Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

KNICKERBOCKER DIALYSIS INC
NPI 1568498103
Clinic/Center - End-Stage Renal Disease (ESRD) Treatment in Bronx, NY

Q: What is Knickerbocker Dialysis Inc's NPI number?

The NPI number for Knickerbocker Dialysis Inc is 1568498103. It was assigned to this organization in the NPPES registry on June 24, 2006. The provider is doing business as Riverdale Dialysis Center.

Q: What is Knickerbocker Dialysis Inc's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in End-Stage Renal Disease (ESRD) Treatment, with taxonomy code 261QE0700X.

Q: What quality rating does Knickerbocker Dialysis Inc have?

CMS rates DaVita Riverdale Dialysis Center 4 out of 5 stars on Care Compare. The full measure detail is in the Dialysis Facility Quality section above.

Active since June 24, 2006

4/5

Overall Rating

170 W 233RD ST, BRONX, NY 10463(718) 884-4300(718) 884-9695 Get Directions Write a Review

NPPES record last updated: August 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Aug 13, 2026, Feb 18, 2025, Sep 22, 2020 and 1 more (4 updates tracked since 2019).

On this page

About Knickerbocker Dialysis Inc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KNICKERBOCKER DIALYSIS INC (NPI 1568498103), doing business as Riverdale Dialysis Center, is a healthcare organization registered as an end-stage renal disease (esrd) treatment in Bronx, New York and active in the NPI registry since June 2006. The organization lists Samuel Wey, Assistant Secretary, as its authorized official.

NPPES Registry Identity

NPI1568498103

Entity TypeOrganization

Primary Taxonomy261QE0700X

Legal Business NameKNICKERBOCKER DIALYSIS INC

Location Address170 W 233RD STBronx, NY 10463-5639

Mailing Address5200 Virginia Way, L&c DeptBrentwood, TN 37027-7569

Phone(718) 884-4300

Fax(718) 884-9695

Organization SubpartNo

Authorized OfficialSamuel WeyAssistant Secretary · (615) 341-6641

Enumeration DateJune 24, 2006

Last NPPES UpdateAugust 13, 20264 updates tracked since enumeration

NPPES CertifiedAugust 13, 2026

✔ NPI 1568498103 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · End-Stage Renal Disease (ESRD) TreatmentAmbulatory Health Care Facilities

Taxonomy Code261QE0700X

170 W 233RD ST, Bronx, NY 10463

Open in Google Maps ↗

Other Names 1

Doing Business AsRiverdale Dialysis Center

Other Identifiers 1

Medicaid03048771NY

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter Health, Ambetter Health of Delaware and more.Insurance ›

Dialysis Facility Quality Ratings CMS Care Compare

Quality ratings, services and patient survey results for DaVita Riverdale Dialysis Center (CMS certification number 332565), from CMS Care Compare.

DaVita Riverdale Dialysis Center

Dialysis facility · Bronx, NY

4/5 CMS RatingRating period January 2020 to December 2023

OwnershipProfit

ChainDaVita

CMS Certification Number332565

ESRD NetworkNetwork 2

Hemodialysis Stations31

Medicare-Certified SinceDecember 24, 1996

Location170 W. 233RD STREETBronx, NY 10463 · Bronx County

Phone(718) 884-4300

Services Offered

In-center hemodialysis

Patient Survey Results

Nephrologists’ communication and caring

Patients who reported their kidney doctors always communicated well and cared for them as a person.

52% 1/5

Dialysis center care and operations

Patients who reported center staff always communicated well, kept them as comfortable as possible, behaved professionally and kept the center clean.

44% 1/5

Providing information to patients

Patients who reported their kidney doctors and center staff gave them the information they needed to care for their health.

66% 1/5

Rating of the kidney doctors

Patients who rated their kidney doctors 9 or 10 on a scale of 0 (worst) to 10 (best).

38% 1/5

Rating of the dialysis center staff

Patients who rated the center staff 9 or 10 on a scale of 0 (worst) to 10 (best).

28% 1/5

Rating of the dialysis center

Patients who rated the dialysis center 9 or 10 on a scale of 0 (worst) to 10 (best).

24% 1/5

Percentages are patients giving the best possible responses in the In-Center Hemodialysis (ICH CAHPS) patient survey. Star ratings are assigned by CMS on a one-to-five star scale; five is the highest.

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ADVANCED DIAGNOSTIC SERVICES AT KINGSBRIDGE INC

Clinic/Center (Sleep Disorder Diagnostic)

170 W 233RD ST
BRONX, NY 10463

Bronx County (718) 543-0700

DR. DENNY XAVIER RODRIGUEZ M.D.

Family Medicine

170 W 233RD ST
BRONX, NY 10463

Bronx County (718) 543-0700

SEUNGJUN JANG

Physical Therapist

170 W 233RD ST
BRONX, NY 10463

Bronx County (347) 421-8173

KINGSBRIDGE ADULT DAY CARE LLC

Community/Behavioral Health

170 W 233RD ST
BRONX, NY 10463

Bronx County (718) 796-5000

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Knickerbocker Dialysis Inc's NPI number?

The NPI number for Knickerbocker Dialysis Inc is 1568498103. It was assigned to this organization in the NPPES registry on June 24, 2006. The provider is doing business as Riverdale Dialysis Center.

Where is Knickerbocker Dialysis Inc located?

Knickerbocker Dialysis Inc is located at 170 W 233rd St, Bronx, NY 10463. The listed phone number is (718) 884-4300.

What is Knickerbocker Dialysis Inc's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in End-Stage Renal Disease (ESRD) Treatment, with taxonomy code 261QE0700X.

Is Knickerbocker Dialysis Inc a Medicare-certified dialysis facility?

Yes. DaVita Riverdale Dialysis Center is a Medicare-certified dialysis facility, certified since December 24, 1996.

What quality rating does Knickerbocker Dialysis Inc have?

CMS rates DaVita Riverdale Dialysis Center 4 out of 5 stars on Care Compare. The full measure detail is in the Dialysis Facility Quality section above.

What insurance does Knickerbocker Dialysis Inc accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Buckeye Health Plan, Oscar Health Insurance and Oscar Health Maintenance Organization of Florida and 5 other insurers list Knickerbocker Dialysis Inc as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Knickerbocker Dialysis Inc was last updated on August 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.