Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Diagnostic Radiology

Juan Guerrero-Calderon, MD

Works at hospitals in Decatur, GA · Atlanta, GA · Hornell, NY · Georgia, New York

Summary

Dr. Juan Guerrero-Calderon, MD is a radiologist at 1365 Clifton Rd NE, Atlanta, GA 30322. Phone: (404) 778-7525. Accepts Medicare assignment. In 2024, Juan Guerrero-Calderon had 1,024 Original Medicare patients and 2,084 services. NPI 1679922603. 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 Juan Guerrero-Calderon, 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 Juan Guerrero-Calderon accept Medicare assignment?
Yes. Medicare's clinician data says Juan Guerrero-Calderon 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 Juan Guerrero-Calderon see?
In 2024, CMS data shows 1,024 Original Medicare patients and 2,084 services for Juan Guerrero-Calderon. This counts Original Medicare only and measures volume, not quality.
What is Juan Guerrero-Calderon's NPI number?
1679922603. 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 Juan Guerrero-Calderon, 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 patients1,024
Services billed to Medicare2,084
Different services or procedures17
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Screening 3d breast mammography (77063)825 services
  2. Screening mammography (77067)820 services
  3. Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066) (G0279)135 services
  4. Diagnostic mammography of 1 breast (77065)85 services
  5. Diagnostic mammography of both breasts (77066)73 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 cholesterol69%
  • High blood pressure68%
  • Arthritis42%
  • Diabetes24%
  • Osteoporosis23%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)21%

Hospitals where Juan Guerrero-Calderon works

Medicare's Facility Affiliation Data lists Juan Guerrero-Calderon 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 Juan Guerrero-Calderon is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Juan Guerrero-Calderon as a member of these groups (CMS data updated October 2, 2026).

  • The Emory Clinic Inc3,568 clinicians in the group
  • Emory Medical Care Foundation Inc1,015 clinicians in the group
  • Mammography of the University of Rochester16 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in Georgia →

Other radiologists in Atlanta

Clinicians with the same Medicare primary specialty in Atlanta, GA — not a recommendation.

All radiologists in Atlanta →

Other clinicians in The Emory Clinic Inc

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

Clinician information

CredentialMD
Graduation year2016 (10 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1679922603
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