RIVERSIDE NEPHROLOGY PC
NPI 1275628174
Internal Medicine - Nephrology in North Andover, MA

Active since October 04, 2006
575 TURNPIKE ST STE 17, NORTH ANDOVER, MA 01845(978) 686-4343(978) 682-5191 Get Directions Write a Review

NPPES record last updated: December 22, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Riverside Nephrology Pc NPPES

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

RIVERSIDE NEPHROLOGY PC (NPI 1275628174) is a healthcare organization registered as a nephrology in North Andover, Massachusetts and active in the NPI registry since October 2006. The organization lists Eduardo S Haddad, President, as its authorized official.

NPPES Registry Identity

NPI1275628174
Entity TypeOrganization
Primary Taxonomy207RN0300X
Legal Business NameRIVERSIDE NEPHROLOGY PC
Location Address575 TURNPIKE ST STE 17North Andover, MA 01845-5937
Mailing Address35 United Drive, Suite 102West Bridgewater, MA 02379-1027 · (508) 238-8646
Fax(978) 682-5191
Organization SubpartNo
Authorized OfficialEduardo S HaddadPresident · (978) 686-4343
Enumeration DateOctober 4, 2006
Last NPPES UpdateDecember 22, 2020
NPPES CertifiedDecember 22, 2020
✔ NPI 1275628174 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.
575 TURNPIKE ST STE 17, North Andover, MA 01845

Other Identifiers 3

Other805418MA · Tufts
Medicaid9783512MA
OtherM16918MA · Blue Cross

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

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Riverside Nephrology Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by February 28, 2027

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date
StateMassachusettsEnrollment IDO20050531000006Non-DME Part B · Clinic/Group PracticeDue dateFebruary 28, 2027
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

3

Medicare enrollment records show 3 clinicians reassign Medicare billing to Riverside Nephrology PC, which bills Medicare for the services they deliver. Of these, 2 practice at this address and 3 within 10 miles. They are listed nearest first.

Clinicians, nearest first (3)

Nephrology
NPI 1124113022
575 TURNPIKE ST STE 17
North Andover, MA 01845
(978) 686-4343
✔ PECOS✔ Accepts MedicareSame address
Internal Medicine
NPI 1053932780
575 TURNPIKE ST STE 17
North Andover, MA 01845
(978) 686-4343
✔ PECOS✔ Accepts MedicareSame address
Nephrology
NPI 1568557460
62 BROWN ST STE 303
Haverhill, MA 01830
(978) 686-4343
✔ PECOS7.8 mi

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

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 Riverside Nephrology PC's NPI number?

The NPI number for Riverside Nephrology PC is 1275628174. It was assigned to this organization in the NPPES registry on October 4, 2006.

Where is Riverside Nephrology PC located?

Riverside Nephrology PC is located at 575 Turnpike St Ste 17, North Andover, MA 01845. The listed phone number is (978) 686-4343.

What is Riverside Nephrology PC's specialty?

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

Is Riverside Nephrology PC enrolled in Medicare?

Yes. Riverside Nephrology PC is registered in the Medicare PECOS enrollment system.

When is Riverside Nephrology PC's Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (Massachusetts, Clinic/Group Practice) is due for revalidation by February 28, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through Riverside Nephrology PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians reassign their Medicare billing to Riverside Nephrology PC, in Internal Medicine and Nephrology. 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. Of these, 2 practice at this address and 3 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Riverside Nephrology PC accept?

Health plans from Anthem Blue Cross and Blue Shield list Riverside Nephrology PC 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 Riverside Nephrology PC was last updated on December 22, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.