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Family Practice

Anna A. Kalogeropoulos, DO

Works at hospitals in Denver, CO · Colorado

Summary

Dr. Anna A. Kalogeropoulos, DO is a family doctor at 4545 E 9th Ave, Denver, CO 80220. Phone: (720) 463-2803. Accepts Medicare assignment. In 2024, Anna A. Kalogeropoulos had 47 Original Medicare patients and 605 services. NPI 1942614102. 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: Family doctor (Medicare lists Family Practice)
  • Address: 4545 E 9th Ave, Denver, CO 80220 · Directions
  • Phone: (720) 463‑2803
  • Medicare: Accepts Medicare assignment
  • Hospital: HCA HealthONE Rose
  • Group practice: Kalo Health LLC
  • Medical school: graduated 2014 (12 years since medical school)
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Anna A. Kalogeropoulos, 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 Anna A. Kalogeropoulos accept Medicare assignment?
Yes. Medicare's clinician data says Anna A. Kalogeropoulos 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 Anna A. Kalogeropoulos see?
In 2024, CMS data shows 47 Original Medicare patients and 605 services for Anna A. Kalogeropoulos. This counts Original Medicare only and measures volume, not quality.
What is Anna A. Kalogeropoulos's NPI number?
1942614102. 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 Anna A. Kalogeropoulos, 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 patients47
Services billed to Medicare605
Different services or procedures35
Participating Medicare providerYes
Average age of these patients68

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)126 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)118 services
  3. Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)59 services
  4. Insertion of needle into vein for collection of blood sample (36415)38 services
  5. Annual depression screening, 5 to 15 minutes (G0444)18 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 cholesterol53%
  • High blood pressure51%
  • Arthritis49%
  • Anxiety34%
  • Chronic kidney disease30%
  • Diabetes28%

Hospitals where Anna A. Kalogeropoulos works

Medicare's Facility Affiliation Data lists Anna A. Kalogeropoulos 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.

  • HCA HealthONE RoseDenver, CO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 060032

Practice locations

Addresses where Anna A. Kalogeropoulos is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Anna A. Kalogeropoulos as a member of this group (CMS data updated October 2, 2026).

  • Kalo Health LLC2 clinicians in the group

Specialties

Find other Family Practice doctors in Colorado →

Other family doctors in Denver

Clinicians with the same Medicare primary specialty in Denver, CO — not a recommendation.

All family doctors in Denver →

Clinician information

CredentialDO
Graduation year2014 (12 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1942614102
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