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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MEDICAL DIAGNOSTIC NEPHROLOGY, PC
NPI 1558532242
Internal Medicine in Bronx, NY

Active since March 20, 2008
2409 BARKER AVE, BRONX, NY 10467(718) 231-7800(718) 231-7850 Get Directions Write a Review

NPPES record last updated: November 3, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Medical Diagnostic Nephrology, Pc NPPES

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

MEDICAL DIAGNOSTIC NEPHROLOGY, PC (NPI 1558532242) is a healthcare organization registered as an internal medicine in Bronx, New York and active in the NPI registry since March 2008. The organization lists Jacquelyn B Afari, President, as its authorized official.

NPPES Registry Identity

NPI1558532242
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameMEDICAL DIAGNOSTIC NEPHROLOGY, PC
Location Address2409 BARKER AVEBronx, NY 10467-7601
Mailing Address2409 Barker AveBronx, NY 10467-7601 · (718) 231-7800 · Fax (718) 231-7850
Phone(718) 231-7800
Fax(718) 231-7850
Organization SubpartNo
Authorized OfficialJacquelyn B AfariPresident · (718) 231-7800
Enumeration DateMarch 20, 2008
Last NPPES UpdateNovember 3, 2026
NPPES CertifiedNovember 3, 2026
✔ NPI 1558532242 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in NY · 206326
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
2409 BARKER AVE, Bronx, NY 10467
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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, revalidation and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

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

Medicare Revalidation Due Date

Revalidation due by November 30, 2026

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
StateNew YorkEnrollment IDO20040609001484Non-DME Part B · Clinic/Group PracticeDue dateNovember 30, 2026
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Medical Diagnostic Nephrology, PC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Jacquelyn Afari, M.D.
Internal Medicine
NPI 1376581298
2409 BARKER AVENUE 1ST FLOOR
Bronx, NY 10467
(718) 231-7800
✔ PECOSSame address

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 Medical Diagnostic Nephrology, PC's NPI number?

The NPI number for Medical Diagnostic Nephrology, PC is 1558532242. It was assigned to this organization in the NPPES registry on March 20, 2008.

Where is Medical Diagnostic Nephrology, PC located?

Medical Diagnostic Nephrology, PC is located at 2409 Barker Ave, Bronx, NY 10467. The listed phone number is (718) 231-7800.

What is Medical Diagnostic Nephrology, PC's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Medical Diagnostic Nephrology, PC enrolled in Medicare?

Yes. Medical Diagnostic Nephrology, PC is registered in the Medicare PECOS enrollment system.

When is Medical Diagnostic 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 (New York, Clinic/Group Practice) is due for revalidation by November 30, 2026. 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 Medical Diagnostic Nephrology, PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Medical Diagnostic Nephrology, PC. 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Medical Diagnostic Nephrology, PC was last updated on November 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 days 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.