Skilled nursing facility · CMS certification number 555016
ST JOHN KRONSTADT CONVALESCENT CENTER
CASTRO VALLEY, California · Medicare and Medicaid · 49 certified beds in Care Compare
ST JOHN KRONSTADT CONVALESCENT CENTER: 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 August 28, 2025.
- Net patient revenue rose from $5.9M in fiscal year 2023 to $6.2M in fiscal year 2024.
- Its result from service to patients: $9K (2022), −$494K (2023), −$516K (2024).
- Its cost reports on file run from fiscal year 1996 to fiscal year 2024.
- Since its cost report for fiscal year 2024 was filed on August 28, 2025, 6 changes are listed on this record: an owner change and 5 owner changes.
- Its net patient revenue of $6.2M ranks 890th of the 951 nursing facilities in California whose latest cost report on file is fiscal year 2024.
- 4 of the 5 nursing facilities in California closest in size to it, whose latest cost report on file is fiscal year 2024, also report a loss on service to patients.
ST JOHN KRONSTADT CONVALESCENT CENTER: Medicare cost reports
Form CMS-2540-10: each report covers January 1 to December 31 of its year; every report is settled.
| Form CMS-2540-10 | 2024 · report 1435874 | 2023 · report 1391637 | 2022 · report 1362157 | 2021 · report 1333711 | 2020 · report 1306264 | 2019 · report 1264274 | 2018 · report 1238891 | 2017 · report 1203906 | 2016 · report 1174818 | 2015 · report 1132947 | 2014 · report 1110201 | 2013 · report 1077076 | 2012 · report 1040640 | 2011 · report 1022776 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Processed by CMS | August 28, 2025 | August 8, 2024 | August 14, 2023 | September 22, 2022 | December 3, 2021 | August 19, 2020 | July 30, 2019 | July 31, 2018 | August 24, 2017 | June 27, 2016 | September 22, 2015 | August 26, 2014 | June 28, 2013 | December 31, 2012 |
| Total patient revenue | $6,316,730 | $5,881,013 | $6,929,593 | $6,036,471 | $5,888,152 | $5,930,789 | $6,360,404 | $6,701,749 | $6,708,519 | $5,955,621 | $5,555,300 | $4,997,357 | $4,903,375 | $5,102,141 |
| Contractual allowances and discounts | $114,496 | −$8,626 | $1,004,908 | $456,738 | $514,398 | $721,282 | $1,087,014 | $1,249,188 | $1,519,049 | $925,809 | $760,462 | $601,910 | $754,230 | $582,606 |
| Net patient revenue | $6,202,234 | $5,889,639 | $5,924,685 | $5,579,733 | $5,373,754 | $5,209,507 | $5,273,390 | $5,452,561 | $5,189,470 | $5,029,812 | $4,794,838 | $4,395,447 | $4,149,145 | $4,519,535 |
| Total operating expenses | $6,718,448 | $6,383,334 | $5,915,922 | $5,568,229 | $5,086,157 | $5,187,711 | $5,074,106 | $5,083,855 | $4,919,509 | $4,686,657 | $4,524,592 | $4,269,573 | $4,116,877 | $4,104,063 |
| Net income from service to patients | −$516,214 | −$493,695 | $8,763 | $11,504 | $287,597 | $21,796 | $199,284 | $368,706 | $269,961 | $343,155 | $270,246 | $125,874 | $32,268 | $415,472 |
| Total other income | $433,955 | $327,900 | −$52,333 | $1,134,015 | $302,214 | $178,614 | $4,469 | $38,530 | $59,743 | $32,591 | $29,548 | $39,515 | $25,854 | $56,953 |
| Net income after other income | −$82,259 | −$165,795 | −$43,570 | $1,145,519 | $589,811 | $200,410 | $203,753 | $407,236 | $329,704 | $375,746 | $299,794 | $165,389 | $58,122 | $472,425 |
| Net income | −$82,259 | −$165,795 | −$43,570 | $1,145,519 | $589,811 | $200,410 | $203,753 | $407,236 | $329,704 | $375,746 | $299,794 | $165,389 | $58,122 | $472,425 |
| Total facility beds, all components | 49 | 49 | 49 | 49 | 49 | 49 | 49 | 49 | 49 | 49 | 49 | 49 | 49 | 49 |
| Bed days available, all components | 17,934 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Medicare (Title XVIII) patient days | 759 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Medicaid (Title XIX) patient days | 14,090 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other-payer patient days | 517 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Total patient days, all components | 15,366 | 13,744 | 13,343 | 14,729 | 14,523 | 15,920 | 15,389 | 15,963 | 16,143 | 16,028 | 16,344 | 16,236 | 15,401 | 14,945 |
| Medicare discharges | 9 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Medicaid discharges | 21 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other-payer discharges | 5 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Total discharges, all components | 35 | 35 | 27 | 18 | 27 | 29 | 52 | 58 | 54 | 46 | 56 | 66 | 62 | 41 |
| Average length of stay, Medicare, in days | 84.33 | 69.88 | 138.79 | 84.13 | 91.89 | 65.47 | 77.5 | 45.12 | 44.35 | 51.83 | 46.07 | 55.8 | 42.03 | 66.9 |
| Average length of stay, Medicaid, in days | 670.95 | 993.25 | 1,745.5 | 4,147 | 1,266.67 | 2,845 | 598.5 | 1,691.43 | 1,569.88 | 3,291 | 1,365.78 | 416.11 | 1,538.38 | 2,231.17 |
| Average length of stay, all patients, in days | 439.03 | 392.69 | 494.19 | 818.28 | 537.89 | 548.97 | 295.94 | 275.22 | 298.94 | 348.43 | 291.86 | 246 | 248.4 | 364.51 |
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 411417 | 2009 · report 385646 | 2008 · report 353948 | 2007 · report 315168 | 2006 · report 297367 | 2005 · report 268813 | 2004 · report 243356 | 2003 · report 198698 | 2002 · report 163648 | 2001 · report 143816 | 2000 · report 74786 | 1999 · report 7295 | 1998 · report 7293 | 1997 · report 74785 | 1996 · report 7290 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Report status | settled | settled | settled | settled | settled | settled | settled | settled | settled | settled | settled | settled | settled | reopened | settled with audit |
| Processed by CMS | July 19, 2011 | August 13, 2010 | August 5, 2009 | June 17, 2008 | November 30, 2007 | December 14, 2006 | February 21, 2006 | November 2, 2004 | November 19, 2003 | May 7, 2003 | March 6, 2002 | July 30, 2000 | October 11, 2000 | November 5, 2001 | August 31, 1998 |
| Net patient revenue | $4,260,126 | $4,254,836 | $4,054,203 | $3,950,335 | $3,736,570 | $2,957,490 | $2,312,598 | $2,465,072 | $2,624,505 | $2,318,081 | $2,088,283 | — | $1,819,085 | $1,890,499 | $1,958,948 |
| Total operating expenses | $4,049,679 | $4,069,936 | $3,958,665 | $3,792,038 | $3,394,028 | $2,854,637 | $2,642,951 | $2,585,444 | $2,605,650 | $2,469,133 | $2,246,283 | — | $1,887,664 | $1,939,483 | $2,042,564 |
| Net income from service to patients | $210,447 | $184,900 | $95,538 | $158,297 | $342,542 | $102,853 | −$330,353 | −$120,372 | $18,855 | −$151,052 | −$158,000 | — | −$68,579 | −$48,984 | −$83,616 |
| Total other income | $104,857 | $818,438 | $127,309 | $218,699 | $176,549 | $153,653 | $127,287 | $64,403 | $58,846 | $62,317 | $86,147 | — | $25,414 | $77,146 | $31,193 |
| Net income | $315,304 | $1,003,338 | $222,847 | $376,996 | $519,091 | $256,506 | −$203,066 | −$55,969 | $77,701 | −$88,735 | −$71,853 | $47,333 | −$43,165 | $28,162 | −$52,423 |
| Total facility beds, all components | 49 | 49 | 49 | 49 | 49 | 49 | 49 | 49 | 49 | 49 | 49 | — | 49 | 49 | 49 |
| Total patient days, all components | 16,379 | 16,153 | 16,096 | 16,653 | 16,813 | 14,908 | 14,471 | 14,553 | 15,891 | 14,855 | 14,920 | — | 15,637 | 17,248 | 17,327 |
| Total discharges, all components | 51 | 55 | 79 | 67 | 78 | 78 | 46 | 55 | 44 | 56 | 43 | — | 51 | 48 | 29 |
| Average length of stay, Medicare, in days | 40.21 | 47.26 | 45.54 | 55.26 | 43.35 | 48.34 | 23.86 | 60.21 | 43.59 | 50.79 | 28.29 | — | 36.15 | 24.24 | 279.33 |
| Average length of stay, Medicaid, in days | 2,644.4 | 988.5 | 535.9 | 628.37 | 965.75 | 505.05 | 1,332.5 | 1,035.56 | — | 593.31 | 929.91 | — | 555.26 | 527.09 | 738.2 |
| Average length of stay, all patients, in days | 321.16 | 293.69 | 203.75 | 248.55 | 215.55 | 191.13 | 314.59 | 264.6 | 361.16 | 265.27 | 346.98 | — | 306.61 | 359.33 | 597.48 |
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.
ST JOHN KRONSTADT CONVALESCENT CENTER: nurse staffing hours by quarter →
Who owns ST JOHN KRONSTADT CONVALESCENT CENTER, as filed with CMS
Care Compare
- 5% OR GREATER DIRECT OWNERSHIP INTEREST: ST JOHN KRONSTADT HOME FOR AGED RUSSIAN AMERICANS (organization), 100%%, since 10/15/1971
- ADP OF THE SNF: GARCIA, FABIOLA (individual), NOT APPLICABLE, since 01/25/2023; GRIMES, JEREMY (individual), NOT APPLICABLE, since 01/01/2011; HUYNH, UYEN-CHI (individual), NOT APPLICABLE, since 01/01/2024; SERENITY 4 MANAGEMENT SERVICES LLC (organization), NOT APPLICABLE, since 01/01/2024
- CORPORATE DIRECTOR: KOLOBOFF, CONSTANTINE (individual), NOT APPLICABLE, since 01/01/2007; LOUKIANOFF, ALEXANDER (individual), NOT APPLICABLE, since 01/01/2007; MAXIMOW, ANDREW (individual), NOT APPLICABLE, since 01/01/2010; PAVLENKO, STEFAN (individual), NOT APPLICABLE, since 11/22/2004
- CORPORATE OFFICER: KOLOBOFF, CONSTANTINE (individual), NOT APPLICABLE, since 01/01/2007; PAVLENKO, STEFAN (individual), NOT APPLICABLE, since 01/01/2000
- OPERATIONAL/MANAGERIAL CONTROL: DANBY, CRAIG (individual), NOT APPLICABLE, since 04/01/2014; GARCIA, FABIOLA (individual), NOT APPLICABLE, since 01/25/2023; GONZALEZ, EDWARD (individual), NOT APPLICABLE, since 01/01/2014; GRIMES, JEREMY (individual), NOT APPLICABLE, since 01/01/2014; SERENITY 4 MANAGEMENT SERVICES LLC (organization), NOT APPLICABLE, since 01/01/2024
Medicare enrollment
As filed in the CMS file dated October 1, 2026 (Medicare enrollment ownership), under the enrollment of ST JOHN KRONSTADT HOME FOR AGED RUSSIAN AMERICANS (enrollment ID O20041118000495).
- 5% OR GREATER DIRECT OWNERSHIP INTEREST: ST JOHN KRONSTADT HOME FOR AGED RUSSIAN AMERICANS (organization), 100.00%, since 10/15/1971
- ADP OF THE SNF: FABIOLA GARCIA (individual), since 01/25/2023; JEREMY GRIMES (individual), since 01/01/2011; SERENITY 4 MANAGEMENT SERVICES LLC (organization), since 01/01/2024; UYEN-CHI HUYNH (individual), since 01/01/2024
- CORPORATE DIRECTOR: ALEXANDER LOUKIANOFF (individual), 20.00%, since 01/01/2007; ANDREW MAXIMOW (individual), 20.00%, since 01/01/2010; CONSTANTINE KOLOBOFF (individual), 20.00%, since 01/01/2007; STEFAN PAVLENKO (individual), 20.00%, since 11/22/2004
- CORPORATE OFFICER: CONSTANTINE KOLOBOFF (individual), 0.00%, since 01/01/2007; STEFAN PAVLENKO (individual), 0.00%, since 01/01/2000
- OPERATIONAL/MANAGERIAL CONTROL: CRAIG DANBY (individual), 100.00%, since 04/01/2014; EDWARD GONZALEZ (individual), 100.00%, since 01/01/2014; FABIOLA GARCIA (individual), since 01/25/2023; JEREMY GRIMES (individual), since 01/01/2014; SERENITY 4 MANAGEMENT SERVICES LLC (organization), since 01/01/2024
Paused by CMS: Form CMS-855A, December 11, 2025.
Private equity company, real estate investment trust and holding company: No: ST JOHN KRONSTADT HOME FOR AGED RUSSIAN AMERICANS; SERENITY 4 MANAGEMENT SERVICES LLC; SERENITY 4 MANAGEMENT SERVICES LLC.
Private equity company, real estate investment trust and holding company: Paused by CMS: FABIOLA GARCIA; JEREMY GRIMES; UYEN-CHI HUYNH; ALEXANDER LOUKIANOFF; ANDREW MAXIMOW; CONSTANTINE KOLOBOFF; STEFAN PAVLENKO; CONSTANTINE KOLOBOFF; STEFAN PAVLENKO; CRAIG DANBY; EDWARD GONZALEZ; FABIOLA GARCIA; JEREMY GRIMES.
Changes in ownership
- December 1, 2025, enrollment ownership file; no longer listed: MERIDIAN HEALTH SERVICES HOLDINGS, INC. (OTHER); first listed: SERENITY 4 MANAGEMENT SERVICES LLC (ADP OF THE SNF), associated since January 1, 2024; JEREMY GRIMES (ADP OF THE SNF), associated since January 1, 2011; FABIOLA GARCIA (ADP OF THE SNF), associated since January 25, 2023; FABIOLA GARCIA (OPERATIONAL/MANAGERIAL CONTROL), associated since January 25, 2023; UYEN-CHI HUYNH (ADP OF THE SNF), associated since January 1, 2024. Skilled_Nursing_Facility_All_Owners_:_2025-12-01.csv
Inspections of ST JOHN KRONSTADT CONVALESCENT CENTER
- Cycle 1: health November 21, 2025 (11 deficiencies), fire safety November 21, 2025 (2)
- Cycle 2: health June 7, 2024 (7 deficiencies), fire safety June 7, 2024 (7)
- Cycle 3: health February 17, 2023 (15 deficiencies), fire safety February 17, 2023 (15)
Deficiencies cited at ST JOHN KRONSTADT CONVALESCENT CENTER
33 deficiencies on file, by tag, newest citation first
every one from a health inspection; 2 cited from a complaint, marked below. Letter after a date: scope and severity grade.
- F 0644, resident assessment and care planning: November 21, 2025 (D, Deficient, Provider has date of correction, corrected December 21, 2025).
- F 0656, resident assessment and care planning: November 21, 2025 (D, Deficient, Provider has date of correction, corrected December 21, 2025).
- F 0658, resident assessment and care planning: November 21, 2025 (D, Deficient, Provider has date of correction, corrected December 21, 2025).
- F 0677, quality of life and care: November 21, 2025 (D, Deficient, Provider has date of correction, corrected December 21, 2025); June 7, 2024 (E, Deficient, Provider has date of correction, corrected July 4, 2024).
- F 0732, nursing and physician services: November 21, 2025 (D, Deficient, Provider has date of correction, corrected December 21, 2025).
- F 0756, pharmacy service: November 21, 2025 (E, Deficient, Provider has date of correction, corrected December 21, 2025).
- F 0761, pharmacy service: November 21, 2025 (E, Deficient, Provider has date of correction, corrected December 21, 2025); June 7, 2024 (E, Deficient, Provider has date of correction, corrected July 4, 2024).
- F 0812, nutrition and dietary: November 21, 2025 (E, Deficient, Provider has date of correction, corrected December 21, 2025); February 17, 2023 (F, Deficient, Provider has date of correction, corrected May 17, 2023).
- F 0880, infection control: November 21, 2025 (D, Deficient, Provider has date of correction, corrected December 21, 2025); February 17, 2023 (F, Deficient, Provider has date of correction, corrected March 24, 2023).
- F 0883, infection control: November 21, 2025 (D, Deficient, Provider has date of correction, corrected December 21, 2025).
- F 0912, environmental: November 21, 2025 (B, Deficient, Provider has date of correction, corrected December 21, 2025); June 7, 2024 (B, Deficient, Provider has date of correction, corrected July 4, 2024); February 17, 2023 (D, Waiver has been granted, corrected March 24, 2023).
- F 0609, freedom from abuse, neglect, and exploitation: April 16, 2025 (D, from a complaint, Deficient, Provider has date of correction, corrected May 27, 2025).
- F 0689, quality of life and care: December 10, 2024 (D, from a complaint, Deficient, Provider has date of correction, corrected January 15, 2025).
- F 0550, resident rights: June 7, 2024 (E, Deficient, Provider has date of correction, corrected July 4, 2024); February 17, 2023 (E, Deficient, Provider has date of correction, corrected March 24, 2023).
- F 0755, pharmacy service: June 7, 2024 (D, Deficient, Provider has date of correction, corrected July 4, 2024).
- F 0558, resident rights: February 17, 2023 (E, Deficient, Provider has date of correction, corrected March 24, 2023).
- F 0730, nursing and physician services: February 17, 2023 (E, Deficient, Provider has date of correction, corrected March 24, 2023).
- F 0759, pharmacy service: February 17, 2023 (E, Deficient, Provider has date of correction, corrected March 24, 2023).
- F 0760, pharmacy service: February 17, 2023 (E, Deficient, Provider has date of correction, corrected March 24, 2023).
- F 0801, nutrition and dietary: February 17, 2023 (K, Deficient, Provider has date of correction, corrected March 24, 2023).
- F 0802, nutrition and dietary: February 17, 2023 (E, Deficient, Provider has date of correction, corrected May 17, 2023).
- F 0803, nutrition and dietary: February 17, 2023 (F, Deficient, Provider has date of correction, corrected May 17, 2023).
- F 0804, nutrition and dietary: February 17, 2023 (F, Deficient, Provider has date of correction, corrected May 17, 2023).
- F 0805, nutrition and dietary: February 17, 2023 (E, Deficient, Provider has date of correction, corrected May 17, 2023).
- F 0882, infection control: February 17, 2023 (F, Deficient, Provider has date of correction, corrected March 24, 2023).
- F 0908, environmental: February 17, 2023 (F, Deficient, Provider has date of correction, corrected March 24, 2023).
ST JOHN KRONSTADT CONVALESCENT CENTER in Care Compare
- Ownership Type: Non profit - Corporation
- Legal Business Name: ST JOHN KRONSTADT HOME FOR AGED RUSSIAN AMERICANS
- Date First Approved to Provide Medicare and Medicaid Services: 1976-05-14
- Provider Resides in Hospital: N
- Continuing Care Retirement Community: N
- Urban: Y
- County/Parish: Alameda
- Telephone Number: 5108897000
- Provider Changed Ownership in Last 12 Months: N
- With a Resident and Family Council: Both
- Automatic Sprinkler Systems in All Required Areas: Yes
- Average Number of Residents per Day: 41.2
- Overall Rating: 5
- Health Inspection Rating: 4
- QM Rating: 5
- Long-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 · ownership NH_Ownership_Oct2026.csv.
Nothing on file for ST JOHN KRONSTADT CONVALESCENT CENTER: no penalty in Care Compare.
Other nursing facilities in CASTRO VALLEY and California
Report a figure on ST JOHN KRONSTADT CONVALESCENT CENTER’s record that differs from its CMS file, quoting 555016.