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Gastroenterology

Gautamy Chitiki Dhadham, MD

Works at hospitals in Mesa, AZ · Gilbert, AZ · Glendale, AZ · Arizona

Summary

Dr. Gautamy Chitiki Dhadham, MD is a gastroenterologist at 1125 S Alma School Rd, Suite 210, Chandler, AZ 85286. Phone: (480) 733-7300. Accepts Medicare assignment. In 2024, Gautamy Chitiki Dhadham had 219 Original Medicare patients and 537 services. NPI 1649423708. 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 Gautamy Chitiki Dhadham, 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 Gautamy Chitiki Dhadham accept Medicare assignment?
Yes. Medicare's clinician data says Gautamy Chitiki Dhadham 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 Gautamy Chitiki Dhadham see?
In 2024, CMS data shows 219 Original Medicare patients and 537 services for Gautamy Chitiki Dhadham. This counts Original Medicare only and measures volume, not quality.
What is Gautamy Chitiki Dhadham's NPI number?
1649423708. 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 Gautamy Chitiki Dhadham, 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 patients219
Services billed to Medicare537
Different services or procedures51
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)79 services
  2. Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)65 services
  3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)61 services
  4. Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)50 services
  5. Biopsy of large bowel using a flexible endoscope (45380)38 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 cholesterol74%
  • High blood pressure72%
  • Arthritis46%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)45%
  • Ischemic heart disease29%
  • Diabetes28%

Hospitals where Gautamy Chitiki Dhadham works

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

Group practices

Medicare enrollment lists Gautamy Chitiki Dhadham as a member of these groups (CMS data updated October 2, 2026).

  • Banner Physician Specialists Arizona LLC373 clinicians in the group
  • Banner Cancer Center Specialists LLC344 clinicians in the group

Specialties

Find other Gastroenterology doctors in Arizona →

Other gastroenterologists in Chandler

Clinicians with the same Medicare primary specialty in Chandler, AZ — not a recommendation.

All gastroenterologists in Chandler →

Other clinicians in Banner Physician Specialists Arizona LLC

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

Clinician information

CredentialMD
Graduation year2005 (21 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1649423708
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