Why this was flagged
Owner is tied to 115 providers
An owner or managing party of this provider (ADVENT INTERNATIONAL GPE VIII-B, L.P.) is listed on 115 separate Medicare enrollments. Chains are legal, but rapid multi-entity accumulation is a common structure in healthcare fraud cases.
Source CMS Home Health Agency All Owners · record as of 19 Aug 2026 · pulled 18 Sept 2026 · version 2026-09-18 · f10296
Many providers in separate suites of one building
This building hosts providers registered across 3 different suite or unit numbers, a pattern seen when shell agencies are set up side by side.
Source CMS Home Health Agency Enrollments · record as of 27 Jul 2026 · pulled 18 Sept 2026 · version 2026-09-18 · c6841a
3 providers share this street address
This address is the registered location of 3 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 27 Jul 2026 · pulled 18 Sept 2026 · version 2026-09-18 · c6841a
Other providers at this street address (2)
Owners and managing parties of record
PLUTO ACQUISITION I INC
5% OR GREATER INDIRECT OWNERSHIP INTEREST · O · 100% ownership · since Nov 15, 2010
Source CMS Home Health Agency All Owners · record as of 19 Aug 2026 · pulled 18 Sept 2026 · version 2026-09-18 · f10296
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 Aug 2026 · pulled 18 Sept 2026 · version 2026-09-18 · f10296
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 Aug 2026 · pulled 18 Sept 2026 · version 2026-09-18 · f10296
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 Aug 2026 · pulled 18 Sept 2026 · version 2026-09-18 · f10296
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 Aug 2026 · pulled 18 Sept 2026 · version 2026-09-18 · f10296
ACCENTCARE HOME HEALTH, INC.
5% OR GREATER DIRECT OWNERSHIP INTEREST · O · 100% ownership · since May 1, 2006
Source CMS Home Health Agency All Owners · record as of 19 Aug 2026 · pulled 18 Sept 2026 · version 2026-09-18 · f10296
ACCENTCARE, INC.
5% OR GREATER INDIRECT OWNERSHIP INTEREST · O · 100% ownership · since Nov 15, 2010
Source CMS Home Health Agency All Owners · record as of 19 Aug 2026 · pulled 18 Sept 2026 · version 2026-09-18 · f10296
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 Aug 2026 · pulled 18 Sept 2026 · version 2026-09-18 · f10296
ADVENT INTERNATIONAL GPE VIII-B, L.P.
5% OR GREATER INDIRECT OWNERSHIP INTEREST · O · 15.1% ownership · since Jun 20, 2019
Source CMS Home Health Agency All Owners · record as of 19 Aug 2026 · pulled 18 Sept 2026 · version 2026-09-18 · f10296
ADVENT INTERNATIONAL GPE VIII-A LP
5% OR GREATER INDIRECT OWNERSHIP INTEREST · O · 11.2% ownership · since Jun 20, 2019
Source CMS Home Health Agency All Owners · record as of 19 Aug 2026 · pulled 18 Sept 2026 · version 2026-09-18 · f10296
ADVENT INTERNATIONAL GPE VIII-B-3, L.P.
5% OR GREATER INDIRECT OWNERSHIP INTEREST · O · 6.3% ownership · since Jun 20, 2019
Source CMS Home Health Agency All Owners · record as of 19 Aug 2026 · pulled 18 Sept 2026 · version 2026-09-18 · f10296
ADVENT INTERNATIONAL GPE VIII-H, L.P.
5% OR GREATER INDIRECT OWNERSHIP INTEREST · O · 5.5% ownership · since Jun 20, 2019
Source CMS Home Health Agency All Owners · record as of 19 Aug 2026 · pulled 18 Sept 2026 · version 2026-09-18 · f10296
ADVENT INTERNATIONAL GPE VIII-B-1, L.P.
5% OR GREATER INDIRECT OWNERSHIP INTEREST · O · 5.4% ownership · since Jun 20, 2019
Source CMS Home Health Agency All Owners · record as of 19 Aug 2026 · pulled 18 Sept 2026 · version 2026-09-18 · f10296
ADVENT INTERNATIONAL GPE VIII-I, L.P.
5% OR GREATER INDIRECT OWNERSHIP INTEREST · O · 5.1% ownership · since Jun 20, 2019
Source CMS Home Health Agency All Owners · record as of 19 Aug 2026 · pulled 18 Sept 2026 · version 2026-09-18 · f10296
ADVENT INTERNATIONAL GPE VIII-J LP
5% OR GREATER INDIRECT OWNERSHIP INTEREST · O · 5% ownership · since Jun 20, 2019
Source CMS Home Health Agency All Owners · record as of 19 Aug 2026 · pulled 18 Sept 2026 · version 2026-09-18 · f10296
DENA SCHWARTZ-DOTY
CORPORATE OFFICER · I · 0% ownership · since Apr 1, 2015
Source CMS Home Health Agency All Owners · record as of 19 Aug 2026 · pulled 18 Sept 2026 · version 2026-09-18 · f10296
DANIELLE GREGORY
W-2 MANAGING EMPLOYEE · I · since Sep 13, 2022
Source CMS Home Health Agency All Owners · record as of 19 Aug 2026 · pulled 18 Sept 2026 · version 2026-09-18 · f10296
JOHN GUESS
CORPORATE OFFICER · I · since Dec 14, 2023
Source CMS Home Health Agency All Owners · record as of 19 Aug 2026 · pulled 18 Sept 2026 · version 2026-09-18 · f10296
LAURA TORTORELLA
CORPORATE OFFICER · I · since Dec 14, 2023
Source CMS Home Health Agency All Owners · record as of 19 Aug 2026 · pulled 18 Sept 2026 · version 2026-09-18 · f10296
Source timeline
Every flag on this provider is built from one or more published government files. Below is each file that contributed, the weekly pulls we have of it, and the actual records read from it.
- Many providers in separate suites of one building
- 3 providers share this street address
Weekly refreshes
- 18 Sept 2026 (in use)11,494 records11,494 added · 0 changed · 0 removedpublisher data as of 27 Jul 2026
- 18 Sept 20261,000 records1,000 added · 0 changed · 0 removedpublisher data as of 27 Jul 2026(running)
Records read from this file
- ACCENTCARE HOME HEALTH OF CALIFORNIA INCNPI 1376729483 · certification 559018 · 2934 E GARVEY AVE S, WEST COVINA, CA
- AMERICAN EMPIRE HOME HEALTH CARE SERVICES, INCsame street address in the same file
- ACCORD HOSPICE AND PALLIATIVE CARE, INC.same street address in the same file
- Owner is tied to 115 providers
Weekly refreshes
- 18 Sept 2026 (in use)101,188 recordspublisher data as of 19 Aug 2026
Records read from this file
- PLUTO ACQUISITION I INC5% OR GREATER INDIRECT OWNERSHIP INTEREST · 100% share · since 2010-11-15
- HORIZON ACQUISITION CO INC.5% OR GREATER INDIRECT OWNERSHIP INTEREST · 100% share · since 2019-06-20
- HORIZON GROUP HOLDINGS INTERMEDIATE 2, INC.5% OR GREATER INDIRECT OWNERSHIP INTEREST · 100% share · since 2019-06-20
- HORIZON GROUP HOLDINGS INTERMEDIATE 1, INC.5% OR GREATER INDIRECT OWNERSHIP INTEREST · 100% share · since 2019-06-20
- HORIZON GROUP HOLDINGS, L.P.5% OR GREATER INDIRECT OWNERSHIP INTEREST · 100% share · since 2019-06-20
- ACCENTCARE HOME HEALTH, INC.5% OR GREATER DIRECT OWNERSHIP INTEREST · 100% share · since 2006-05-01
- ACCENTCARE, INC.5% OR GREATER INDIRECT OWNERSHIP INTEREST · 100% share · since 2010-11-15
- SEASONS ROLLOVER HOLDINGS LLC5% OR GREATER INDIRECT OWNERSHIP INTEREST · 15.4% share · since 2020-12-21
Where every detail came from
Each value below is traced to the published file it was read from, the day we downloaded it, and the weekly version it belongs to. Open the link to check the original record yourself.
| Detail | Value | Published file | Record as of | Pulled | Version |
|---|---|---|---|---|---|
| Legal name | ACCENTCARE HOME HEALTH OF CALIFORNIA INC | CMS Home Health Agency Enrollments | Jul 27, 2026 | Sep 18, 2026 | 2026-09-18 · c6841a |
| NPI | 1376729483 | CMS Home Health Agency Enrollments | Jul 27, 2026 | Sep 18, 2026 | 2026-09-18 · c6841a |
| Medicare certification number | 559018 | CMS Home Health Agency Enrollments | Jul 27, 2026 | Sep 18, 2026 | 2026-09-18 · c6841a |
| CMS associate ID | 8820900798 | CMS Home Health Agency Enrollments | Jul 27, 2026 | Sep 18, 2026 | 2026-09-18 · c6841a |
| Provider type | PART A PROVIDER - HOME HEALTH AGENCY | CMS Home Health Agency Enrollments | Jul 27, 2026 | Sep 18, 2026 | 2026-09-18 · c6841a |
| Organisation type | CORPORATION | CMS Home Health Agency Enrollments | Jul 27, 2026 | Sep 18, 2026 | 2026-09-18 · c6841a |
| Incorporation date | 1993-02-26 | CMS Home Health Agency Enrollments | Jul 27, 2026 | Sep 18, 2026 | 2026-09-18 · c6841a |
| State of incorporation | CA | CMS Home Health Agency Enrollments | Jul 27, 2026 | Sep 18, 2026 | 2026-09-18 · c6841a |
| Street address | 2934 E GARVEY AVE S, STE 210 | CMS Home Health Agency Enrollments | Jul 27, 2026 | Sep 18, 2026 | 2026-09-18 · c6841a |
| City | WEST COVINA | CMS Home Health Agency Enrollments | Jul 27, 2026 | Sep 18, 2026 | 2026-09-18 · c6841a |
| State | CA | CMS Home Health Agency Enrollments | Jul 27, 2026 | Sep 18, 2026 | 2026-09-18 · c6841a |
| ZIP | 917912178 | CMS Home Health Agency Enrollments | Jul 27, 2026 | Sep 18, 2026 | 2026-09-18 · c6841a |
What changed
How this provider's public record has moved between weekly refreshes. See the whole week.
Nothing has changed for this provider since we started comparing weekly refreshes.
Public research history
Nobody has worked this lead yet. Notes published by investigators stay here even after a claim expires.
Readers judge whether this flag holds up. A note only reaches the top when people who usually disagree both rate it helpful.
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