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NEW ENGLAND NEPHROLOGY ASSOCIATES
NPI 1033261276
Internal Medicine - Nephrology in Norfolk, MA

Active since January 17, 2007
31 PINE ST, SUITE 204, NORFOLK, MA 02056(617) 739-7100(617) 739-7400 Get Directions Write a Review

NPPES record last updated: July 23, 2015. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About New England Nephrology Associates NPPES

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

NEW ENGLAND NEPHROLOGY ASSOCIATES (NPI 1033261276) is a healthcare organization registered as a nephrology in Norfolk, Massachusetts and active in the NPI registry since January 2007. The organization lists Derya B Hazar, Partner, as its authorized official.

NPPES Registry Identity

NPI1033261276
Entity TypeOrganization
Primary Taxonomy207RN0300X
Legal Business NameNEW ENGLAND NEPHROLOGY ASSOCIATES
Location Address31 PINE ST, SUITE 204Norfolk, MA 02056-1642
Mailing Address31 Pine St, Suite 204Norfolk, MA 02056-1642 · (617) 739-7100 · Fax (617) 739-7400
Phone(617) 739-7100
Fax(617) 739-7400
Organization SubpartNo
Authorized OfficialDerya B HazarPartner · (617) 739-2100
Enumeration DateJanuary 17, 2007
Last NPPES UpdateJuly 23, 2015
✔ NPI 1033261276 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.
31 PINE ST, Norfolk, MA 02056
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Other Identifiers 1

Medicaid9713042MA

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

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

New England Nephrology Associates is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

18

Medicare enrollment records show 18 clinicians reassign Medicare billing to New England Nephrology Associates, which bills Medicare for the services they deliver. Of these, 1 practice at this address. They are listed nearest first.

Clinicians by Medicare Specialty 2

Nephrology17
Internal Medicine1

Clinicians, nearest first (18)

Siddharth Bhatt, MD
Nephrology
NPI 1881881258
31 PINE ST STE 204
Norfolk, MA 02056
(508) 623-3852
✔ PECOS✔ Accepts MedicareSame address
Steven Spiegel, M.D.
Nephrology
NPI 1669538591
67 UNION ST
Natick, MA 01760
(508) 650-7890
✔ PECOS✔ Accepts Medicare13 mi
Julia Neuringer, M.D.
Nephrology
NPI 1710933411
2014 WASHINGTON ST. NEWTON/WELLESLEY-NEPHROL
Newton, MA 02461
(617) 244-6940
✔ PECOS✔ Accepts Medicare17 mi
Derya Hazar, M.D.
Nephrology
NPI 1659475366
2100 DORCHESTER AVE SUITE 2204
Dorchester Center, MA 02124
(617) 739-2100
✔ PECOS✔ Accepts Medicare18 mi
Joshua Hundert, M.D.
Nephrology
NPI 1679732317
2100 DORCHESTER AVE STE 2204
Dorchester, MA 02124
(617) 739-2100
✔ PECOS✔ Accepts Medicare18 mi
Hua Lu, MD PHD
Nephrology
NPI 1043288749
1180 BEACON ST STE 4A
Brookline, MA 02446
(617) 934-8493
✔ PECOS✔ Accepts Medicare20 mi
Andrew Allegretti, M.D.
Nephrology
NPI 1427378991
MASSACHUSETTS GENERAL HOSPITAL 55 FRUIT ST.
Boston, MA 02114
(617) 726-5050
✔ PECOS✔ Accepts Medicare22 mi
Pui Cheung, MD
Nephrology
NPI 1699092213
165 CAMBRIDGE ST SUITE 302
Boston, MA 02114
(617) 724-1501
✔ PECOS✔ Accepts Medicare22 mi
Jie Cui, M.D.
Nephrology
NPI 1003078866
165 CAMBRIDGE ST STE 302
Boston, MA 02114
(617) 726-5050
✔ PECOS✔ Accepts Medicare22 mi
Sahir Kalim
Nephrology
NPI 1194984054
165 CAMBRIDGE ST SUITE 302
Boston, MA 02114
(802) 338-7163
✔ PECOS✔ Accepts Medicare22 mi
Sagar Nigwekar, MD
Nephrology
NPI 1710939848
165 CAMBRIDGE ST SUITE 302
Boston, MA 02114
(585) 729-8636
✔ PECOS✔ Accepts Medicare22 mi
Louis Ercolani, M.D.
Nephrology
NPI 1164407516
55 FRUIT ST MASS GENERAL RENAL UNIT
Boston, MA 02114
(617) 726-5050
✔ PECOS✔ Accepts Medicare22 mi
Herbert Lin, MD PHD
Nephrology
NPI 1245211960
55 FRUIT STREET RENAL ASSOCIATES
Boston, MA 02114
(617) 726-5661
✔ PECOS✔ Accepts Medicare22 mi
David Steele, MD
Nephrology
NPI 1659352490
55 FRUIT STREET GRB 1003 RENAL ASSOCIATES
Boston, MA 02114
(617) 726-5050
✔ PECOS✔ Accepts Medicare22 mi
Mohammed Amin Arnaout, MD
Nephrology
NPI 1760473300
149 13TH ST 149 8
Charlestown, MA 02129
(617) 726-5663
✔ PECOS✔ Accepts Medicare23 mi
Jose Teixeira-Da-Silva, MD
Nephrology
NPI 1427108786
47 OBERY ST STE 1A
Plymouth, MA 02360
(508) 747-4883
✔ PECOS✔ Accepts Medicare35 mi
Melanie Greenan, MD
Nephrology
NPI 1790783348
251 WILLOW ST
Yarmouth Port, MA 02675
(508) 778-0375
✔ PECOS✔ Accepts Medicare60 mi
James Reimer, MD
Internal Medicine
NPI 1831140599
251 WILLOW ST
Yarmouth Port, MA 02675
(508) 778-0375
✔ PECOS✔ Accepts Medicare60 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 New England Nephrology Associates's NPI number?

The NPI number for New England Nephrology Associates is 1033261276. It was assigned to this organization in the NPPES registry on January 17, 2007.

Where is New England Nephrology Associates located?

New England Nephrology Associates is located at 31 Pine St Suite 204, Norfolk, MA 02056. The listed phone number is (617) 739-7100.

What is New England Nephrology Associates's specialty?

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

Is New England Nephrology Associates enrolled in Medicare?

Yes. New England Nephrology Associates is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through New England Nephrology Associates?

According to the CMS Revalidation Reassignment List (October 2026 release), 18 clinicians in 2 Medicare specialties reassign their Medicare billing to New England Nephrology Associates. 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 (17) and Internal Medicine (1). Of these, 1 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does New England Nephrology Associates accept?

Health plans from Anthem Blue Cross and Blue Shield list New England Nephrology Associates 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 New England Nephrology Associates was last updated on July 23, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.