MARC NAJJAR M.D.
NPI 1427443498
Surgery in Ann Arbor, MI

Q: What is Marc Najjar's NPI number?

The NPI number for Marc Najjar is 1427443498. It was assigned to this individual provider in the NPPES registry on April 6, 2015.

Q: What is Marc Najjar's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Q: When was this NPI record last updated?

The NPPES record for Marc Najjar was last updated on August 2, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.

Active since April 06, 2015PECOS Enrolled

1500 E MEDICAL CENTER DR, ANN ARBOR, MI 48109(734) 936-4000 Get Directions Write a Review

NPPES record last updated: August 2, 2022. Verified against the NPPES registry weekly; last sync: November 08, 2026.

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About Marc Najjar M.d. NPPES

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

MARC NAJJAR M.D. (NPI 1427443498) is an individual surgery provider in Ann Arbor, Michigan, licensed in Michigan (4301506705) and active in the NPI registry since April 2015. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1427443498

Entity TypeIndividualMale

Primary Taxonomy208600000X

Provider Legal NameMARC NAJJARCredential: M.D.

Location Address1500 E MEDICAL CENTER DRAnn Arbor, MI 48109-5000

Mailing Address3621 S State StAnn Arbor, MI 48108-1633 · (734) 647-5299

Phone(734) 936-4000

Sole ProprietorNo

Enumeration DateApril 6, 2015

Last NPPES UpdateAugust 2, 2022

NPPES CertifiedAugust 2, 2022

✔ NPI 1427443498 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians

Taxonomy Code208600000X

License✔ Licensed in MI · 4301506705

Definition

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

1500 E MEDICAL CENTER DR, Ann Arbor, MI 48109

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Marc Najjar M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Marc Najjar reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Healthtexas Provider Network

951 mi

Family Medicine

6435 S FM 549, STE 201
Heath, TX 75032

Reassigned Medicare billing, Texas enrollment
3,167 clinicians in this Medicare group

NPI 1538164116 (972) 771-9155

Surgery Associates Of Ntx, PLLC

962 mi

Surgery

3322 COLORADO BLVD, SUITE 101
Denton, TX 76210

Reassigned Medicare billing, Texas enrollment
74 clinicians in this Medicare group

NPI 1134522691 (940) 387-7588

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48109 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$90.76 typical visit price

range $58.04 – $177.36

Typical copayment $22.69 (range $14.51 – $44.34)

Most-billed visit code 99203

Established Patient

$72.38 typical visit price

range $18.32 – $143.49

Typical copayment $18.09 (range $4.58 – $35.87)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

LOKMAN SUNG MD

Pathology (Forensic Pathology)

1500 E MEDICAL CENTER DR, 2ND FLOOR UNIVERSITY HOSPITAL RECP PATHOLOGY
ANN ARBOR, MI 48109

Washtenaw County (800) 862-7284

SAMEER DEV SAINI M.D.

Internal Medicine (Gastroenterology)

1500 E MEDICAL CENTER DR
ANN ARBOR, MI 48109

Washtenaw County (734) 936-4000

KYLE DAVID PERRY MD

Pathology (Cytopathology)

1500 E MEDICAL CENTER DR
ANN ARBOR, MI 48109

Washtenaw County (734) 936-4000

DR. DAVID ALEXANDER STEWART M.D.

Pediatrics

1500 E MEDICAL CENTER DR, 12TH FLOOR C.S. MOTT CHILDREN'S HOSPITAL ROOM 525
ANN ARBOR, MI 48109

Washtenaw County (734) 763-5302

DR. MICHAEL EDMUND WATSON MD

Pediatrics (Pediatric Infectious Diseases)

1500 E MEDICAL CENTER DR
ANN ARBOR, MI 48109

Washtenaw County (734) 936-4000

CARRIE KRAEGER PORTER PA-C

Physician Assistant

1500 E MEDICAL CENTER DR
ANN ARBOR, MI 48109

Washtenaw County (734) 936-6666

DENISE LYNN BERRY CRNA

Nurse Anesthetist, Certified Registered

1500 E MEDICAL CENTER DR
ANN ARBOR, MI 48109

Washtenaw County (734) 936-4000

KETTI SOPHIA PETERSEN MD

Family Medicine (Hospice and Palliative Medicine)

1500 E MEDICAL CENTER DR
ANN ARBOR, MI 48109

Washtenaw County (734) 936-4000

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 Marc Najjar's NPI number?

The NPI number for Marc Najjar is 1427443498. It was assigned to this individual provider in the NPPES registry on April 6, 2015.

Where is Marc Najjar located?

Marc Najjar practices at 1500 E Medical Center Dr, Ann Arbor, MI 48109. The listed phone number is (734) 936-4000.

What is Marc Najjar's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Marc Najjar enrolled in Medicare?

Yes. Marc Najjar is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Marc Najjar's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marc Najjar reassigns Medicare benefits to 2 organizations: Healthtexas Provider Network (Heath, TX) and Surgery Associates Of Ntx, PLLC (Denton, TX). Each 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 Marc Najjar's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Marc Najjar was last updated on August 2, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.