MR. WISSAM E. MATTAR MD
NPI 1831358092
Internal Medicine - Gastroenterology in Scottsdale, AZ

Q: What is Wissam Mattar's NPI number?

The NPI number for Wissam Mattar is 1831358092. It was assigned to this individual provider in the NPPES registry on June 3, 2008.

Q: What is Wissam Mattar's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Q: When was this NPI record last updated?

The NPPES record for Wissam Mattar was last updated on September 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months 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 June 03, 2008PECOS EnrolledAccepts Medicare Assignment

9201 E MOUNTAIN VIEW RD STE 105, SCOTTSDALE, AZ 85258(480) 587-6614(480) 882-5809 Get Directions Write a Review

NPPES record last updated: September 4, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

On this page

About Mr. Wissam E. Mattar Md NPPES

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

MR. WISSAM E. MATTAR MD (NPI 1831358092) is an individual gastroenterology provider in Scottsdale, Arizona, licensed in Arizona (59625) and active in the NPI registry since June 2008. He is enrolled in Medicare PECOS and is a graduate of Other (2004).

NPPES Registry Identity

NPI1831358092

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameMR. WISSAM E. MATTARCredential: MD

Location Address9201 E MOUNTAIN VIEW RD STE 105Scottsdale, AZ 85258-5140

Mailing Address9201 E Mountain View Rd Ste 105Scottsdale, AZ 85258-5140 · (480) 587-6614

Phone(480) 587-6614

Fax(480) 882-5809

Sole ProprietorNo

Medical School CMSOtherGraduated 2004

Enumeration DateJune 3, 2008

Last NPPES UpdateSeptember 4, 2025

NPPES CertifiedSeptember 4, 2025

✔ NPI 1831358092 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in AZ · 59625

Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

9201 E MOUNTAIN VIEW RD STE 105, Scottsdale, AZ 85258

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, AmeriHealth Caritas Next, Blue Cross Blue Shield of Arizona and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mr. Wissam E. Mattar Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8527237577

PECOS Enrollment IDI20250811001746

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.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385

This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.

12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85258 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

$127.71 typical visit price

range $55.44 – $168.60

Typical copayment $31.92 (range $13.86 – $42.15)

Most-billed visit code 99204

Established Patient

$98.00 typical visit price

range $17.72 – $137.41

Typical copayment $24.50 (range $4.43 – $34.35)

Most-billed visit code 99214

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 4

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

JULIANA M COTTON ACNP

Nurse Practitioner (Acute Care)

9201 E MOUNTAIN VIEW RD STE 105
SCOTTSDALE, AZ 85258

Maricopa County (480) 882-7490

HONORHEALTH AMBULATORY

Internal Medicine (Gastroenterology)

9201 E MOUNTAIN VIEW RD STE 105
SCOTTSDALE, AZ 85258

Maricopa County (480) 882-7490

NAVROOP KANWAL NAGRA M.D

Internal Medicine (Gastroenterology)

9201 E MOUNTAIN VIEW RD STE 105
SCOTTSDALE, AZ 85258

Maricopa County (480) 882-7490

DR. ANDREW NELS WALLACE D.O.

Internal Medicine (Infectious Disease)

9201 E MOUNTAIN VIEW RD STE 105
SCOTTSDALE, AZ 85258

Maricopa County (480) 587-6970

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 Wissam Mattar's NPI number?

The NPI number for Wissam Mattar is 1831358092. It was assigned to this individual provider in the NPPES registry on June 3, 2008.

Where is Wissam Mattar located?

Wissam Mattar practices at 9201 E Mountain View Rd Ste 105, Scottsdale, AZ 85258. The listed phone number is (480) 587-6614.

What is Wissam Mattar's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Wissam Mattar enrolled in Medicare?

Yes. Wissam Mattar is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Wissam Mattar accept?

Health plans from Ambetter from Arizona Complete Health, AmeriHealth Caritas Next, Blue Cross Blue Shield of Arizona, Highmark Blue Cross Blue Shield Delaware and Oscar Health Plan, Inc. list Wissam Mattar 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 Wissam Mattar was last updated on September 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months 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.