← Lead board
Critical
OpenScore 290

BLACK MOUNTAIN HEALTHCARE LLC

Doing business as SEAPORT HOSPICE

3750 CONVOY ST, STE 220B, SAN DIEGO, CA, 921113741

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

Critical
Owner cluster

Owner is tied to 149 providers

An owner or managing party of this provider (THE PENNANT GROUP INC) is listed on 149 separate Medicare enrollments. Chains are legal, but rapid multi-entity accumulation is a common structure in healthcare fraud cases.

Source CMS Hospice All Owners · record as of 19 Aug 2026 · pulled 18 Sept 2026 · version 2026-09-18 · ed1513

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 Hospice Enrollments · record as of 27 Jul 2026 · pulled 18 Sept 2026 · version 2026-09-18 · 641824

Other providers at this street address (1)

RANCHO BERNARDO HEALTHCARE LLC

STE 220 · Incorporated Nov 19, 2019

View lead

Owners and managing parties of record

CORNERSTONE HEALTHCARE INC

5% OR GREATER INDIRECT OWNERSHIP INTEREST · O · 80% ownership · since Oct 1, 2020

Source CMS Hospice All Owners · record as of 19 Aug 2026 · pulled 18 Sept 2026 · version 2026-09-18 · ed1513

THE PENNANT GROUP INC

5% OR GREATER INDIRECT OWNERSHIP INTEREST · O · 80% ownership · since Oct 1, 2020

Source CMS Hospice All Owners · record as of 19 Aug 2026 · pulled 18 Sept 2026 · version 2026-09-18 · ed1513

TRIUMPH HEALTHCARE LLC

5% OR GREATER DIRECT OWNERSHIP INTEREST · O · 80% ownership · since Oct 1, 2020

Source CMS Hospice All Owners · record as of 19 Aug 2026 · pulled 18 Sept 2026 · version 2026-09-18 · ed1513

IHS HOLDING COMPANY LLC

5% OR GREATER INDIRECT OWNERSHIP INTEREST · O · 20% ownership · since Oct 1, 2020

Source CMS Hospice All Owners · record as of 19 Aug 2026 · pulled 18 Sept 2026 · version 2026-09-18 · ed1513

SCRIPPS HEALTH

5% OR GREATER INDIRECT OWNERSHIP INTEREST · O · 20% ownership · since Oct 1, 2020

Source CMS Hospice All Owners · record as of 19 Aug 2026 · pulled 18 Sept 2026 · version 2026-09-18 · ed1513

SCRIPPS HOME HEALTH AND HOSPICE VENTURE LLC

5% OR GREATER DIRECT OWNERSHIP INTEREST · O · 20% ownership · since Oct 1, 2020

Source CMS Hospice All Owners · record as of 19 Aug 2026 · pulled 18 Sept 2026 · version 2026-09-18 · ed1513

JOHN J GOCHNOUR

CORPORATE DIRECTOR · I · 0% ownership · since Oct 1, 2020

Source CMS Hospice All Owners · record as of 19 Aug 2026 · pulled 18 Sept 2026 · version 2026-09-18 · ed1513

ELLIOT MCMILLAN

CORPORATE OFFICER · I · 0% ownership · since Oct 1, 2020

Source CMS Hospice All Owners · record as of 19 Aug 2026 · pulled 18 Sept 2026 · version 2026-09-18 · ed1513

BRENT GUERISOLI

CORPORATE DIRECTOR · I · 0% ownership · since Oct 1, 2020

Source CMS Hospice All Owners · record as of 19 Aug 2026 · pulled 18 Sept 2026 · version 2026-09-18 · ed1513

WILLIAM BRADLEY

CORPORATE DIRECTOR · I · 0% ownership · since Oct 1, 2020

Source CMS Hospice All Owners · record as of 19 Aug 2026 · pulled 18 Sept 2026 · version 2026-09-18 · ed1513

KAREN JENSEN

CORPORATE DIRECTOR · I · 0% ownership · since Oct 1, 2020

Source CMS Hospice All Owners · record as of 19 Aug 2026 · pulled 18 Sept 2026 · version 2026-09-18 · ed1513

BRENT GUERISOLI

CORPORATE OFFICER · I · 0% ownership · since Oct 1, 2020

Source CMS Hospice All Owners · record as of 19 Aug 2026 · pulled 18 Sept 2026 · version 2026-09-18 · ed1513

CHARLES MARINKO

W-2 MANAGING EMPLOYEE · I · 0% ownership · since Oct 1, 2020

Source CMS Hospice All Owners · record as of 19 Aug 2026 · pulled 18 Sept 2026 · version 2026-09-18 · ed1513

LEE JOHNSON

CORPORATE OFFICER · I · 0% ownership · since Oct 1, 2020

Source CMS Hospice All Owners · record as of 19 Aug 2026 · pulled 18 Sept 2026 · version 2026-09-18 · ed1513

ROBERT W DEMONTE

CONTRACTED MANAGING EMPLOYEE · I · since May 1, 2020

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.

  • Owner is tied to 149 providers

Weekly refreshes

  • 18 Sept 2026 (in use)70,444 recordspublisher data as of 19 Aug 2026

Records read from this file

  • 2 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

  • BLACK MOUNTAIN HEALTHCARE LLCNPI 1336764521 · certification 551745 · 3750 CONVOY ST, SAN DIEGO, CA
  • RANCHO BERNARDO HEALTHCARE LLCsame street address in the same file

cms_hospice_payments

background detail only

No completed weekly pull is recorded for this file yet.

Records read from this 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 nameBLACK MOUNTAIN HEALTHCARE LLCCMS Hospice EnrollmentsJul 27, 2026Sep 18, 20262026-09-18 · 641824
Trading nameSEAPORT HOSPICECMS Hospice EnrollmentsJul 27, 2026Sep 18, 20262026-09-18 · 641824
NPI1336764521CMS Hospice EnrollmentsJul 27, 2026Sep 18, 20262026-09-18 · 641824
Medicare certification number551745CMS Hospice EnrollmentsJul 27, 2026Sep 18, 20262026-09-18 · 641824
CMS associate ID3678991973CMS Hospice EnrollmentsJul 27, 2026Sep 18, 20262026-09-18 · 641824
Provider typePART A PROVIDER - HOSPICECMS Hospice EnrollmentsJul 27, 2026Sep 18, 20262026-09-18 · 641824
Organisation typeLLCCMS Hospice EnrollmentsJul 27, 2026Sep 18, 20262026-09-18 · 641824
Incorporation date2020-04-01CMS Hospice EnrollmentsJul 27, 2026Sep 18, 20262026-09-18 · 641824
State of incorporationDECMS Hospice EnrollmentsJul 27, 2026Sep 18, 20262026-09-18 · 641824
Street address3750 CONVOY ST, STE 220BCMS Hospice EnrollmentsJul 27, 2026Sep 18, 20262026-09-18 · 641824
CitySAN DIEGOCMS Hospice EnrollmentsJul 27, 2026Sep 18, 20262026-09-18 · 641824
StateCACMS Hospice EnrollmentsJul 27, 2026Sep 18, 20262026-09-18 · 641824
ZIP921113741CMS Hospice EnrollmentsJul 27, 2026Sep 18, 20262026-09-18 · 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.

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