1. Home
  2. Directory
  3. Michigan
  4. Flint
  5. Internal Medicine
  6. NPI Profile

NAJJAR INFECTIOUS DISEASE PC
NPI 1528105772
Internal Medicine - Infectious Disease in Flint, MI

Active since January 30, 2007
5084 VILLA LINDE PKWY, SUITE 5, FLINT, MI 48532(810) 732-3812(810) 733-8135 Get Directions Write a Review

NPPES record last updated: October 28, 2011. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Najjar Infectious Disease Pc NPPES

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

NAJJAR INFECTIOUS DISEASE PC (NPI 1528105772) is a healthcare organization registered as an infectious disease in Flint, Michigan and active in the NPI registry since January 2007. The organization lists Mazen Najjar, Owner President, as its authorized official.

NPPES Registry Identity

NPI1528105772
Entity TypeOrganization
Primary Taxonomy207RI0200X
Legal Business NameNAJJAR INFECTIOUS DISEASE PC
Location Address5084 VILLA LINDE PKWY, SUITE 5Flint, MI 48532-3422
Mailing AddressPo Box 78000, Department Number 78038Detroit, MI 48278-0001 · (810) 230-0338
Phone(810) 732-3812
Fax(810) 733-8135
Organization SubpartNo
Authorized OfficialMazen NajjarOwner President · (810) 732-3812
Enumeration DateJanuary 30, 2007
Last NPPES UpdateOctober 28, 2011
✔ NPI 1528105772 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
License✔ Licensed in MI · 4301087544
Definition
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.
5084 VILLA LINDE PKWY, Flint, MI 48532
Open in Google Maps ↗

Other Identifiers 1

Medicare UPINI23701MI

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)

Najjar Infectious Disease Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Najjar Infectious Disease PC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Mazen Najjar, M.D.
Infectious Disease
NPI 1245342393
4644 GENESYS PKWY
Grand Blanc, MI 48439
(810) 606-7125
✔ 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.

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 Najjar Infectious Disease PC's NPI number?

The NPI number for Najjar Infectious Disease PC is 1528105772. It was assigned to this organization in the NPPES registry on January 30, 2007.

Where is Najjar Infectious Disease PC located?

Najjar Infectious Disease PC is located at 5084 Villa Linde Pkwy Suite 5, Flint, MI 48532. The listed phone number is (810) 732-3812.

What is Najjar Infectious Disease PC's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Is Najjar Infectious Disease PC enrolled in Medicare?

Yes. Najjar Infectious Disease PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Najjar Infectious Disease PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Infectious Disease) reassigns their Medicare billing to Najjar Infectious Disease 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 Najjar Infectious Disease PC was last updated on October 28, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.