Skilled nursing facility · CMS certification number 335410
Waters Edge at Port Jefferson for Rehabilitation a
Port Jefferson, New York · Medicare and Medicaid · 120 certified beds in Care Compare
In Care Compare’s provider information: Penalties: 1 · Fines: 1 · Fines, total amount: $153,911.00 · Payment denials: 0. The most recent penalty on file: August 11, 2025, Fine, $153,911. Every penalty on file ↓
Waters Edge at Port Jefferson for Rehabilitation a: its citable report, full history — $295 · an email when it changes — $99/month
What stands out
- Its latest cost report on file is for fiscal year 2024, covering January 1, 2024 to December 31, 2024 (365 days), and CMS processed it on December 29, 2025.
- Net patient revenue rose from $19.6M in fiscal year 2023 to $21.4M in fiscal year 2024.
- Its result from service to patients: −$831K (2022), −$190K (2023), $750K (2024).
- Its cost reports on file run from fiscal year 1996 to fiscal year 2024.
- Its net patient revenue of $21.4M ranks 276th of the 539 nursing facilities in New York whose latest cost report on file is fiscal year 2024.
- 1 of the 5 nursing facilities in New York closest in size to it, whose latest cost report on file is fiscal year 2024, also reports a gain on service to patients.
Waters Edge at Port Jefferson for Rehabilitation a: Medicare cost reports
Form CMS-2540-10: every report is settled.
| Form CMS-2540-10 | 2024 · report 1445738 | 2023 · report 1398679 | 2022 · report 1370306 | 2021 · report 1342752 | 2020 · report 1310358 | 2019 · report 1281838 | 2018 · report 1243642 | 2017 · report 1203838 | 2016 · report 1172296 | 2015 · report 1135439 | 2014 · report 1122729 | 2013 · report 1087818 | 2012 · report 1056130 | 2011 · report 1010990 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Period began | January 1, 2024 | January 1, 2023 | January 1, 2022 | January 1, 2021 | January 1, 2020 | March 1, 2019 | January 1, 2018 | January 1, 2017 | January 1, 2016 | January 1, 2015 | January 1, 2014 | January 1, 2013 | January 1, 2012 | January 1, 2011 |
| Period ended | December 31, 2024 | December 31, 2023 | December 31, 2022 | December 31, 2021 | December 31, 2020 | December 31, 2019 | December 31, 2018 | December 31, 2017 | December 31, 2016 | December 31, 2015 | December 31, 2014 | December 31, 2013 | December 31, 2012 | December 31, 2011 |
| Processed by CMS | December 29, 2025 | November 6, 2024 | December 12, 2023 | February 20, 2023 | February 14, 2022 | March 30, 2021 | September 19, 2019 | July 31, 2018 | August 8, 2017 | July 25, 2016 | April 27, 2016 | March 27, 2015 | February 28, 2014 | September 21, 2012 |
| Total patient revenue | $25,556,149 | $23,497,459 | $18,005,380 | $18,130,858 | $15,778,827 | $13,842,659 | $15,004,359 | $13,824,503 | $14,073,748 | $13,182,685 | $12,891,999 | $10,676,826 | $12,537,060 | $11,124,943 |
| Contractual allowances and discounts | $4,191,568 | $3,945,044 | — | — | — | — | — | — | — | — | — | — | — | — |
| Net patient revenue | $21,364,581 | $19,552,415 | $18,005,380 | $18,130,858 | $15,778,827 | $13,842,659 | $15,004,359 | $13,824,503 | $14,073,748 | $13,182,685 | $12,891,999 | $10,676,826 | $12,537,060 | $11,124,943 |
| Total operating expenses | $20,614,099 | $19,742,270 | $18,836,414 | $17,223,097 | $16,430,463 | $14,215,646 | $13,744,650 | $12,601,834 | $14,481,049 | $12,803,808 | $12,567,672 | $12,762,696 | $12,033,786 | $11,656,429 |
| Net income from service to patients | $750,482 | −$189,855 | −$831,034 | $907,761 | −$651,636 | −$372,987 | $1,259,709 | $1,222,669 | −$407,301 | $378,877 | $324,327 | −$2,085,870 | $503,274 | −$531,486 |
| Total other income | $41,256 | $344,406 | $14,223 | $8,778 | $1,108,079 | $22,017 | $58,709 | $99,304 | $12,257 | $117,711 | $90,840 | $25,176 | $48,401 | $47,271 |
| Net income after other income | $791,738 | $154,551 | −$816,811 | $916,539 | $456,443 | −$350,970 | $1,318,418 | $1,321,973 | −$395,044 | $496,588 | $415,167 | −$2,060,694 | $551,675 | −$484,215 |
| Net income | $791,738 | $59,787 | −$816,811 | $916,539 | $456,443 | −$350,970 | $1,318,418 | $1,321,973 | −$395,044 | $496,588 | $415,167 | −$2,060,694 | $551,675 | −$484,215 |
| Total facility beds, all components | 120 | 120 | 120 | 120 | 120 | 120 | 120 | 120 | 120 | 120 | 120 | 120 | 120 | 120 |
| Bed days available, all components | 43,920 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Medicare (Title XVIII) patient days | 10,920 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Medicaid (Title XIX) patient days | 23,598 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other-payer patient days | 7,014 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Total patient days, all components | 41,532 | 39,738 | 39,087 | 36,612 | 35,085 | 37,215 | 41,575 | 39,822 | 39,944 | 38,175 | 36,546 | 38,887 | 36,217 | 34,703 |
| Medicare discharges | 272 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Medicaid discharges | 95 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other-payer discharges | 151 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Total discharges, all components | 518 | 448 | 439 | 469 | 424 | 424 | 404 | 375 | 422 | 393 | 417 | 393 | 390 | 393 |
| Average length of stay, Medicare, in days | 40.15 | 49.08 | 54.39 | 42.66 | 53.74 | 40.95 | 36.3 | 29.97 | 26.27 | 38.3 | 29.32 | 35.58 | 37.65 | 24.11 |
| Average length of stay, Medicaid, in days | 248.4 | 402.17 | 268 | 319.73 | 247.8 | 221.26 | 372.49 | 720.38 | 728.33 | 590.05 | 599.93 | 636.48 | 519.43 | 543.02 |
| Average length of stay, all patients, in days | 80.18 | 88.7 | 89.04 | 78.06 | 82.75 | 87.77 | 102.91 | 106.19 | 94.65 | 97.14 | 87.64 | 98.95 | 92.86 | 88.3 |
Net income, fiscal years 2024, 2023, 2022, 2021, 2020, 2019, 2018, 2017, 2016, 2015, 2014, 2013, 2012, 2011. Checked against the form’s own arithmetic: what that check shows.
Form CMS-2540-96: each report covers January 1 to December 31 of its year.
| Form CMS-2540-96 | 2010 · report 413500 | 2009 · report 386057 | 2008 · report 371274 | 2007 · report 331435 | 2006 · report 311076 | 2005 · report 264607 | 2004 · report 231374 | 2003 · report 194734 | 2002 · report 161086 | 2001 · report 128017 | 2000 · report 37394 | 1999 · report 37393 | 1998 · report 37392 | 1997 · report 78139 | 1996 · report 78137 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Report status | settled | settled | settled | settled | settled | settled | settled | settled | settled | settled | settled | settled | reopened | settled | reopened |
| Processed by CMS | July 28, 2011 | August 23, 2010 | May 28, 2010 | January 20, 2009 | June 3, 2008 | October 16, 2006 | August 22, 2005 | September 21, 2004 | September 30, 2003 | February 13, 2003 | February 11, 2002 | July 24, 2001 | August 21, 2001 | July 21, 1999 | July 21, 1999 |
| Net patient revenue | $12,420,129 | $13,411,483 | $13,326,724 | $12,657,389 | $13,274,826 | $12,781,591 | $11,104,859 | $11,388,336 | $11,513,047 | $12,167,676 | $12,157,629 | $11,396,962 | $12,097,748 | $11,578,018 | $9,211,601 |
| Total operating expenses | $12,270,784 | $12,607,503 | $14,049,283 | $13,336,157 | $13,611,380 | $12,794,508 | $13,123,610 | $12,456,579 | $12,672,333 | $14,592,381 | $14,008,073 | $12,461,378 | $12,618,125 | $11,089,067 | $9,366,054 |
| Net income from service to patients | $149,345 | $803,980 | −$722,559 | −$678,768 | −$336,554 | −$12,917 | −$2,018,751 | −$1,068,243 | −$1,159,286 | −$2,424,705 | −$1,850,444 | −$1,064,416 | −$520,377 | $488,951 | −$154,453 |
| Total other income | $28,850 | $22,843 | $495,670 | $328,015 | $362,972 | $445,408 | $107,751 | $140,564 | $138,654 | $194,891 | $237,256 | $321,617 | $265,876 | $237,323 | $310,478 |
| Net income | $178,195 | $826,823 | −$226,889 | −$350,753 | $26,418 | $432,491 | −$1,911,000 | −$927,679 | −$1,020,632 | −$2,229,814 | −$1,613,188 | −$742,799 | −$254,501 | $726,274 | $156,025 |
| Total facility beds, all components | 120 | 120 | 120 | 120 | 120 | 120 | 120 | 120 | 120 | 120 | 120 | 120 | 120 | 120 | 120 |
| Total patient days, all components | 40,759 | 41,961 | 42,014 | 42,224 | 42,262 | 42,504 | 40,631 | 41,013 | 40,576 | 39,745 | 40,141 | 36,013 | 38,207 | 39,937 | 40,587 |
| Total discharges, all components | 392 | 392 | 520 | 369 | 477 | 392 | 534 | 598 | 588 | 807 | 798 | 841 | 887 | 687 | 363 |
| Average length of stay, Medicare, in days | 34.23 | 31.58 | 31.69 | 35.8 | 31.83 | 33.48 | 32 | 32.45 | 31.91 | 30.05 | 34.01 | 31.12 | 31.47 | 34.17 | 41.03 |
| Average length of stay, Medicaid, in days | 708.1 | 658.61 | 258.41 | 366.56 | 240.95 | 731.73 | 249.74 | 195.38 | 239.99 | 255.38 | 379.58 | 331.45 | 457.17 | 578.81 | 576.26 |
| Average length of stay, all patients, in days | 103.98 | 107.04 | 80.8 | 114.43 | 88.6 | 108.43 | 76.09 | 68.58 | 69.01 | 49.25 | 50.3 | 42.82 | 43.07 | 58.13 | 111.81 |
Net income, fiscal years 2010, 2009, 2008, 2007, 2006, 2005, 2004, 2003, 2002, 2001, 2000, 1999, 1998, 1997, 1996. Checked against the form’s own arithmetic: what that check shows.
Waters Edge at Port Jefferson for Rehabilitation a: nurse staffing hours by quarter →
Who owns Waters Edge at Port Jefferson for Rehabilitation a, as filed with CMS
Care Compare
- 5% OR GREATER DIRECT OWNERSHIP INTEREST: EINHORN, NEAL (individual), 44%%, since 08/10/2017; FRIEDMAN, MARK (individual), 44%%, since 08/10/2017; RUDNER, AKIVA (individual), NO PERCENTAGE PROVIDED, since 08/10/2017; SAX, STEVEN (individual), NO PERCENTAGE PROVIDED, since 08/10/2017
- ADP OF THE SNF: MANDELBAUM, JEFFREY (individual), NOT APPLICABLE, since 11/24/2025; MARCENA, NADGEFFRENA (individual), NOT APPLICABLE, since 09/17/2024; WHANG, SUNG (individual), NOT APPLICABLE, since 06/01/2021; ZUCKER, YOSSIE (individual), NOT APPLICABLE, since 08/22/2017
- MANAGING CONTROL - GOVERNING BODY: EINHORN, NEAL (individual), NOT APPLICABLE, since 08/10/2017; FRIEDMAN, MARK (individual), NOT APPLICABLE, since 08/10/2017
- OPERATIONAL/MANAGERIAL CONTROL: MANDELBAUM, JEFFREY (individual), NOT APPLICABLE, since 11/24/2025; MARCENA, NADGEFFRENA (individual), NOT APPLICABLE, since 09/17/2024; WHANG, SUNG (individual), NOT APPLICABLE, since 06/01/2021
Medicare enrollment
As filed in the CMS file dated October 1, 2026 (Medicare enrollment ownership), under the enrollment of PORT JEFFERSON OPERATING LLC (enrollment ID O20190318001806).
- 5% OR GREATER DIRECT OWNERSHIP INTEREST: AKIVA RUDNER (individual), 4.00%, since 08/10/2017; MARK FRIEDMAN (individual), 43.50%, since 08/10/2017; NEAL EINHORN (individual), 43.50%, since 08/10/2017; STEVEN SAX (individual), 4.00%, since 08/10/2017; YOSSIE ZUCKER (individual), 5.00%, since 08/22/2017
- ADP OF THE SNF: JEFFREY MANDELBAUM (individual), since 11/24/2025; NADGEFFRENA MARCENA (individual), since 09/17/2024; SUNG WHANG (individual), since 06/01/2021; YOSSIE ZUCKER (individual), since 08/22/2017; No owner named in the filing (organization), since 07/09/2025; No owner named in the filing (organization), since 07/09/2025; No owner named in the filing (organization), since 07/09/2025; No owner named in the filing (organization), since 07/09/2025; No owner named in the filing (organization), since 07/09/2025; No owner named in the filing (organization), since 03/01/2019; No owner named in the filing (organization), since 07/09/2025; No owner named in the filing (organization), since 07/09/2025; No owner named in the filing (organization), since 07/09/2025; No owner named in the filing (individual), since 08/18/2025
- MANAGING CONTROL - GOVERNING BODY: MARK FRIEDMAN (individual), since 08/10/2017; NEAL EINHORN (individual), since 08/10/2017
- OPERATIONAL/MANAGERIAL CONTROL: JEFFREY MANDELBAUM (individual), since 11/24/2025; NADGEFFRENA MARCENA (individual), since 09/17/2024; SUNG WHANG (individual), since 06/01/2021
Paused by CMS: Form CMS-855A, December 11, 2025.
Private equity company, real estate investment trust and holding company: Paused by CMS: AKIVA RUDNER; MARK FRIEDMAN; NEAL EINHORN; STEVEN SAX; YOSSIE ZUCKER; JEFFREY MANDELBAUM; NADGEFFRENA MARCENA; SUNG WHANG; YOSSIE ZUCKER; No owner named in the filing; MARK FRIEDMAN; NEAL EINHORN; JEFFREY MANDELBAUM; NADGEFFRENA MARCENA; SUNG WHANG.
Private equity company, real estate investment trust and holding company: No: No owner named in the filing; No owner named in the filing; No owner named in the filing; No owner named in the filing; No owner named in the filing; No owner named in the filing; No owner named in the filing; No owner named in the filing; No owner named in the filing.
Changes in ownership
- January 1, 2026, enrollment ownership file; no longer listed: ANDREA RULAND (ADP OF THE SNF); ANDREA RULAND (OPERATIONAL/MANAGERIAL CONTROL); first listed: JEFFREY MANDELBAUM (ADP OF THE SNF), associated since November 24, 2025; JEFFREY MANDELBAUM (OPERATIONAL/MANAGERIAL CONTROL), associated since November 24, 2025. Skilled_Nursing_Facility_All_Owners_:_2026-01-01.csv
- November 1, 2025, enrollment ownership file; no longer listed: NEAL EINHORN (CORPORATE OFFICER); DAVID SIMCHA ROLL (W-2 MANAGING EMPLOYEE); MARK FRIEDMAN (CORPORATE OFFICER); first listed: NADGEFFRENA MARCENA (ADP OF THE SNF), associated since September 17, 2024; NADGEFFRENA MARCENA (OPERATIONAL/MANAGERIAL CONTROL), associated since September 17, 2024; SUNG WHANG (ADP OF THE SNF), associated since June 1, 2021; SUNG WHANG (OPERATIONAL/MANAGERIAL CONTROL), associated since June 1, 2021; ANDREA RULAND (ADP OF THE SNF), associated since June 16, 2025; ANDREA RULAND (OPERATIONAL/MANAGERIAL CONTROL), associated since June 16, 2025; YOSSIE ZUCKER (ADP OF THE SNF), associated since August 22, 2017; NEAL EINHORN (MANAGING CONTROL - GOVERNING BODY), associated since August 10, 2017; a listing under ADP OF THE SNF with no owner named, associated since July 9, 2025; MARK FRIEDMAN (MANAGING CONTROL - GOVERNING BODY), associated since August 10, 2017. Skilled_Nursing_Facility_All_Owners_:_2025-11-01.csv
Inspections of Waters Edge at Port Jefferson for Rehabilitation a
- Cycle 1: health August 11, 2025 (9 deficiencies), fire safety August 11, 2025 (2)
- Cycle 2: health February 15, 2024 (8 deficiencies), fire safety February 15, 2024 (9)
- Cycle 3: health February 28, 2022 (6 deficiencies), fire safety February 28, 2022 (2)
Deficiencies cited at Waters Edge at Port Jefferson for Rehabilitation a
23 deficiencies on file, by tag, newest citation first
every one from a health inspection; every one marked “Deficient, Provider has date of correction”; 6 cited from a complaint, marked below. Letter after a date: scope and severity grade.
- F 0558, resident rights: August 11, 2025 (D, corrected September 26, 2025).
- F 0658, resident assessment and care planning: August 11, 2025 (D, corrected September 26, 2025); February 28, 2022 (D, corrected April 11, 2022).
- F 0677, quality of life and care: August 11, 2025 (D, corrected September 26, 2025).
- F 0686, quality of life and care: August 11, 2025 (D, corrected September 26, 2025); February 28, 2022 (E, corrected April 11, 2022).
- F 0695, quality of life and care: August 11, 2025 (K, corrected September 26, 2025).
- F 0761, pharmacy service: August 11, 2025 (D, corrected September 26, 2025).
- F 0812, nutrition and dietary: August 11, 2025 (E, corrected September 26, 2025).
- F 0835, administration: August 11, 2025 (E, corrected September 26, 2025).
- F 0880, infection control: August 11, 2025 (D, corrected September 26, 2025).
- F 0580, resident rights: February 21, 2025 (D, from a complaint, corrected April 1, 2025); February 28, 2022 (D, corrected April 11, 2022).
- F 0684, quality of life and care: February 21, 2025 (J, from a complaint, corrected April 1, 2025); January 22, 2025 (E, from a complaint, corrected February 1, 2025).
- F 0689, quality of life and care: February 21, 2025 (E, from a complaint, corrected April 1, 2025).
- F 0711, nursing and physician services: February 21, 2025 (E, from a complaint, corrected April 1, 2025).
- F 0725, nursing and physician services: February 15, 2024 (E, from a complaint, corrected April 3, 2024).
- F 0755, pharmacy service: February 15, 2024 (E, corrected April 3, 2024).
- F 0842, resident assessment and care planning: February 15, 2024 (E, corrected April 3, 2024).
- F 0610, freedom from abuse, neglect, and exploitation: February 28, 2022 (D, corrected April 11, 2022).
- F 0640, resident assessment and care planning: February 28, 2022 (B, corrected April 11, 2022).
- F 0710, nursing and physician services: February 28, 2022 (D, corrected April 11, 2022).
Penalties
| Penalty date | Type | Fine amount | Payment denial began | Payment denial, days | Fine ID |
|---|---|---|---|---|---|
| August 11, 2025 | Fine | $153,911 | 135159 |
From the Care Compare penalties file NH_Penalties_Oct2026.csv, processed on October 1, 2026.
Waters Edge at Port Jefferson for Rehabilitation a in Care Compare
- Ownership Type: For profit - Limited Liability company
- Legal Business Name: PORT JEFFERSON OPERATING LLC
- Date First Approved to Provide Medicare and Medicaid Services: 1974-12-01
- Provider Resides in Hospital: N
- Continuing Care Retirement Community: N
- Urban: Y
- County/Parish: Suffolk
- Telephone Number: 6314735400
- Chain Name: CARERITE CENTERS
- Chain ID: 110
- Provider Changed Ownership in Last 12 Months: N
- With a Resident and Family Council: Resident
- Automatic Sprinkler Systems in All Required Areas: Yes
- Average Number of Residents per Day: 107.5
- Overall Rating: 2
- Health Inspection Rating: 1
- QM Rating: 5
- Long-Stay QM Rating: 5
- Short-Stay QM Rating: 5
Care Compare, October 1, 2026: provider information NH_ProviderInfo_Oct2026.csv · inspections NH_SurveySummary_Oct2026.csv · citations NH_HealthCitations_Oct2026.csv · penalties NH_Penalties_Oct2026.csv · ownership NH_Ownership_Oct2026.csv.
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Report a figure on Waters Edge at Port Jefferson for Rehabilitation a’s record that differs from its CMS file, quoting 335410.