Physician

Abby Hornstein, MD

According to 2025 Medicare claims, Abby Hornstein, MD (NPI: 1427048628) practices pathology in the Providence-Warwick, RI-MA market, with the plurality of this provider's patient population coming from Washington, RI. This provider's primary affiliated billing organization is UNIVERSITY PATHOLOGISTS, LLC (NPI: 1568640886; TIN: 205879551) and primary practice location at 02879-4299.

Hornstein's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 871 traditional Medicare patients, billed 1,925 HCPCS/CPT codes, and received $56,360 in Medicare payments. The top billing code was G0416 (Surgical pathology, gross and microscopic examinations, for prostate needle biopsy, any method). Open Payments data shows 2 records totaling $26. 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, this provider has fewer than 5 years of reported Part D prescription costs data, so a reliable trend cannot be assigned. 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	109	247	$6,928
2017	173	409	$11,231
2018	N/R	N/R	N/R
2019	1,096	3,187	$100,760
2020	985	2,442	$80,129
2021	1,064	2,264	$76,065
2022	1,115	2,668	$79,602
2023	1,006	2,337	$66,954
2024	871	1,925	$56,360

Part D Events Trend

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

No connected Part D records

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
G0416	Surgical pathology, gross and microscopic examinations, for prostate needle biopsy, any method	75	75	$132
88307	Pathology examination of tissue using a microscope, moderately high complexity	56	71	$61
88305	Pathology examination of tissue using a microscope, intermediate complexity	462	867	$26
88112	Cell examination of specimen, selective cellular enhancement technique	281	371	$20
88304	Pathology examination of tissue using a microscope, moderately low complexity	69	73	$8

Top 5 Part D drugs in 2024

By total drug costs.

No connected Part D drug-level records for 2024.

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.	2	$26	Tempus AI, 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

Explore More Providers

FAQ

What Medicare data is available for Abby Hornstein, MD?

Tedicare shows public-source Medicare data for Abby Hornstein, MD (NPI 1427048628), 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 Abby Hornstein, 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 Abby Hornstein, MD?

Abby Hornstein, MD is linked to UNIVERSITY PATHOLOGISTS, LLC (billing NPI 1568640886) in the available physician profile data.

Does Abby Hornstein, MD have Open Payments data?

Abby Hornstein, MD has 2 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.