Wissam E. Mattar, MD
Gastroenterology Physician · Scottsdale, AZ
Wissam E. Mattar, MD is a gastroenterology physician with a practice address in Scottsdale, Arizona, and NPI 1831358092, issued on Jun 3, 2008. Check the license (Arizona 59625, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Wissam E. Mattar
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 59625 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 9201 E Mountain View RD Ste 105, Scottsdale, AZ 85258
- Phone
- (480) 587-6614
- Enumerated
- Jun 3, 2008
- Record last updated
- Sep 4, 2025
- Fax
- (480) 882-5809
- Medicare enrollment
- Enrolled (PECOS I20241029004152); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 403 in Arizona → Look up another NPI →
Also registered at 9201 E Mountain View RD Ste 105
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Juliana Cotton, ACNPAcute Care Nurse Practitioner1568867984
- Navroop Kanwal Nagra, M.DGastroenterology Physician1720494347
- Andrew Wallace, D.O.Infectious Disease Physician1912361502
Verify Wissam E. Mattar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 59625Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $38.27
2 payments; by number, the most common kind was food and beverage; the largest payer was Regeneron Healthcare Solutions, Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Honorhealth AmbulatoryScottsdale, AZ
- Tidalhealth Specialty Care LLCSalisbury, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Wissam E. Mattar among 403 gastroenterology physician records in Arizona
Wissam E. Mattar, MD is one of 403 gastroenterology physician records with a practice address in Arizona. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 69% of them.
- NPI issued2008 · 69% of these records are older, 28% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated2004 · median 2001 among the 295 with a school on file
- Record last updated2025 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Arizona
There are 403 gastroenterology physician records in Arizona.
All 403 in Arizona → Every provider in Scottsdale → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Sarah Jaroudi, PA-CScottsdale, AZ 852581972107027
- Richard McDermott, M.D.Scottsdale, AZ 852581881806768
- Daniel Meline, MDScottsdale, AZ 852581982714960
- Navroop Kanwal Nagra, M.DScottsdale, AZ 852581720494347
- Larry Pass, MDScottsdale, AZ 852581902875925
- Nayan Patel, DOScottsdale, AZ 852581518099654
- Anil Seetharam, MDScottsdale, AZ 852581023229408
- Rucha Shah, M.D.Scottsdale, AZ 852581336552595
Common questions
What is Wissam E. Mattar, MD's NPI number?
Wissam E. Mattar, MD's National Provider Identifier (NPI) is 1831358092, issued on Jun 3, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Wissam E. Mattar, MD located?
The NPPES record lists a practice address at 9201 E Mountain View RD Ste 105, Scottsdale, AZ, 85258. Phone: (480) 587-6614. Providers update this record themselves, so call before visiting.
How can I verify Wissam E. Mattar, MD's license?
NPPES lists Arizona license number 59625, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.