Physician

Diego A Diaz, MD

According to 2025 Medicare claims, Diego Diaz, MD (NPI: 1942270467) practices sleep medicine in the New York-Jersey City-White Plains, NY-NJ market, with the plurality of this provider's patient population coming from New York, NY. This provider's primary affiliated billing organization is DIEGO A DIAZ MD PC (NPI: 1689122913) and primary practice location at 10065-8114.

Diaz's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 643 traditional Medicare patients, billed 22,649 HCPCS/CPT codes, and received $217,971 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 4,276 prescription claims across 368 beneficiaries totaling $596,118 in drug costs, led by Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter). DME data shows 975 claims. Open Payments data shows 142 records totaling $3,251. 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 $184,460 and ending at $217,971. Concurrently, Part D prescription costs have risen steadily, from $468,356 to $596,118. For DME billing, reported payments moved up and down with repeated peaks and valleys, starting at $32,544 and ending at $54,988.

Part B Carrier Billing Trend

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

Year	Patients	Clm Lines	Payment
2015	399	3,013	$184,460
2016	395	2,687	$156,910
2017	358	2,617	$145,775
2018	449	4,636	$171,398
2019	556	9,555	$233,530
2020	438	8,554	$171,015
2021	559	13,030	$277,646
2022	412	4,302	$136,258
2023	586	14,780	$190,601
2024	643	22,649	$217,971

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	338	4,740	$468,356
2016	320	4,173	$494,840
2017	301	3,781	$413,889
2018	299	4,000	$480,273
2019	316	3,707	$614,250
2020	299	3,691	$690,545
2021	318	3,514	$794,688
2022	329	3,337	$817,882
2023	361	3,165	$825,957
2024	368	4,276	$596,118

DME Billing Trend

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

Year	Patients	Claims	Payment
2015	245	880	$33,149
2016	308	899	$27,588
2017	304	904	$41,424
2018	367	1,042	$40,582
2019	371	1,054	$68,233
2020	262	754	$42,276
2021	262	804	$27,457
2022	220	717	$33,592
2023	265	836	$56,325
2024	372	975	$54,032

* / # = 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	261	583	$112
99213	Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more	204	393	$70
94060	Test to measure expiratory airflow and volume changes before and after medication administration	145	205	$36
36415	Insertion of needle into vein for collection of blood sample	95	178	$9
95004	Test for allergy using allergenic extract	259	20,699	$4

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	93	3,672	$76,406
Eliquis	Apixaban	48	3,120	$63,388
Breo Ellipta	Fluticasone/Vilanterol	64	3,120	$40,778
Anoro Ellipta	Umeclidinium Brm/Vilanterol Tr	62	2,490	$36,221
Breztri Aerosphere	Budesonide/Glycopyr/Formoterol	25	1,650	$33,873

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
E0483	High frequency chest wall oscillation system, with full anterior and/or posterior thoracic region receiving simultaneous external oscillation, includes all accessories and supplies, each	Y	N/R	17	$15,734
E1390	Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate	Y	N/R	92	$6,469
E0601	Continuous positive airway pressure (cpap) device	Y	30	164	$4,932
A7034	Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap	N	33	72	$3,523
A7032	Cushion for use on nasal mask interface, replacement only, each	N	17	37	$3,318

Open Payments Summary in 2024

Category	Definition	Records	Total Reported Amount	Top Related Entity
General Payments	Reported payment or transfer-of-value amount.	142	$3,251	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

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FAQ

What Medicare data is available for Diego A. Diaz, MD?

Tedicare shows public-source Medicare data for Diego A. Diaz, MD (NPI 1942270467), 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 Diego A. Diaz, 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 Diego A. Diaz, MD?

Diego A. Diaz, MD is linked to DIEGO A DIAZ MD PC (billing NPI 1689122913) in the available physician profile data.

Does Diego A. Diaz, MD have Open Payments data?

Diego A. Diaz, MD has 142 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.