STUART L TRIESTER M.D.
NPI 1316920010
Internal Medicine - Gastroenterology in Scottsdale, AZ

Active since November 28, 2005PECOS EnrolledAccepts Medicare Assignment
20401 N 73RD ST, SUITE 275, SCOTTSDALE, AZ 85255(480) 945-2321(480) 946-3711 Get Directions Write a Review

NPPES record last updated: August 28, 2008. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Stuart L Triester M.d. NPPES

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

STUART L TRIESTER M.D. (NPI 1316920010) is an individual gastroenterology provider in Scottsdale, Arizona, licensed in Arizona (38123) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS and is a graduate of Jefferson Medical College Of Thomas Jefferson University (1998).

NPPES Registry Identity

NPI1316920010
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameSTUART L TRIESTERCredential: M.D.
Location Address20401 N 73RD ST, SUITE 275Scottsdale, AZ 85255-4108
Mailing Address7351 E Osborn RdScottsdale, AZ 85251-6451 · (480) 882-5335 · Fax (480) 882-4305
Fax(480) 946-3711
Sole ProprietorNo
Medical School CMSJefferson Medical College Of Thomas Jefferson UniversityGraduated 1998
Enumeration DateNovember 28, 2005
Last NPPES UpdateAugust 28, 2008
NPI 1316920010 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
Licenses Licensed in AZ · 38123 Licensed in WA · MD00039076
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.

20401 N 73RD ST, Scottsdale, AZ 85255

Other Identifiers 5

Medicare PINZ123190AZ
Medicare PIN8860611WA
Medicaid766595AZ
Medicare UPINH45620
Medicaid8279671WA

Accepted 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

Stuart L Triester M.d. 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 ID8224041686
PECOS Enrollment IDI20080728000357
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 15

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
262 services221 patients
Biopsy of large bowel using a flexible endoscope 45380
A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.
176 services176 patients
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.
176 services176 patients
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
172 services171 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
109 services107 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
67 services67 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85255 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 19

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

Internal Medicine (Gastroenterology)
20401 N 73RD ST, SUITE 275
SCOTTSDALE, AZ 85255
Orthopaedic Surgery
20401 N 73RD ST, SUITE 255
SCOTTSDALE, AZ 85255
Nurse Practitioner (Family)
20401 N 73RD ST, SUITE 275
SCOTTSDALE, AZ 85255
Dermatology
20401 N 73RD ST, STE 230
SCOTTSDALE, AZ 85255
Dermatology
20401 N 73RD ST, SUITE 230
SCOTTSDALE, AZ 85255
Specialist/Technologist (Athletic Trainer)
20401 N 73RD ST, STE 255
SCOTTSDALE, AZ 85255
Orthopaedic Surgery (Adult Reconstructive Orthopaedic Surgery)
20401 N 73RD ST, STE 160
SCOTTSDALE, AZ 85255
Orthopaedic Surgery
20401 N 73RD ST, SUITE 175
SCOTTSDALE, AZ 85255

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 Stuart Triester's NPI number?

The NPI number for Stuart Triester is 1316920010. It was assigned to this individual provider in the NPPES registry on November 28, 2005.

Where is Stuart Triester located?

Stuart Triester practices at 20401 N 73rd St Suite 275, Scottsdale, AZ 85255. The listed phone number is (480) 945-2321.

What is Stuart Triester's specialty?

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

Is Stuart Triester enrolled in Medicare?

Yes. Stuart Triester 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 Stuart Triester accept?

Health plans from Ambetter from Arizona Complete Health, Blue Cross Blue Shield of Arizona and Oscar Health Plan, Inc. list Stuart Triester 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 Stuart Triester was last updated on August 28, 2008. NPI Profile syncs with the weekly NPPES data releases published by CMS.