Why this was flagged
7 providers share this street address
This address is the registered location of 7 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 19 Oct 2026 · pulled 9 Nov 2026 · version 2026-11-09 · cca83d
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Many providers in separate suites of one building
This building hosts providers registered across 7 different suite or unit numbers, a pattern seen when shell agencies are set up side by side.
Source CMS Hospice Enrollments · record as of 19 Oct 2026 · pulled 9 Nov 2026 · version 2026-11-09 · cca83d
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Owner is tied to 7 providers
An owner or managing party of this provider (HUNG MANH NGUYEN) is listed on 7 separate Medicare enrollments. Chains are legal, and most are ordinary business — this is background context, not a fraud indicator on its own.
Source CMS Hospice All Owners · record as of 19 Oct 2026 · pulled 9 Nov 2026 · version 2026-11-09 · fc59f2
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Owners and managing parties of record
MARILYN T MANGABAT
5% OR GREATER DIRECT OWNERSHIP INTEREST · I · 100% ownership · since Dec 19, 2022
Source CMS Hospice All Owners · record as of 19 Oct 2026 · pulled 9 Nov 2026 · version 2026-11-09 · fc59f2
MARILYN T MANGABAT
CORPORATE OFFICER · I · 100% ownership · since Dec 19, 2022
Source CMS Hospice All Owners · record as of 19 Oct 2026 · pulled 9 Nov 2026 · version 2026-11-09 · fc59f2
MARILYN T MANGABAT
CORPORATE DIRECTOR · I · 100% ownership · since Dec 19, 2022
Source CMS Hospice All Owners · record as of 19 Oct 2026 · pulled 9 Nov 2026 · version 2026-11-09 · fc59f2
MARILYN T MANGABAT
W-2 MANAGING EMPLOYEE · I · 100% ownership · since Dec 19, 2022
Source CMS Hospice All Owners · record as of 19 Oct 2026 · pulled 9 Nov 2026 · version 2026-11-09 · fc59f2
HUNG MANH NGUYEN
CONTRACTED MANAGING EMPLOYEE · I · since Feb 1, 2023
Source CMS Hospice All Owners · record as of 19 Oct 2026 · pulled 9 Nov 2026 · version 2026-11-09 · fc59f2
Source timeline
Corrections and disputes
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Source records
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| Detail | Value | Published file | Record as of | Pulled | Version |
|---|---|---|---|---|---|
| Legal name | CROWN HOSPICE INC | CMS Hospice Enrollments | Oct 19, 2026 | Nov 9, 2026 | 2026-11-09 · cca83d |
| NPI | 1871179937 | CMS Hospice Enrollments | Oct 19, 2026 | Nov 9, 2026 | 2026-11-09 · cca83d |
| Medicare certification number | B41662 | CMS Hospice Enrollments | Oct 19, 2026 | Nov 9, 2026 | 2026-11-09 · cca83d |
| CMS associate ID | 5799180329 | CMS Hospice Enrollments | Oct 19, 2026 | Nov 9, 2026 | 2026-11-09 · cca83d |
| Provider type | PART A PROVIDER - HOSPICE | CMS Hospice Enrollments | Oct 19, 2026 | Nov 9, 2026 | 2026-11-09 · cca83d |
| Organisation type | CORPORATION | CMS Hospice Enrollments | Oct 19, 2026 | Nov 9, 2026 | 2026-11-09 · cca83d |
| Street address | 3111 LOS FELIZ BLVD, STE 218 | CMS Hospice Enrollments | Oct 19, 2026 | Nov 9, 2026 | 2026-11-09 · cca83d |
| City | LOS ANGELES | CMS Hospice Enrollments | Oct 19, 2026 | Nov 9, 2026 | 2026-11-09 · cca83d |
| State | CA | CMS Hospice Enrollments | Oct 19, 2026 | Nov 9, 2026 | 2026-11-09 · cca83d |
| ZIP | 90039-1585 | CMS Hospice Enrollments | Oct 19, 2026 | Nov 9, 2026 | 2026-11-09 · cca83d |
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