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Moderate
OpenScore 80

FIVE STAR HOME CARE LLC

Doing business as GOLD STAR HOSPICE LLC

830 STEWART DR, STE 151, SUNNYVALE, CA, 940854513

Claims run 10 days. Verified identity required.

Claiming opens the investigation packet: a case briefing, every flag explained, the owners and linked providers, a tracked checklist, pre-filled public record lookups and a downloadable dossier.

Why this was flagged

Moderate
Shared address

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

Moderate
Owner cluster

Owner is tied to 5 providers

An owner or managing party of this provider (SANDRA GAVNEY) 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)

GOLD STAR HOSPICE LLC

STE 185 · Incorporated Oct 11, 2019

View lead

Owners and managing parties of record

GOLD STAR HOSPICE LLC

5% OR GREATER DIRECT OWNERSHIP INTEREST · O · 100% ownership · since Apr 28, 2020

Source CMS Home Health Agency All Owners · record as of 19 Aug 2026 · pulled 18 Sept 2026 · version 2026-09-18 · f10296

SANDRA GAVNEY

5% OR GREATER DIRECT OWNERSHIP INTEREST · I · 100% ownership · since Oct 19, 2024

Source CMS Home Health Agency All Owners · record as of 19 Aug 2026 · pulled 18 Sept 2026 · version 2026-09-18 · f10296

ARVINDH SUNDAR

W-2 MANAGING EMPLOYEE · I · 0% ownership · since May 23, 2025

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.

CMS Home Health Agency All Owners

1 flag
  • 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

  • GOLD STAR HOSPICE LLC5% OR GREATER DIRECT OWNERSHIP INTEREST · 100% share · since 2020-04-28
  • SANDRA GAVNEY5% OR GREATER DIRECT OWNERSHIP INTEREST · 100% share · since 2024-10-19
  • ARVINDH SUNDARW-2 MANAGING EMPLOYEE · 0% share · since 2025-05-23

CMS Home Health Agency Enrollments

1 flag
  • 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

  • FIVE STAR HOME CARE LLCNPI 1790520229 · certification 758179 · 830 STEWART DR, SUNNYVALE, CA
  • GOLD STAR HOSPICE LLCsame street address in the same file

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.

DetailValuePublished fileRecord as ofPulledVersion
Legal nameFIVE STAR HOME CARE LLCCMS Home Health Agency EnrollmentsJul 27, 2026Sep 18, 20262026-09-18 · c6841a
Trading nameGOLD STAR HOSPICE LLCCMS Home Health Agency EnrollmentsJul 27, 2026Sep 18, 20262026-09-18 · c6841a
NPI1790520229CMS Home Health Agency EnrollmentsJul 27, 2026Sep 18, 20262026-09-18 · c6841a
Medicare certification number758179CMS Home Health Agency EnrollmentsJul 27, 2026Sep 18, 20262026-09-18 · c6841a
CMS associate ID8729596747CMS Home Health Agency EnrollmentsJul 27, 2026Sep 18, 20262026-09-18 · c6841a
Provider typePART A PROVIDER - HOME HEALTH AGENCYCMS Home Health Agency EnrollmentsJul 27, 2026Sep 18, 20262026-09-18 · c6841a
Organisation typeLLCCMS Home Health Agency EnrollmentsJul 27, 2026Sep 18, 20262026-09-18 · c6841a
Street address830 STEWART DR, STE 151CMS Home Health Agency EnrollmentsJul 27, 2026Sep 18, 20262026-09-18 · c6841a
CitySUNNYVALECMS Home Health Agency EnrollmentsJul 27, 2026Sep 18, 20262026-09-18 · c6841a
StateCACMS Home Health Agency EnrollmentsJul 27, 2026Sep 18, 20262026-09-18 · c6841a
ZIP940854513CMS Home Health Agency EnrollmentsJul 27, 2026Sep 18, 20262026-09-18 · 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.

Community notes

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