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NEPHROLOGY ASSOCIATES MEDICAL GROUP INC
NPI 1447200126
Internal Medicine - Nephrology in Riverside, CA

Active since May 11, 2006CLIA Certified · 4 labs
3660 PARK SIERRA DR STE 208, RIVERSIDE, CA 92505(951) 687-2800(951) 687-7290 Get Directions Write a Review

NPPES record last updated: June 4, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jun 4, 2026, Mar 26, 2026, Mar 18, 2026 and 2 more (5 updates tracked since 2022).

About Nephrology Associates Medical Group Inc NPPES

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

NEPHROLOGY ASSOCIATES MEDICAL GROUP INC (NPI 1447200126) is a healthcare organization registered as a nephrology in Riverside, California and active in the NPI registry since May 2006. The organization holds 4 active CLIA laboratory certificates, maintains 15 additional practice locations, and lists Dalia Dawoud Zaky, Ao, as its authorized official.

NPPES Registry Identity

NPI1447200126
Entity TypeOrganization
Primary Taxonomy207RN0300X
Legal Business NameNEPHROLOGY ASSOCIATES MEDICAL GROUP INC
Location Address3660 PARK SIERRA DR STE 208Riverside, CA 92505-3071
Mailing Address3660 Park Sierra Dr Ste 203Riverside, CA 92505-3071 · (951) 687-3400 · Fax (951) 687-7630
Phone(951) 687-2800
Fax(951) 687-7290
Organization SubpartNo
Authorized OfficialDalia Dawoud ZakyAo · (951) 687-2800
Enumeration DateMay 11, 2006
Last NPPES UpdateJune 4, 20265 updates tracked since enumeration
NPPES CertifiedJune 4, 2026
✔ NPI 1447200126 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
3660 PARK SIERRA DR STE 208, Riverside, CA 92505
Open in Google Maps ↗

Secondary Practice Locations 15

Location 131537 Rancho Pueblo Rd Ste 201Temecula, CA 92592-4841 · Phone (951) 687-7140 · Fax (951) 303-3565
Location 23660 Park Sierra Dr Ste 203Riverside, CA 92505-3071 · Phone (951) 687-3400 · Fax (951) 687-7630
Location 34334 Central AveRiverside, CA 92506-2918 · Phone (951) 248-1291
Location 41901 Town and Country Dr Ste 102Norco, CA 92860-3611 · Phone (951) 736-8100 · Fax (951) 736-8787
Location 522555 Alessandro Blvd Ste BMoreno Valley, CA 92553-8533 · Phone (951) 656-7081 · Fax (951) 656-1710
Location 627851 Bradley Rd Ste 125Menifee, CA 92586-2282 · Phone (951) 672-7967 · Fax (951) 246-3747
Location 7425 Diamond Dr Ste 102Lake Elsinore, CA 92530-4495 · Phone (951) 687-7140 · Fax (951) 303-3565
Location 87223 Church St Ste A20Highland, CA 92346-5812 · Phone (909) 882-0702 · Fax (909) 886-6704
Location 93989 W Stetson Ave Ste 202Hemet, CA 92545-9697 · Phone (951) 652-3558 · Fax (951) 652-5547
Location 1012523 Limonite Ave Ste 400Eastvale, CA 91752-3666 · Phone (951) 398-6868 · Fax (951) 221-8501
Location 112057 Compton Ave Ste 102Corona, CA 92881-7295 · Phone (951) 736-6757 · Fax (951) 736-0167
Location 12264 N Highland Springs Ave Ste 3BBanning, CA 92220-3085 · Phone (951) 769-9776 · Fax (951) 769-9026
Location 1336320 Inland Valley Dr Ste 307Wildomar, CA 92595-7512 · Phone (951) 600-7140 · Fax (951) 600-7164
Location 14401 E Highland Ave Ste 551San Bernardino, CA 92404-3840 · Phone (909) 882-9150 · Fax (909) 883-8972
Location 1542362 Bob Hope Dr Ste 1Rancho Mirage, CA 92270-4483 · Phone (760) 341-4839 · Fax (760) 340-3536

Other Identifiers 6

MedicaidGR0071423CA
Medicaid1447200126CA
MedicaidGR0071424CA
MedicaidGR0071421CA
MedicaidGR0071422CA
MedicaidGR0071420CA

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X MULTIPLE SINGLE SPECIALTY GROUP

CLIA Laboratory Certificates CMS CLIA 4

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 05D1063894

Nephrology Associates Medical Group Inc · Moreno Valley, CA
Active · expires Jan 23, 2027
CLIA Number05D1063894
Laboratory TypePhysician Office
Certificate Effective DateJanuary 24, 2025
Certificate Expiration DateJanuary 23, 2027
Laboratory DirectorYogesh M. Patel
Laboratory Phone(951) 656-7081
Laboratory LocationNephrology Associates Medical Group Inc22555 Alessandro Blvd Suite B, Moreno Valley, CA 92553
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 05D1063895

Nephrology Associates Medical Group Inc · Hemet, CA
Active · expires Jan 23, 2027
CLIA Number05D1063895
Laboratory TypePhysician Office
Certificate Effective DateJanuary 24, 2025
Certificate Expiration DateJanuary 23, 2027
Laboratory DirectorDarshan K. Dhiman
Laboratory Phone(951) 652-3558
Laboratory LocationNephrology Associates Medical Group Inc3989 W Stetson Ave Ste 202, Hemet, CA 92545
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Certificate for Provider-Performed Microscopy Procedures (PPMP) 05D0865786

Nephrology Associates Medical Group, Inc · Corona, CA
Active · expires Aug 31, 2026
CLIA Number05D0865786
Laboratory TypePhysician Office
Certificate Effective DateSeptember 1, 2024
Certificate Expiration DateAugust 31, 2026
Laboratory DirectorChao H. Sun
Laboratory Phone(951) 736-6757
Laboratory LocationNephrology Associates Medical Group, Inc2057 Compton Ave Ste 102, Corona, CA 92881
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform waived tests.

Certificate of Waiver 05D1091238

Nephrology Associates Access Center · Riverside, CA
Active · expires Oct 27, 2026
CLIA Number05D1091238
Laboratory TypePhysician Office
Certificate Effective DateOctober 28, 2024
Certificate Expiration DateOctober 27, 2026
Laboratory DirectorDalia Dawoud
Laboratory Phone(951) 248-1291
Laboratory LocationNephrology Associates Access Center4100 Latham St Suite A, Riverside, CA 92501
CLIA data matches this NPI record on: Phone
This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES 5

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

KIROLLOS ZAKI D.O
Internal Medicine (Nephrology)
3660 PARK SIERRA DR STE 208
RIVERSIDE, CA 92505
Riverside County (951) 687-2800
SIBLE REBELLO
Nurse Practitioner
3660 PARK SIERRA DR STE 208
RIVERSIDE, CA 92505
Riverside County (951) 687-3400
MRS. LERMA MALOMA DACASIN FNP-C
Nurse Practitioner (Family)
3660 PARK SIERRA DR STE 208
RIVERSIDE, CA 92505
Riverside County (951) 687-2800
LAURA LOUISE RIGBY NP
Nurse Practitioner (Family)
3660 PARK SIERRA DR STE 208
RIVERSIDE, CA 92505
Riverside County (951) 687-2800
RICHARD ERIC OFFEMARIA ATANGAN FNP-BC, NP-C
Nurse Practitioner (Family)
3660 PARK SIERRA DR STE 208
RIVERSIDE, CA 92505
Riverside County (951) 687-2800

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 Nephrology Associates Medical Group Inc's NPI number?

The NPI number for Nephrology Associates Medical Group Inc is 1447200126. It was assigned to this organization in the NPPES registry on May 11, 2006.

Where is Nephrology Associates Medical Group Inc located?

Nephrology Associates Medical Group Inc is located at 3660 Park Sierra Dr Ste 208, Riverside, CA 92505. The listed phone number is (951) 687-2800.

What is Nephrology Associates Medical Group Inc's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Does Nephrology Associates Medical Group Inc hold CLIA laboratory certificates?

Yes. 4 active CLIA laboratory certificates are associated with this NPI under the federal Clinical Laboratory Improvement Amendments program. The certificates are listed in the CLIA Laboratory Certificates section above.

When was this NPI record last updated?

The NPPES record for Nephrology Associates Medical Group Inc was last updated on June 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.