Why this was flagged
Owner is tied to 5 providers
An owner or managing party of this provider (OSCAR L CHIEN) is listed on 5 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
Owners and managing parties of record
GUI-QIN ZONG
5% OR GREATER DIRECT OWNERSHIP INTEREST · I · 34% ownership · since Nov 7, 2007
Source CMS Home Health Agency All Owners · record as of 19 Aug 2026 · pulled 18 Sept 2026 · version 2026-09-18 · f10296
BINGBING XU
5% OR GREATER DIRECT OWNERSHIP INTEREST · I · 33% ownership · since Nov 7, 2007
Source CMS Home Health Agency All Owners · record as of 19 Aug 2026 · pulled 18 Sept 2026 · version 2026-09-18 · f10296
ROSE M SUN
5% OR GREATER DIRECT OWNERSHIP INTEREST · I · 33% ownership · since Nov 7, 2007
Source CMS Home Health Agency All Owners · record as of 19 Aug 2026 · pulled 18 Sept 2026 · version 2026-09-18 · f10296
ROSE M SUN
W-2 MANAGING EMPLOYEE · I · since Nov 7, 2007
Source CMS Home Health Agency All Owners · record as of 19 Aug 2026 · pulled 18 Sept 2026 · version 2026-09-18 · f10296
GUI-QIN ZONG
CORPORATE OFFICER · I · since Nov 7, 2007
Source CMS Home Health Agency All Owners · record as of 19 Aug 2026 · pulled 18 Sept 2026 · version 2026-09-18 · f10296
GUI-QIN ZONG
W-2 MANAGING EMPLOYEE · I · since Nov 7, 2007
Source CMS Home Health Agency All Owners · record as of 19 Aug 2026 · pulled 18 Sept 2026 · version 2026-09-18 · f10296
BINGBING XU
CORPORATE OFFICER · I · since Nov 7, 2007
Source CMS Home Health Agency All Owners · record as of 19 Aug 2026 · pulled 18 Sept 2026 · version 2026-09-18 · f10296
KESHENG WU
CORPORATE DIRECTOR · I · since Jul 1, 2020
Source CMS Home Health Agency All Owners · record as of 19 Aug 2026 · pulled 18 Sept 2026 · version 2026-09-18 · f10296
BINGBING XU
W-2 MANAGING EMPLOYEE · I · since Nov 7, 2007
Source CMS Home Health Agency All Owners · record as of 19 Aug 2026 · pulled 18 Sept 2026 · version 2026-09-18 · f10296
OSCAR L CHIEN
CORPORATE DIRECTOR · I · since Jan 1, 2012
Source CMS Home Health Agency All Owners · record as of 19 Aug 2026 · pulled 18 Sept 2026 · version 2026-09-18 · f10296
ROSE M SUN
CORPORATE OFFICER · I · since Nov 7, 2007
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.
- Owner is tied to 5 providers
Weekly refreshes
- 18 Sept 2026 (in use)101,188 recordspublisher data as of 19 Aug 2026
Records read from this file
- GUI-QIN ZONG5% OR GREATER DIRECT OWNERSHIP INTEREST · 34% share · since 2007-11-07
- BINGBING XU5% OR GREATER DIRECT OWNERSHIP INTEREST · 33% share · since 2007-11-07
- ROSE M SUN5% OR GREATER DIRECT OWNERSHIP INTEREST · 33% share · since 2007-11-07
- ROSE M SUNW-2 MANAGING EMPLOYEE · since 2007-11-07
- GUI-QIN ZONGCORPORATE OFFICER · since 2007-11-07
- GUI-QIN ZONGW-2 MANAGING EMPLOYEE · since 2007-11-07
- BINGBING XUCORPORATE OFFICER · since 2007-11-07
- KESHENG WUCORPORATE DIRECTOR · since 2020-07-01
CMS Home Health Agency Enrollments
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
- HAPPY HHA INCNPI 1184804825 · certification 059173 · 650 W DUARTE RD, ARCADIA, CA
cms_home_health_payments
No completed weekly pull is recorded for this file yet.
Records read from this file
- Happy Home Health Services — 2024$6,187,961 paid · 855 patients
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 | HAPPY HHA INC | CMS Home Health Agency Enrollments | Jul 27, 2026 | Sep 18, 2026 | 2026-09-18 · c6841a |
| Trading name | HAPPY HOME HEALTH SERVICES | CMS Home Health Agency Enrollments | Jul 27, 2026 | Sep 18, 2026 | 2026-09-18 · c6841a |
| NPI | 1184804825 | CMS Home Health Agency Enrollments | Jul 27, 2026 | Sep 18, 2026 | 2026-09-18 · c6841a |
| Medicare certification number | 059173 | CMS Home Health Agency Enrollments | Jul 27, 2026 | Sep 18, 2026 | 2026-09-18 · c6841a |
| CMS associate ID | 1456449909 | 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 | 2007-09-11 | 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 | 650 W DUARTE RD, STE 402 | CMS Home Health Agency Enrollments | Jul 27, 2026 | Sep 18, 2026 | 2026-09-18 · c6841a |
| City | ARCADIA | 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 | 910077658 | 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.
No notes yet. If you have checked this provider, say what you found.