Why this was flagged
Medicare paid this provider far more than its peers
In 2021 Medicare paid this provider $18,534,428, against a typical payment of $962,450 for the same kind of provider that year. High volume can be legitimate, but extreme outliers are where billing fraud shows up.
Source Medicare Home Health Payments by Provider · record as of 11 Aug 2026 · pulled 9 Nov 2026 · version 2026-11-09 · db4c19
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Owner is tied to 114 providers
An owner or managing party of this provider (HORIZON GROUP HOLDINGS INTERMEDIATE 1, INC.) is listed on 114 separate Medicare enrollments. Chains are legal, and most are ordinary business — this is background context, not a fraud indicator on its own.
Source CMS Home Health Agency All Owners · record as of 19 Oct 2026 · pulled 9 Nov 2026 · version 2026-11-09 · 5196f4
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2 providers share this street address
This address is the registered location of 2 separate Medicare-enrolled providers. Legitimate causes exist (shared medical office buildings, management companies), but dense clustering of billing entities at one address is a known fraud pattern.
Source CMS Home Health Agency Enrollments · record as of 19 Oct 2026 · pulled 9 Nov 2026 · version 2026-11-09 · 80bfb7
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Owners and managing parties of record
HORIZON ACQUISITION CO INC.
5% OR GREATER INDIRECT OWNERSHIP INTEREST · O · 100% ownership · since Jun 20, 2019
Source CMS Home Health Agency All Owners · record as of 19 Oct 2026 · pulled 9 Nov 2026 · version 2026-11-09 · 5196f4
HORIZON GROUP HOLDINGS INTERMEDIATE 2, INC.
5% OR GREATER INDIRECT OWNERSHIP INTEREST · O · 100% ownership · since Jun 20, 2019
Source CMS Home Health Agency All Owners · record as of 19 Oct 2026 · pulled 9 Nov 2026 · version 2026-11-09 · 5196f4
HORIZON GROUP HOLDINGS INTERMEDIATE 1, INC.
5% OR GREATER INDIRECT OWNERSHIP INTEREST · O · 100% ownership · since Jun 20, 2019
Source CMS Home Health Agency All Owners · record as of 19 Oct 2026 · pulled 9 Nov 2026 · version 2026-11-09 · 5196f4
HORIZON GROUP HOLDINGS, L.P.
5% OR GREATER INDIRECT OWNERSHIP INTEREST · O · 100% ownership · since Jun 20, 2019
Source CMS Home Health Agency All Owners · record as of 19 Oct 2026 · pulled 9 Nov 2026 · version 2026-11-09 · 5196f4
ACCENTCARE HOME HEALTH, INC.
5% OR GREATER DIRECT OWNERSHIP INTEREST · O · 100% ownership · since Oct 26, 2006
Source CMS Home Health Agency All Owners · record as of 19 Oct 2026 · pulled 9 Nov 2026 · version 2026-11-09 · 5196f4
ACCENTCARE, INC.
5% OR GREATER INDIRECT OWNERSHIP INTEREST · O · 100% ownership · since Oct 26, 2006
Source CMS Home Health Agency All Owners · record as of 19 Oct 2026 · pulled 9 Nov 2026 · version 2026-11-09 · 5196f4
PLUTO ACQUISITION I INC
5% OR GREATER INDIRECT OWNERSHIP INTEREST · O · 100% ownership · since Nov 30, 2011
Source CMS Home Health Agency All Owners · record as of 19 Oct 2026 · pulled 9 Nov 2026 · version 2026-11-09 · 5196f4
SEASONS ROLLOVER HOLDINGS LLC
5% OR GREATER INDIRECT OWNERSHIP INTEREST · O · 15.4% ownership · since Dec 21, 2020
Source CMS Home Health Agency All Owners · record as of 19 Oct 2026 · pulled 9 Nov 2026 · version 2026-11-09 · 5196f4
ADVENT INTERNATIONAL GPE VIII-B, L.P.
5% OR GREATER INDIRECT OWNERSHIP INTEREST · O · 15.1% ownership · since Dec 21, 2020
Source CMS Home Health Agency All Owners · record as of 19 Oct 2026 · pulled 9 Nov 2026 · version 2026-11-09 · 5196f4
ADVENT INTERNATIONAL GPE VIII-A LP
5% OR GREATER INDIRECT OWNERSHIP INTEREST · O · 11.2% ownership · since Dec 21, 2020
Source CMS Home Health Agency All Owners · record as of 19 Oct 2026 · pulled 9 Nov 2026 · version 2026-11-09 · 5196f4
ADVENT INTERNATIONAL GPE VIII-B-3, L.P.
5% OR GREATER INDIRECT OWNERSHIP INTEREST · O · 6.3% ownership · since Dec 21, 2020
Source CMS Home Health Agency All Owners · record as of 19 Oct 2026 · pulled 9 Nov 2026 · version 2026-11-09 · 5196f4
ADVENT INTERNATIONAL GPE VIII-H, L.P.
5% OR GREATER INDIRECT OWNERSHIP INTEREST · O · 5.5% ownership · since Dec 21, 2020
Source CMS Home Health Agency All Owners · record as of 19 Oct 2026 · pulled 9 Nov 2026 · version 2026-11-09 · 5196f4
ADVENT INTERNATIONAL GPE VIII-B-1, L.P.
5% OR GREATER INDIRECT OWNERSHIP INTEREST · O · 5.4% ownership · since Dec 21, 2020
Source CMS Home Health Agency All Owners · record as of 19 Oct 2026 · pulled 9 Nov 2026 · version 2026-11-09 · 5196f4
ADVENT INTERNATIONAL GPE VIII-I, L.P.
5% OR GREATER INDIRECT OWNERSHIP INTEREST · O · 5.1% ownership · since Dec 21, 2020
Source CMS Home Health Agency All Owners · record as of 19 Oct 2026 · pulled 9 Nov 2026 · version 2026-11-09 · 5196f4
ADVENT INTERNATIONAL GPE VIII-J LP
5% OR GREATER INDIRECT OWNERSHIP INTEREST · O · 5% ownership · since Dec 21, 2020
Source CMS Home Health Agency All Owners · record as of 19 Oct 2026 · pulled 9 Nov 2026 · version 2026-11-09 · 5196f4
DENA SCHWARTZ-DOTY
CORPORATE DIRECTOR · I · 0% ownership · since Mar 31, 2015
Source CMS Home Health Agency All Owners · record as of 19 Oct 2026 · pulled 9 Nov 2026 · version 2026-11-09 · 5196f4
LAURA TORTORELLA
CORPORATE OFFICER · I · since Dec 14, 2023
Source CMS Home Health Agency All Owners · record as of 19 Oct 2026 · pulled 9 Nov 2026 · version 2026-11-09 · 5196f4
JOHN GUESS
CORPORATE OFFICER · I · since Dec 14, 2023
Source CMS Home Health Agency All Owners · record as of 19 Oct 2026 · pulled 9 Nov 2026 · version 2026-11-09 · 5196f4
TRACY LEONG
W-2 MANAGING EMPLOYEE · I · since Feb 1, 2025
Source CMS Home Health Agency All Owners · record as of 19 Oct 2026 · pulled 9 Nov 2026 · version 2026-11-09 · 5196f4
Source timeline
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Source records
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| Detail | Value | Published file | Record as of | Pulled | Version |
|---|---|---|---|---|---|
| Legal name | ACCENTCARE HOME HEALTH OF CALIFORNIA INC | CMS Home Health Agency Enrollments | Oct 19, 2026 | Nov 9, 2026 | 2026-11-09 · 80bfb7 |
| NPI | 1972559961 | CMS Home Health Agency Enrollments | Oct 19, 2026 | Nov 9, 2026 | 2026-11-09 · 80bfb7 |
| Medicare certification number | 057517 | CMS Home Health Agency Enrollments | Oct 19, 2026 | Nov 9, 2026 | 2026-11-09 · 80bfb7 |
| CMS associate ID | 8820900798 | CMS Home Health Agency Enrollments | Oct 19, 2026 | Nov 9, 2026 | 2026-11-09 · 80bfb7 |
| Provider type | PART A PROVIDER - HOME HEALTH AGENCY | CMS Home Health Agency Enrollments | Oct 19, 2026 | Nov 9, 2026 | 2026-11-09 · 80bfb7 |
| Organisation type | CORPORATION | CMS Home Health Agency Enrollments | Oct 19, 2026 | Nov 9, 2026 | 2026-11-09 · 80bfb7 |
| Incorporation date | 1993-02-26 | CMS Home Health Agency Enrollments | Oct 19, 2026 | Nov 9, 2026 | 2026-11-09 · 80bfb7 |
| State of incorporation | CA | CMS Home Health Agency Enrollments | Oct 19, 2026 | Nov 9, 2026 | 2026-11-09 · 80bfb7 |
| Street address | 3170 CROW CANYON PL, STE 270 | CMS Home Health Agency Enrollments | Oct 19, 2026 | Nov 9, 2026 | 2026-11-09 · 80bfb7 |
| City | SAN RAMON | CMS Home Health Agency Enrollments | Oct 19, 2026 | Nov 9, 2026 | 2026-11-09 · 80bfb7 |
| State | CA | CMS Home Health Agency Enrollments | Oct 19, 2026 | Nov 9, 2026 | 2026-11-09 · 80bfb7 |
| ZIP | 94583-1157 | CMS Home Health Agency Enrollments | Oct 19, 2026 | Nov 9, 2026 | 2026-11-09 · 80bfb7 |
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