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NEPHROLOGY SPECIALISTS MEDICAL GROUP, INC.
NPI 1568424679
Specialist in Orange, CA

Active since April 04, 2006CLIA Certified · 2 labs
705 W LA VETA AVE STE 107, ORANGE, CA 92868(714) 639-4901(714) 771-5389 Get Directions Write a Review

NPPES record last updated: May 30, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: May 30, 2025, Mar 1, 2019 (2 updates tracked since 2019).

About Nephrology Specialists Medical Group, Inc. NPPES

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

NEPHROLOGY SPECIALISTS MEDICAL GROUP, INC. (NPI 1568424679) is a healthcare organization registered as a specialist in Orange, California and active in the NPI registry since April 2006. The organization holds 2 active CLIA laboratory certificates, maintains a secondary practice location in Newport Beach, and lists Amer Jabara, President, as its authorized official.

NPPES Registry Identity

NPI1568424679
Entity TypeOrganization
Primary Taxonomy174400000X
Legal Business NameNEPHROLOGY SPECIALISTS MEDICAL GROUP, INC.
Location Address705 W LA VETA AVE STE 107Orange, CA 92868
Mailing Address705 W La Veta Ave Ste 107Orange, CA 92868-4447 · (714) 693-7901 · Fax (714) 771-5389
Phone(714) 639-4901
Fax(714) 771-5389
Organization SubpartNo
Authorized OfficialAmer JabaraPresident · (714) 639-4901
Enumeration DateApril 4, 2006
Last NPPES UpdateMay 30, 20252 updates tracked since enumeration
NPPES CertifiedMay 30, 2025
✔ NPI 1568424679 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
705 W LA VETA AVE STE 107, Orange, CA 92868
Open in Google Maps ↗

Secondary Practice Location 1

Location 1361 Hospital Rd Ste 227Newport Beach, CA 92663-3523 · Phone (949) 631-9215

Other Identifiers 2

MedicaidZZZ73100ZCA
MedicaidZZZ81344ZCA

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 SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Nephrology Specialists Medical Group, Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

7

Medicare enrollment records show 7 clinicians reassign Medicare billing to Nephrology Specialists Medical Group, Inc., which bills Medicare for the services they deliver. Of these, 3 practice at this address and 4 within 10 miles. They are listed nearest first.

Clinicians, nearest first (7)

Joyce Chung, MSN, AGACNP-BC
Nurse Practitioner
NPI 1851944821
705 W LA VETA AVE STE 107
Orange, CA 92868
(714) 639-4901
✔ PECOS✔ Accepts MedicareSame address
Amer Jabara, M.D.
Nephrology
NPI 1760475701
705 W LA VETA AVE STE 107
Orange, CA 92868
(714) 639-4901
✔ PECOS✔ Accepts MedicareSame address
Linh Thong, M.D.
Nephrology
NPI 1154510386
705 W LA VETA AVE STE 107
Orange, CA 92868
(714) 639-4901
✔ PECOS✔ Accepts MedicareSame address
Antoney Ferrey, M.D.
Nephrology
NPI 1831458827
101 THE CITY DR S
Orange, CA 92868
(714) 880-7812
✔ PECOS✔ Accepts Medicare1.8 mi
Glenn Chiang, M.D.
Nephrology
NPI 1285697227
520 SUPERIOR AVE SUITE 340
Newport Beach, CA 92663
(949) 631-9215
✔ PECOS✔ Accepts Medicare11 mi
Bryan Dang, M.D.
Nephrology
NPI 1619991742
520 SUPERIOR AVE SUITE 340
Newport Beach, CA 92663
(949) 631-9215
✔ PECOS11 mi
Sarah Lee, M.D., PH.D.
Nephrology
NPI 1700923042
520 SUPERIOR AVE STE 340
Newport Beach, CA 92663
(949) 631-9215
✔ PECOS✔ Accepts Medicare11 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

CLIA Laboratory Certificates CMS CLIA 2

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 for Provider-Performed Microscopy Procedures (PPMP) 05D0861129

Nephrology Specialists Medical Group Inc · Newport Beach, CA
Active · expires Aug 31, 2028
CLIA Number05D0861129
Laboratory TypePhysician Office
Certificate Effective DateSeptember 1, 2026
Certificate Expiration DateAugust 31, 2028
Laboratory DirectorLinh L. Thong
Laboratory Phone(714) 639-4901
Laboratory LocationNephrology Specialists Medical Group Inc361 Hospital Rd Ste 227, Newport Beach, CA 92663
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 for Provider-Performed Microscopy Procedures (PPMP) 05D0579139

Nephrology Specialists Group Inc · Orange, CA
Active · expires Aug 31, 2028
CLIA Number05D0579139
Laboratory TypePhysician Office
Certificate Effective DateSeptember 1, 2026
Certificate Expiration DateAugust 31, 2028
Laboratory DirectorLinh L. Thong
Laboratory Phone(714) 639-4901
Laboratory LocationNephrology Specialists Group Inc705 West La Veta Ave, Ste 107, Orange, CA 92868
CLIA data matches this NPI record on: Address 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.

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 Specialists Medical Group, Inc.'s NPI number?

The NPI number for Nephrology Specialists Medical Group, Inc. is 1568424679. It was assigned to this organization in the NPPES registry on April 4, 2006.

Where is Nephrology Specialists Medical Group, Inc. located?

Nephrology Specialists Medical Group, Inc. is located at 705 W La Veta Ave Ste 107, Orange, CA 92868. The listed phone number is (714) 639-4901.

What is Nephrology Specialists Medical Group, Inc.'s specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is Nephrology Specialists Medical Group, Inc. enrolled in Medicare?

Yes. Nephrology Specialists Medical Group, Inc. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Nephrology Specialists Medical Group, Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 7 clinicians in 2 Medicare specialties reassign their Medicare billing to Nephrology Specialists Medical Group, Inc.. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Nephrology (6) and Nurse Practitioner (1). Of these, 3 practice at this address and 4 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Nephrology Specialists Medical Group, Inc. hold CLIA laboratory certificates?

Yes. 2 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 Specialists Medical Group, Inc. was last updated on May 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.