Why this was flagged
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 Hospice Enrollments · record as of 27 Jul 2026 · pulled 18 Sept 2026 · version 2026-09-18 · 641824
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 Hospice Enrollments · record as of 27 Jul 2026 · pulled 18 Sept 2026 · version 2026-09-18 · 641824
Other providers at this street address (2)
Owners and managing parties of record
DIANA KOSTIKIAN
5% OR GREATER DIRECT OWNERSHIP INTEREST · I · 100% ownership · since Sep 23, 2019
Source CMS Hospice All Owners · record as of 19 Aug 2026 · pulled 18 Sept 2026 · version 2026-09-18 · ed1513
DIANA KOSTIKIAN
5% OR GREATER SECURITY INTEREST · I · 100% ownership · since Sep 23, 2019
Source CMS Hospice All Owners · record as of 19 Aug 2026 · pulled 18 Sept 2026 · version 2026-09-18 · ed1513
DIANA KOSTIKIAN
CORPORATE OFFICER · I · 100% ownership · since Sep 23, 2019
Source CMS Hospice All Owners · record as of 19 Aug 2026 · pulled 18 Sept 2026 · version 2026-09-18 · ed1513
DIANA KOSTIKIAN
CORPORATE DIRECTOR · I · 100% ownership · since Sep 23, 2019
Source CMS Hospice All Owners · record as of 19 Aug 2026 · pulled 18 Sept 2026 · version 2026-09-18 · ed1513
DIANA KOSTIKIAN
W-2 MANAGING EMPLOYEE · I · 100% ownership · since Sep 23, 2019
Source CMS Hospice All Owners · record as of 19 Aug 2026 · pulled 18 Sept 2026 · version 2026-09-18 · ed1513
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 Hospice Enrollments
- Many providers in separate suites of one building
- 3 providers share this street address
Weekly refreshes
- 18 Sept 2026 (in use)5,802 records5,000 added · 1 changed · 0 removedpublisher data as of 27 Jul 2026
Records read from this file
- SHELDON HOSPICENPI 1184261240 · certification B51737 · 19531 VENTURA BLVD, TARZANA, CA
- MARSHAM MEDICALsame street address in the same file
- VAGA MEDICALsame street address in the same file
CMS Hospice All Owners
Weekly refreshes
- 18 Sept 2026 (in use)70,444 recordspublisher data as of 19 Aug 2026
Records read from this file
- DIANA KOSTIKIAN5% OR GREATER DIRECT OWNERSHIP INTEREST · 100% share · since 2019-09-23
- DIANA KOSTIKIAN5% OR GREATER SECURITY INTEREST · 100% share · since 2019-09-23
- DIANA KOSTIKIANCORPORATE OFFICER · 100% share · since 2019-09-23
- DIANA KOSTIKIANCORPORATE DIRECTOR · 100% share · since 2019-09-23
- DIANA KOSTIKIANW-2 MANAGING EMPLOYEE · 100% share · since 2019-09-23
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 | SHELDON HOSPICE | CMS Hospice Enrollments | Jul 27, 2026 | Sep 18, 2026 | 2026-09-18 · 641824 |
| NPI | 1184261240 | CMS Hospice Enrollments | Jul 27, 2026 | Sep 18, 2026 | 2026-09-18 · 641824 |
| Medicare certification number | B51737 | CMS Hospice Enrollments | Jul 27, 2026 | Sep 18, 2026 | 2026-09-18 · 641824 |
| CMS associate ID | 6507290681 | CMS Hospice Enrollments | Jul 27, 2026 | Sep 18, 2026 | 2026-09-18 · 641824 |
| Provider type | PART A PROVIDER - HOSPICE | CMS Hospice Enrollments | Jul 27, 2026 | Sep 18, 2026 | 2026-09-18 · 641824 |
| Organisation type | CORPORATION | CMS Hospice Enrollments | Jul 27, 2026 | Sep 18, 2026 | 2026-09-18 · 641824 |
| Incorporation date | 2019-09-23 | CMS Hospice Enrollments | Jul 27, 2026 | Sep 18, 2026 | 2026-09-18 · 641824 |
| State of incorporation | CA | CMS Hospice Enrollments | Jul 27, 2026 | Sep 18, 2026 | 2026-09-18 · 641824 |
| Street address | 19531 VENTURA BLVD, # 10 | CMS Hospice Enrollments | Jul 27, 2026 | Sep 18, 2026 | 2026-09-18 · 641824 |
| City | TARZANA | CMS Hospice Enrollments | Jul 27, 2026 | Sep 18, 2026 | 2026-09-18 · 641824 |
| State | CA | CMS Hospice Enrollments | Jul 27, 2026 | Sep 18, 2026 | 2026-09-18 · 641824 |
| ZIP | 913562957 | CMS Hospice Enrollments | Jul 27, 2026 | Sep 18, 2026 | 2026-09-18 · 641824 |
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.