Stuart L. Triester, M.D.
Gastroenterology Physician · Scottsdale, AZ
Stuart L. Triester, M.D. is a gastroenterology physician with a practice address in Scottsdale, Arizona, and NPI 1316920010, issued on Nov 28, 2005. Check the license (Arizona 38123, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Stuart L. Triester
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- 38123 AZ
MD00039076 WA
Self-reported in NPPES; status is on the state search - Practice location
- 20401 N 73RD St, Scottsdale, AZ 85255
- Phone
- (480) 945-2321
- Enumerated
- Nov 28, 2005
- Record last updated
- Aug 28, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (480) 946-3711
- Medicaid IDs
- 766595 AZ
8279671 WA - Medicare enrollment
- Enrolled (PECOS I20080728000357); accepts Medicare assignment
- Medical or professional school
- Jefferson Medical College Of Thomas Jefferson University, 1998
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 403 in Arizona → Look up another NPI →
Also registered at 20401 N 73RD St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Stuart L. Triester in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 38123Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% more Medicare Part D claims than the average gastroenterology physician in 2024
1,606 Medicare Part D claims for 648 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
Most prescribed
- Sod Sulf-Potass Sulf-Mag Sulf314 claims
- Pantoprazole Sodium240 claims
- Famotidine102 claims
- Omeprazole79 claims
- Clenpiq59 claims
- Sodium Chloride54 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $420.97
4 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. 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 one group practice
- Honorhealth AmbulatoryScottsdale, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stuart L. Triester among 403 gastroenterology physician records in Arizona
Stuart L. Triester, M.D. 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 83% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated1998 · median 2001 among the 295 with a school on file
- Record last updated2008 · 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
- Adam Harris, M.D.Scottsdale, AZ 852551114119187
- Bradford Jones, MDScottsdale, AZ 852551306912118
- Lawrence Kosinski, MDScottsdale, AZ 852551093827107
- Gavin Levinthal, M.D.Scottsdale, AZ 852551437120086
- Suzanne Skoog, M.D.Scottsdale, AZ 852551174598643
- Anuj Vyas, DOScottsdale, AZ 852551174011324
- Norman Zitomer, M.D.Scottsdale, AZ 852551669447132
- Joel Brill, MDParadise Valley, AZ 852531417952789
Common questions
What is Stuart L. Triester, M.D.'s NPI number?
Stuart L. Triester, M.D.'s National Provider Identifier (NPI) is 1316920010, issued on Nov 28, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Stuart L. Triester, M.D. located?
The NPPES record lists a practice address at 20401 N 73RD St, Scottsdale, AZ, 85255. Phone: (480) 945-2321. Providers update this record themselves, so call before visiting.
How can I verify Stuart L. Triester, M.D.'s license?
NPPES lists Arizona license number 38123, 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.
How much does Stuart L. Triester, M.D. prescribe under Medicare Part D?
In 2024, Stuart L. Triester, M.D. had 1,606 Medicare Part D claims for 648 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
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.