DME billing, reported payments moved up and down with repeated peaks and valleys, starting at $97,513 and ending at $70,248.

Part B Carrier Billing Trend

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

Year	Patients	Clm Lines	Payment
2015	762	6,073	$133,751
2016	742	6,556	$189,455
2017	826	6,476	$196,183
2018	863	6,469	$185,140
2019	697	6,000	$151,354
2020	559	5,622	$156,791
2021	500	3,383	$95,564
2022	355	4,038	$133,932
2023	335	5,082	$175,293
2024	346	5,534	$170,620

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	722	21,739	$1,454,483
2016	756	22,780	$1,535,891
2017	821	24,339	$1,643,063
2018	874	26,834	$1,623,442
2019	981	28,967	$1,761,557
2020	1,000	29,181	$1,816,472
2021	949	25,653	$1,719,491
2022	871	22,299	$1,550,673
2023	823	24,206	$1,742,228
2024	839	34,460	$1,646,934

DME Billing Trend

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

Year	Patients	Claims	Payment
2015	375	1,500	$61,734
2016	317	1,286	$49,859
2017	301	1,438	$67,528
2018	265	1,359	$74,091
2019	155	1,138	$56,573
2020	154	1,061	$56,010
2021	114	783	$52,250
2022	27	376	$41,040
2023	37	496	$68,619
2024	13	385	$53,605

* / # = 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	242	798	$86
99213	Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more	155	310	$52
G2211	Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's	169	376	$12
96372	Injection of drug or substance under skin or into muscle	106	397	$10
36415	Insertion of needle into vein for collection of blood sample	105	151	$9

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Mounjaro	Tirzepatide	146	4,942	$181,832
Ozempic	Semaglutide	103	5,146	$131,066
Eliquis	Apixaban	220	5,014	$97,886
Linzess	Linaclotide	94	3,680	$64,362
Januvia	Sitagliptin Phosphate	143	3,001	$50,492

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
E0466	Home ventilator, any type, used with non-invasive interface, (e.g., mask, chest shell)	Y	N/R	24	$24,141
A6021	Collagen dressing, sterile, size 16 sq. in. or less, each	N	13	19	$9,686
A4239	Supply allowance for non-adjunctive, non-implanted continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service	N	N/R	19	$7,926
E1390	Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate	Y	N/R	51	$3,959
E1161	Manual adult size wheelchair, includes tilt in space	Y	N/R	13	$2,451

Open Payments Summary in 2024

Category	Definition	Records	Total Reported Amount	Top Related Entity
General Payments	Reported payment or transfer-of-value amount.	56	$9,488	ABBVIE 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 Peter P. Chang, MD?

Tedicare shows public-source Medicare data for Peter P. Chang, MD (NPI 1780688028), 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 Peter P. Chang, MD have ACO affiliation data?

Peter P. Chang, MD is shown with ACO affiliation data for CHSPSC ACO 14, LLC (MSSP, ACO ID A3724) and Privia Quality Network Gulf Coast II, LLC (MSSP, ACO ID A3783).

What billing organization is linked to Peter P. Chang, MD?

Peter P. Chang, MD is linked to PRIVIA MEDICAL GROUP WEST TEXAS, PLLC (billing NPI 1346242567) in the available physician profile data.

Does Peter P. Chang, MD have Open Payments data?

Peter P. Chang, MD has 56 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.