Physician

Lauren Merz, MD

According to 2025 Medicare claims, Lauren Merz, MD (NPI: 1073176939) practices hematology in the Warren-Troy-Farmington Hills, MI market, with the plurality of this provider's patient population coming from Oakland, MI. This provider's primary affiliated billing organization is REGENTS OF THE UNIVERSITY OF MICHIGAN (NPI: 1881626265; TIN: 386006309) and primary practice location at 48109-5000. Merz is affiliated with the Mass General Brigham ACO, LLC (ACO ID: A4641), participating under the MSSP model.

Merz's data goes back to 2015 and runs through 2024. Part D data shows 20 prescription claims totaling $4,930 in drug costs. Open Payments data shows 1 records totaling $3,270. 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 has fewer than 5 years of reported Medicare Part B carrier billing data, so a reliable trend cannot be assigned. Concurrently, Part D prescription costs have fallen sharply in recent years, from $7,000 to $4,930. 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.

No connected Part B records

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	20	70	$7,000
2020	42	192	$22,238
2021	44	192	$27,516
2022	39	134	$19,360
2023	23	40	$12,573
2024	N/R	20	$4,930

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.

No connected Part B code-level records for 2024.

Top 5 Part D drugs in 2024

By total drug costs.

Part D summary data is connected for 2024, but public drug-level costs are not available, so a Top 5 by total drug costs cannot be shown.

Top 5 DME services in 2024

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

Open Payments Summary in 2024

Category	Definition	Records	Total Reported Amount	Top Related Entity
General Payments	Reported payment or transfer-of-value amount.	1	$3,270	Janssen Research & Development, LLC
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 Lauren Merz, MD?

Tedicare shows public-source Medicare data for Lauren Merz, MD (NPI 1073176939), 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 Lauren Merz, MD have ACO affiliation data?

Lauren Merz, MD is shown with ACO affiliation data for Mass General Brigham ACO, LLC (MSSP, ACO ID A4641).

What billing organization is linked to Lauren Merz, MD?

Lauren Merz, MD is linked to REGENTS OF THE UNIVERSITY OF MICHIGAN (billing NPI 1881626265) in the available physician profile data.

Does Lauren Merz, MD have Open Payments data?

Lauren Merz, MD has 1 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.