Why this was flagged
Medicare paid this provider far more than its peers
In 2023 Medicare paid this provider $11,183,034, against a typical payment of $1,140,282 for the same kind of provider that year. High volume can be legitimate, but extreme outliers are where billing fraud shows up.
Source Medicare Skilled Nursing Payments by Provider · record as of 11 Aug 2026 · pulled 9 Nov 2026 · version 2026-11-09 · 0c26d5
View the records behind this flag →
Owner is tied to 86 providers
An owner or managing party of this provider (MENACHEM SHABAT) is listed on 86 separate Medicare enrollments. Chains are legal, and most are ordinary business — this is background context, not a fraud indicator on its own.
Source CMS Skilled Nursing Facility All Owners · record as of 19 Oct 2026 · pulled 21 Oct 2026 · version 2026-10-21 · 859da0
View the records behind this flag →
Owners and managing parties of record
FNR WB LLC
5% OR GREATER SECURITY INTEREST · O · 100% ownership · since Aug 1, 2013
Source CMS Skilled Nursing Facility All Owners · record as of 19 Oct 2026 · pulled 21 Oct 2026 · version 2026-10-21 · 859da0
MENACHEM SHABAT
OPERATIONAL/MANAGERIAL CONTROL · I · 50% ownership · since Aug 1, 2013
Source CMS Skilled Nursing Facility All Owners · record as of 19 Oct 2026 · pulled 21 Oct 2026 · version 2026-10-21 · 859da0
CHAIM RAJCHENBACH
OPERATIONAL/MANAGERIAL CONTROL · I · 50% ownership · since Aug 2, 2013
Source CMS Skilled Nursing Facility All Owners · record as of 19 Oct 2026 · pulled 21 Oct 2026 · version 2026-10-21 · 859da0
MENACHEM SHABAT
5% OR GREATER DIRECT OWNERSHIP INTEREST · I · 34.77% ownership · since Jan 1, 2017
Source CMS Skilled Nursing Facility All Owners · record as of 19 Oct 2026 · pulled 21 Oct 2026 · version 2026-10-21 · 859da0
CHAIM RAJCHENBACH
5% OR GREATER DIRECT OWNERSHIP INTEREST · I · 34.77% ownership · since Jan 1, 2017
Source CMS Skilled Nursing Facility All Owners · record as of 19 Oct 2026 · pulled 21 Oct 2026 · version 2026-10-21 · 859da0
RONALD SHABAT
5% OR GREATER DIRECT OWNERSHIP INTEREST · I · 10.38% ownership · since Aug 1, 2013
Source CMS Skilled Nursing Facility All Owners · record as of 19 Oct 2026 · pulled 21 Oct 2026 · version 2026-10-21 · 859da0
JACK RAJCHENBACH FAMILY TRUST
5% OR GREATER DIRECT OWNERSHIP INTEREST · O · 6.69% ownership · since Aug 2, 2013
Source CMS Skilled Nursing Facility All Owners · record as of 19 Oct 2026 · pulled 21 Oct 2026 · version 2026-10-21 · 859da0
SUSAN FRIEDMAN
5% OR GREATER DIRECT OWNERSHIP INTEREST · I · 5% ownership · since Jan 1, 2017
Source CMS Skilled Nursing Facility All Owners · record as of 19 Oct 2026 · pulled 21 Oct 2026 · version 2026-10-21 · 859da0
CRYSTAL SHELBY
W-2 MANAGING EMPLOYEE · I · since Dec 20, 2018
Source CMS Skilled Nursing Facility All Owners · record as of 19 Oct 2026 · pulled 21 Oct 2026 · version 2026-10-21 · 859da0
Source timeline
Corrections and disputes
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Source records
Each value includes its published file, download date, and weekly version. Open a link to check the source record. Verify this lead yourself.
| Detail | Value | Published file | Record as of | Pulled | Version |
|---|---|---|---|---|---|
| Legal name | WARREN BARR LIVING & REHAB CENTER, LLC | CMS Skilled Nursing Facility Enrollments | Oct 19, 2026 | Nov 9, 2026 | 2026-11-09 · e83b3d |
| NPI | 1760823116 | CMS Skilled Nursing Facility Enrollments | Oct 19, 2026 | Nov 9, 2026 | 2026-11-09 · e83b3d |
| Medicare certification number | 145336 | CMS Skilled Nursing Facility Enrollments | Oct 19, 2026 | Nov 9, 2026 | 2026-11-09 · e83b3d |
| CMS associate ID | 6305071366 | CMS Skilled Nursing Facility Enrollments | Oct 19, 2026 | Nov 9, 2026 | 2026-11-09 · e83b3d |
| Provider type | PART A PROVIDER - SKILLED NURSING FACILITY | CMS Skilled Nursing Facility Enrollments | Oct 19, 2026 | Nov 9, 2026 | 2026-11-09 · e83b3d |
| Organisation type | LLC | CMS Skilled Nursing Facility Enrollments | Oct 19, 2026 | Nov 9, 2026 | 2026-11-09 · e83b3d |
| Street address | 66 W OAK ST | CMS Skilled Nursing Facility Enrollments | Oct 19, 2026 | Nov 9, 2026 | 2026-11-09 · e83b3d |
| City | CHICAGO | CMS Skilled Nursing Facility Enrollments | Oct 19, 2026 | Nov 9, 2026 | 2026-11-09 · e83b3d |
| State | IL | CMS Skilled Nursing Facility Enrollments | Oct 19, 2026 | Nov 9, 2026 | 2026-11-09 · e83b3d |
| ZIP | 60610-7325 | CMS Skilled Nursing Facility Enrollments | Oct 19, 2026 | Nov 9, 2026 | 2026-11-09 · e83b3d |
What changed
Public research history
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