Physician

Adrian Alberto Diez, MD

According to 2025 Medicare claims, Adrian Diez, MD (NPI: 1619499431) practices emergency medicine in the Lakewood-New Brunswick, NJ market, with the plurality of this provider's patient population coming from Middlesex, NJ. This provider's primary affiliated billing organization is MIDDLESEX EMERGENCY PHYSICIANS, P.A. (NPI: 1811921760; TIN: 223527701) and primary practice location at 08820-3947.

Diez's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 532 traditional Medicare patients, billed 600 HCPCS/CPT codes, and received $80,064 in Medicare payments. The top billing code was 99291 (Critical care, first 30-74 minutes). Part D data shows 263 prescription claims across 206 beneficiaries totaling $4,350 in drug costs, led by Naproxen (Naproxen). No Open Payments records. 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 did not follow a clear longitudinal pattern. 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.

Year	Patients	Clm Lines	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	294	325	$46,053
2021	677	771	$113,700
2022	704	770	$106,468
2023	663	749	$99,622
2024	532	600	$80,064

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
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	56	70	$1,626
2021	193	242	$3,356
2022	208	263	$10,298
2023	209	259	$4,720
2024	206	263	$4,350

DME Billing Trend

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

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.

Code	Description	Patients	Clm Lines	Total Payment
99291	Critical care, first 30-74 minutes	69	71	$178
99285	Emergency department visit with high level of medical decision making	341	360	$144
99284	Emergency department visit with moderate level of medical decision making	119	123	$101
99283	Emergency department visit with low level of medical decision making	17	17	$56

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Naproxen	Naproxen	37	311	$436
Ibuprofen	Ibuprofen	30	239	$130
Cefdinir	Cefdinir	13	92	$124
Cephalexin	Cephalexin	19	131	$111
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	11	83	$87

Top 5 DME services in 2024

No connected or detailed DME service-level records for 2024.

Open Payments Summary

No connected Open Payments records were found for this physician in General Payments, Research Payments, or Ownership / Investment Interests.

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FAQ

What Medicare data is available for Adrian Alberto Diez, MD?

Tedicare shows public-source Medicare data for Adrian Alberto Diez, MD (NPI 1619499431), 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 Adrian Alberto Diez, 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 Adrian Alberto Diez, MD?

Adrian Alberto Diez, MD is linked to MIDDLESEX EMERGENCY PHYSICIANS, P.A. (billing NPI 1811921760) in the available physician profile data.

Does Adrian Alberto Diez, MD have Open Payments data?

No connected Open Payments records are shown for this physician in the available General Payments, Research Payments, or Ownership / Investment Interests 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.