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Internal Medicine

Kimberly Gatzimos, MD

Works at hospitals in Indianapolis, IN · Indiana

Summary

Dr. Kimberly Gatzimos, MD is an internal medicine doctor at 1650 W Oak St, Zionsville, IN 46077. Accepts Medicare assignment. In 2024, Kimberly Gatzimos had 22 Original Medicare patients and 87 services. NPI 1174510127. 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: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 1650 W Oak St, Zionsville, IN 46077 · Directions (1 more location)
  • Medicare: Accepts Medicare assignment
  • Hospital: Community Hospital East
  • Medical school: Tufts University School Of Medicine · graduated 1987 (39 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Kimberly Gatzimos, 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 Kimberly Gatzimos accept Medicare assignment?
Yes. Medicare's clinician data says Kimberly Gatzimos 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 Kimberly Gatzimos see?
In 2024, CMS data shows 22 Original Medicare patients and 87 services for Kimberly Gatzimos. This counts Original Medicare only and measures volume, not quality.
What is Kimberly Gatzimos's NPI number?
1174510127. 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 Kimberly Gatzimos, 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 patients22
Services billed to Medicare87
Different services or procedures14
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Insertion of needle into vein for collection of blood sample (36415)21 services
  2. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)18 services
  3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)15 services
  4. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)11 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 cholesterol64%

Hospitals where Kimberly Gatzimos works

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

  • 1650 W Oak StZionsville, IN 46077
  • 6101 Blue Lagoon Dr, Suite 200Miami, FL 33126

Specialties

Find other Internal Medicine doctors in Indiana →

Other internal medicine doctors in Indiana

Clinicians with the same Medicare primary specialty in Indiana — not a recommendation.

All internal medicine doctors in Indiana →

Clinician information

CredentialMD
Medical schoolTufts University School Of Medicine
Graduation year1987 (39 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1174510127
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