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Gastroenterology

Reza Hejazi, MD

Works at hospitals in Olathe, KS · Kansas City, KS · Kansas

Summary

Dr. Reza Hejazi, MD is a gastroenterologist at 3901 Rainbow Blvd, Kansas City, KS 66160. Phone: (913) 588-6431. Accepts Medicare assignment. In 2024, Reza Hejazi had 541 Original Medicare patients and 959 services. NPI 1598050700. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Reza Hejazi, 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 Reza Hejazi accept Medicare assignment?
Yes. Medicare's clinician data says Reza Hejazi 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 Reza Hejazi see?
In 2024, CMS data shows 541 Original Medicare patients and 959 services for Reza Hejazi. This counts Original Medicare only and measures volume, not quality.
What is Reza Hejazi's NPI number?
1598050700. 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 Reza Hejazi, 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 patients541
Services billed to Medicare959
Different services or procedures67
Participating Medicare providerYes
Average age of these patients71

Most frequent services

  1. Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)98 services
  2. Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)97 services
  3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)76 services
  4. Ultrasound exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope through mouth (43237)58 services
  5. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)52 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%
  • Arthritis52%
  • Anxiety33%
  • Ischemic heart disease32%
  • Depression32%

Hospitals where Reza Hejazi works

Medicare's Facility Affiliation Data lists Reza Hejazi 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 Reza Hejazi is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Reza Hejazi as a member of this group (CMS data updated October 2, 2026).

  • Kansas University Physicians Inc1,849 clinicians in the group

Specialties

Find other Gastroenterology doctors in Kansas →

Other gastroenterologists in Kansas City

Clinicians with the same Medicare primary specialty in Kansas City, KS — not a recommendation.

All gastroenterologists in Kansas City →

Other clinicians in Kansas University Physicians Inc

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

Clinician information

CredentialMD
Graduation year1996 (30 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1598050700
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