Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Mr. Wissam E. Mattar, MD

Individual provider Gastroenterology Physician · NPI 1831358092

Mr. Wissam E. Mattar, MD is a Gastroenterology in Scottsdale, Arizona. Qualified in 2004, 22 years ago. Practices with Honorhealth Ambulatory, a 625-clinician group and accepts Medicare assignment. Licensed in Arizona.

Years since qualifying
22
Licensed in
AZ
In the registry since
2008
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

9201 E Mountain View Rd Ste 105
Scottsdale, AZ 85258-5140
Phone: (480) 587-6614
Fax: (480) 882-5809
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 59625 (AZ)

Record details

NPI number1831358092
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 3, 2008
Last updated in NPPESSeptember 4, 2025
Certification dateSeptember 4, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyGASTROENTEROLOGY
Medical schoolOTHER
Graduated 2004 (22 years in practice)
Group practice Honorhealth Ambulatory — 625 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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