Why this was flagged
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 27 Jul 2026 · pulled 18 Sept 2026 · version 2026-09-18 · c6841a
Owner is tied to 5 providers
An owner or managing party of this provider (JOHN K LIU) 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
Other providers at this street address (1)
GLOBAL HOME HOSPICE SERVICE INCORPORATED
STE A · Incorporated Jan 27, 2014
Owners and managing parties of record
DARLA DRENDEL
5% OR GREATER DIRECT OWNERSHIP INTEREST · I · 100% ownership · since Dec 13, 2018
Source CMS Home Health Agency All Owners · record as of 19 Aug 2026 · pulled 18 Sept 2026 · version 2026-09-18 · f10296
JOHN K LIU
CONTRACTED MANAGING EMPLOYEE · I · 0% ownership · since Dec 19, 2019
Source CMS Home Health Agency All Owners · record as of 19 Aug 2026 · pulled 18 Sept 2026 · version 2026-09-18 · f10296
MARISOL SANDOVAL
W-2 MANAGING EMPLOYEE · I · 0% ownership · since Feb 1, 2024
Source CMS Home Health Agency All Owners · record as of 19 Aug 2026 · pulled 18 Sept 2026 · version 2026-09-18 · f10296
DARLA DRENDEL
OPERATIONAL/MANAGERIAL CONTROL · I · since Dec 13, 2018
Source CMS Home Health Agency All Owners · record as of 19 Aug 2026 · pulled 18 Sept 2026 · version 2026-09-18 · f10296
DARLA DRENDEL
CORPORATE DIRECTOR · I · since Dec 13, 2018
Source CMS Home Health Agency All Owners · record as of 19 Aug 2026 · pulled 18 Sept 2026 · version 2026-09-18 · f10296
DARLA DRENDEL
CORPORATE OFFICER · I · since Dec 13, 2018
Source CMS Home Health Agency All Owners · record as of 19 Aug 2026 · pulled 18 Sept 2026 · version 2026-09-18 · f10296
DARLA DRENDEL
W-2 MANAGING EMPLOYEE · I · since Dec 13, 2018
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
- DARLA DRENDEL5% OR GREATER DIRECT OWNERSHIP INTEREST · 100% share · since 2018-12-13
- JOHN K LIUCONTRACTED MANAGING EMPLOYEE · 0% share · since 2019-12-19
- MARISOL SANDOVALW-2 MANAGING EMPLOYEE · 0% share · since 2024-02-01
- DARLA DRENDELOPERATIONAL/MANAGERIAL CONTROL · since 2018-12-13
- DARLA DRENDELCORPORATE DIRECTOR · since 2018-12-13
- DARLA DRENDELCORPORATE OFFICER · since 2018-12-13
- DARLA DRENDELW-2 MANAGING EMPLOYEE · since 2018-12-13
- 2 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
- GLOBAL HOME HEALTHCARE SERVICE INC.NPI 1437378114 · certification 557571 · 221 N SAN DIMAS AVE, SAN DIMAS, CA
- GLOBAL HOME HOSPICE SERVICE INCORPORATEDsame street address in the same file
cms_home_health_payments
No completed weekly pull is recorded for this file yet.
Records read from this file
- Global Home Healthcare Service, Incorporated — 2024$294,932 paid · 30 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 | GLOBAL HOME HEALTHCARE SERVICE INC. | CMS Home Health Agency Enrollments | Jul 27, 2026 | Sep 18, 2026 | 2026-09-18 · c6841a |
| NPI | 1437378114 | CMS Home Health Agency Enrollments | Jul 27, 2026 | Sep 18, 2026 | 2026-09-18 · c6841a |
| Medicare certification number | 557571 | CMS Home Health Agency Enrollments | Jul 27, 2026 | Sep 18, 2026 | 2026-09-18 · c6841a |
| CMS associate ID | 8820360761 | 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 | 2019-02-11 | 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 | 221 N SAN DIMAS AVE, STE B | CMS Home Health Agency Enrollments | Jul 27, 2026 | Sep 18, 2026 | 2026-09-18 · c6841a |
| City | SAN DIMAS | 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 | 917732664 | 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.