SAN MARCOS DIALYSIS LLC
NPI 1255506036
Clinic/Center - End-Stage Renal Disease (ESRD) Treatment in San Marcos, CA

Q: What is San Marcos Dialysis LLC's NPI number?

The NPI number for San Marcos Dialysis LLC is 1255506036. It was assigned to this organization in the NPPES registry on April 23, 2008. The provider is doing business as San Marcos Dialysis Center.

Q: What is San Marcos Dialysis LLC'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 San Marcos Dialysis LLC have?

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

Active since April 23, 2008CLIA 05D1092368 · Waiver

4/5

Overall Rating

2135 MONTIEL RD, BLDG B, SAN MARCOS, CA 92069(760) 975-0170(760) 975-0177 Get Directions Write a Review

NPPES record last updated: November 13, 2025. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Nov 13, 2025, Jun 6, 2024, Oct 9, 2018 (3 updates tracked since 2018).

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About San Marcos Dialysis Llc NPPES

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

SAN MARCOS DIALYSIS LLC (NPI 1255506036), doing business as San Marcos Dialysis Center, is a healthcare organization registered as an end-stage renal disease (esrd) treatment in San Marcos, California and active in the NPI registry since April 2008. The organization holds a CLIA Waiver certificate valid through November 20, 2026 and lists Samuel Wey, Vp, Licensure & Certification, as its authorized official.

NPPES Registry Identity

NPI1255506036

Entity TypeOrganization

Primary Taxonomy261QE0700X

Legal Business NameSAN MARCOS DIALYSIS LLC

Location Address2135 MONTIEL RD, BLDG BSan Marcos, CA 92069-3511

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

Phone(760) 975-0170

Fax(760) 975-0177

Organization SubpartNo

Authorized OfficialSamuel WeyVp, Licensure & Certification · (615) 341-6641

Enumeration DateApril 23, 2008

Last NPPES UpdateNovember 13, 20253 updates tracked since enumeration

NPPES CertifiedNovember 13, 2025

✔ NPI 1255506036 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

License✔ Licensed in CA · 550000991

2135 MONTIEL RD, San Marcos, CA 92069

Open in Google Maps ↗

Other Names 1

Doing Business AsSan Marcos Dialysis Center

Other Identifiers 1

Medicaid1255506036CA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Superior HealthPlan, Ambetter Health and more.Insurance ›

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 05D1092368

San Marcos Dialysis Center · San Marcos, CA

Active · expires Nov 20, 2026

CLIA Number05D1092368

Laboratory TypeEnd Stage Renal Disease Dialysis Facility

Certificate Effective DateNovember 21, 2024

Certificate Expiration DateNovember 20, 2026

Laboratory DirectorOsman Khawar

Laboratory Phone(760) 975-0170

Laboratory LocationSan Marcos Dialysis Center2135 Montiel Rd Bldg B, San Marcos, CA 92069

CLIA data matches this NPI record on: Address Name Phone

This certificate is issued to a laboratory to perform only waived tests.

Dialysis Facility Quality Ratings CMS Care Compare

Quality ratings, services and patient survey results for DaVita San Marcos Dialysis Center (CMS certification number 552618), from CMS Care Compare.

DaVita San Marcos Dialysis Center

Dialysis facility · San Marcos, CA

4/5 CMS RatingRating period January 2020 to December 2023

OwnershipProfit

ChainDaVita

CMS Certification Number552618

ESRD NetworkNetwork 18

Hemodialysis Stations20

Medicare-Certified SinceMay 20, 2009

Location2135 Montiel Road, Bldg. BSan Marcos, CA 92069 · San Diego County

Phone(760) 975-0170

Services Offered

In-center hemodialysis Peritoneal dialysis Home hemodialysis training Evening shifts (after 5 PM)

Patient Survey Results

Nephrologists’ communication and caring

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

69% 4/5

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.

61% 3/5

Providing information to patients

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

78% 3/5

Rating of the kidney doctors

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

57% 3/5

Rating of the dialysis center staff

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

64% 4/5

Rating of the dialysis center

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

70% 3/5

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.

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 San Marcos Dialysis LLC's NPI number?

The NPI number for San Marcos Dialysis LLC is 1255506036. It was assigned to this organization in the NPPES registry on April 23, 2008. The provider is doing business as San Marcos Dialysis Center.

Where is San Marcos Dialysis LLC located?

San Marcos Dialysis LLC is located at 2135 Montiel Rd Bldg B, San Marcos, CA 92069. The listed phone number is (760) 975-0170.

What is San Marcos Dialysis LLC's specialty?

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

Does San Marcos Dialysis LLC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D1092368) is associated with this NPI, valid through November 20, 2026. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

Is San Marcos Dialysis LLC a Medicare-certified dialysis facility?

Yes. DaVita San Marcos Dialysis Center is a Medicare-certified dialysis facility, certified since May 20, 2009.

What quality rating does San Marcos Dialysis LLC have?

CMS rates DaVita San Marcos 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 San Marcos Dialysis LLC accept?

Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Ambetter from Superior HealthPlan and UnitedHealthcare list San Marcos Dialysis LLC 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 San Marcos Dialysis LLC was last updated on November 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months 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.