1. Home
  2. Directory
  3. New Jersey
  4. Trenton
  5. Internal Medicine
  6. NPI Profile

MERCER MEDICAL ASSOCIATES
NPI 1366471203
Internal Medicine - Nephrology in Trenton, NJ

Active since July 02, 2006
40 FULD STREET, SUITE 401, TRENTON, NJ 08638(609) 599-1004(609) 599-3611 Get Directions Write a Review

NPPES record last updated: September 26, 2007. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Mercer Medical Associates NPPES

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

MERCER MEDICAL ASSOCIATES (NPI 1366471203) is a healthcare organization registered as a nephrology in Trenton, New Jersey and active in the NPI registry since July 2006. The organization lists Barry H Cohen, President, as its authorized official.

NPPES Registry Identity

NPI1366471203
Entity TypeOrganization
Primary Taxonomy207RN0300X
Legal Business NameMERCER MEDICAL ASSOCIATES
Location Address40 FULD STREET, SUITE 401Trenton, NJ 08638
Mailing Address40 Fuld Street, Suite 401Trenton, NJ 08638 · (609) 599-1004 · Fax (609) 599-3611
Phone(609) 599-1004
Fax(609) 599-3611
Organization SubpartNo
Authorized OfficialBarry H CohenPresident · (609) 599-1004
Enumeration DateJuly 2, 2006
Last NPPES UpdateSeptember 26, 2007
✔ NPI 1366471203 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.
40 FULD STREET, Trenton, NJ 08638
Open in Google Maps ↗

Other Identifiers 2

Medicare ID-Type UnspecifiedME135265
Medicaid2782308NJ

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 Ambetter Health, Ambetter Health of Delaware.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)

Mercer Medical Associates is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

5

Medicare enrollment records show 5 clinicians reassign Medicare billing to Mercer Medical Associates, which bills Medicare for the services they deliver. Of these, 4 practice at this address. They are listed nearest first.

Clinicians, nearest first (5)

Barry Cohen, M.D.
Nephrology
NPI 1104856616
40 FULD ST. STE 401
Trenton, NJ 08638
(609) 599-1004
✔ PECOS✔ Accepts MedicareSame address
Steven Cohen, DO.
Nephrology
NPI 1659301166
40 FULD ST STE 401
Trenton, NJ 08638
(609) 599-1004
✔ PECOS✔ Accepts MedicareSame address
Asher Hussain, M.D.
Nephrology
NPI 1780921288
40 FULD ST STE 401
Trenton, NJ 08638
(908) 642-7533
✔ PECOS✔ Accepts MedicareSame address
Iram Mahmood Arif, MD
Nephrology
NPI 1215059605
40 FULD ST. STE. 401
Trenton, NJ 08638
(609) 599-1004
✔ PECOS✔ Accepts MedicareSame address
David Pai, M.D.
Nephrology
NPI 1134173222
12000 MCCRACKEN RD
Garfield Heights, OH 44125
(216) 510-4765
✔ PECOS✔ Accepts Medicare368 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 Mercer Medical Associates's NPI number?

The NPI number for Mercer Medical Associates is 1366471203. It was assigned to this organization in the NPPES registry on July 2, 2006.

Where is Mercer Medical Associates located?

Mercer Medical Associates is located at 40 Fuld Street Suite 401, Trenton, NJ 08638. The listed phone number is (609) 599-1004.

What is Mercer Medical Associates's specialty?

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

Is Mercer Medical Associates enrolled in Medicare?

Yes. Mercer Medical Associates is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Mercer Medical Associates?

According to the CMS Revalidation Reassignment List (October 2026 release), 5 clinicians, all in Nephrology, reassign their Medicare billing to Mercer Medical 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. Of these, 4 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Mercer Medical Associates accept?

Health plans from Ambetter Health and Ambetter Health of Delaware list Mercer Medical 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 Mercer Medical Associates was last updated on September 26, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.