← Lead board
Elevated
OpenScore 90

BEAR MT MATTAPAN LLC

Doing business as MATTAPAN HEALTH AND REHABILITATION CENTER

405 RIVER ST, MATTAPAN, MA, 021262210

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

Elevated
extreme_per_patient_billing

Medicare paid far more per patient than peers

In 2024 this provider was paid $28,828 per patient, against a typical $16,604 for the same kind of provider in MA. A genuinely high-need patient mix can explain some of this, but extreme per-patient billing is a classic upcoding and phantom-patient pattern.

Source CMS Skilled Nursing Facility Enrollments · record as of 17 Aug 2026 · pulled 18 Sept 2026 · version 2026-09-18 · 02c2f9

Owners and managing parties of record

BEAR MOUNTAIN HEALTHCARE LLC

5% OR GREATER DIRECT OWNERSHIP INTEREST · O · 100% ownership · since Dec 1, 2018

Source CMS Skilled Nursing Facility All Owners · record as of 17 Aug 2026 · pulled 18 Sept 2026 · version 2026-09-18 · b84729

JOHN B WYNNE

5% OR GREATER INDIRECT OWNERSHIP INTEREST · I · 33.33% ownership · since Dec 1, 2018

Source CMS Skilled Nursing Facility All Owners · record as of 17 Aug 2026 · pulled 18 Sept 2026 · version 2026-09-18 · b84729

SCOTT L ZISKIN

5% OR GREATER INDIRECT OWNERSHIP INTEREST · I · 33.33% ownership · since Dec 1, 2018

Source CMS Skilled Nursing Facility All Owners · record as of 17 Aug 2026 · pulled 18 Sept 2026 · version 2026-09-18 · b84729

THOMAS H DOYLE

5% OR GREATER INDIRECT OWNERSHIP INTEREST · I · 33.33% ownership · since Dec 1, 2018

Source CMS Skilled Nursing Facility All Owners · record as of 17 Aug 2026 · pulled 18 Sept 2026 · version 2026-09-18 · b84729

SCOTT L ZISKIN

CORPORATE OFFICER · I · since Dec 1, 2018

Source CMS Skilled Nursing Facility All Owners · record as of 17 Aug 2026 · pulled 18 Sept 2026 · version 2026-09-18 · b84729

THOMAS H DOYLE

W-2 MANAGING EMPLOYEE · I · since Dec 1, 2018

Source CMS Skilled Nursing Facility All Owners · record as of 17 Aug 2026 · pulled 18 Sept 2026 · version 2026-09-18 · b84729

THOMAS H DOYLE

CORPORATE OFFICER · I · since Dec 1, 2018

Source CMS Skilled Nursing Facility All Owners · record as of 17 Aug 2026 · pulled 18 Sept 2026 · version 2026-09-18 · b84729

JOHN B WYNNE

CORPORATE OFFICER · I · since Dec 1, 2018

Source CMS Skilled Nursing Facility All Owners · record as of 17 Aug 2026 · pulled 18 Sept 2026 · version 2026-09-18 · b84729

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.

  • Medicare paid far more per patient than peers

Weekly refreshes

  • 18 Sept 2026 (in use)14,410 records14,410 added · 0 changed · 0 removedpublisher data as of 17 Aug 2026

Records read from this file

Weekly refreshes

  • 18 Sept 2026 (in use)295,083 recordspublisher data as of 17 Aug 2026

Records read from this file

cms_snf_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 nameBEAR MT MATTAPAN LLCCMS Skilled Nursing Facility EnrollmentsAug 17, 2026Sep 18, 20262026-09-18 · 02c2f9
Trading nameMATTAPAN HEALTH AND REHABILITATION CENTERCMS Skilled Nursing Facility EnrollmentsAug 17, 2026Sep 18, 20262026-09-18 · 02c2f9
NPI1982179610CMS Skilled Nursing Facility EnrollmentsAug 17, 2026Sep 18, 20262026-09-18 · 02c2f9
Medicare certification number225532CMS Skilled Nursing Facility EnrollmentsAug 17, 2026Sep 18, 20262026-09-18 · 02c2f9
CMS associate ID6406190347CMS Skilled Nursing Facility EnrollmentsAug 17, 2026Sep 18, 20262026-09-18 · 02c2f9
Provider typePART A PROVIDER - SKILLED NURSING FACILITYCMS Skilled Nursing Facility EnrollmentsAug 17, 2026Sep 18, 20262026-09-18 · 02c2f9
Organisation typeLLCCMS Skilled Nursing Facility EnrollmentsAug 17, 2026Sep 18, 20262026-09-18 · 02c2f9
State of incorporationMACMS Skilled Nursing Facility EnrollmentsAug 17, 2026Sep 18, 20262026-09-18 · 02c2f9
Street address405 RIVER STCMS Skilled Nursing Facility EnrollmentsAug 17, 2026Sep 18, 20262026-09-18 · 02c2f9
CityMATTAPANCMS Skilled Nursing Facility EnrollmentsAug 17, 2026Sep 18, 20262026-09-18 · 02c2f9
StateMACMS Skilled Nursing Facility EnrollmentsAug 17, 2026Sep 18, 20262026-09-18 · 02c2f9
ZIP021262210CMS Skilled Nursing Facility EnrollmentsAug 17, 2026Sep 18, 20262026-09-18 · 02c2f9

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

Readers judge whether this flag holds up. A note only reaches the top when people who usually disagree both rate it helpful.

Sign in to add a note

No notes yet. If you have checked this provider, say what you found.