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Gastroenterology

Scott P. Sainburg, MD

Works at hospitals in Fullerton, CA · California

Summary

Dr. Scott P. Sainburg, MD is a gastroenterologist at 100 E Valencia Mesa Dr, Suite 105, Fullerton, CA 92835. Phone: (714) 871-3006. Accepts Medicare assignment. In 2024, Scott P. Sainburg had 216 Original Medicare patients and 414 services. NPI 1184610552. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Gastroenterologist (Medicare lists Gastroenterology)
  • Address: 100 E Valencia Mesa Dr, Suite 105, Fullerton, CA 92835 · Directions (3 more locations)
  • Phone: (714) 871‑3006
  • Medicare: Accepts Medicare assignment
  • Hospital: Providence St. Jude Medical Center
  • Group practice: Providence Medical Foundation
  • Medical school: University Of California, Irvine, California College Of Medicine · graduated 1985 (41 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Scott P. Sainburg, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Scott P. Sainburg accept Medicare assignment?
Yes. Medicare's clinician data says Scott P. Sainburg accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Scott P. Sainburg see?
In 2024, CMS data shows 216 Original Medicare patients and 414 services for Scott P. Sainburg. This counts Original Medicare only and measures volume, not quality.
What is Scott P. Sainburg's NPI number?
1184610552. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Scott P. Sainburg, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients216
Services billed to Medicare414
Different services or procedures36
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito (G0500)98 services
  2. Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43235)36 services
  3. Biopsy of large bowel using a flexible endoscope (45380)30 services
  4. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)30 services
  5. Diagnostic exam of large bowel using a flexible endoscope (45378)28 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol75%
  • High blood pressure70%
  • Arthritis49%
  • Diabetes31%
  • Chronic kidney disease26%
  • Osteoporosis23%

Hospitals where Scott P. Sainburg works

Medicare's Facility Affiliation Data lists Scott P. Sainburg at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Scott P. Sainburg is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Scott P. Sainburg as a member of this group (CMS data updated October 2, 2026).

  • Providence Medical Foundation1,466 clinicians in the group

Specialties

Find other Gastroenterology doctors in California →

Other gastroenterologists in Fullerton

Clinicians with the same Medicare primary specialty in Fullerton, CA — not a recommendation.

All gastroenterologists in Fullerton →

Other clinicians in Providence Medical Foundation

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolUniversity Of California, Irvine, California College Of Medicine
Graduation year1985 (41 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1184610552
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians