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Cardiovascular Disease (Cardiology)

Zia M. Ahmad, MD

Works at hospitals in Pilot Knob, MO · Saint Louis, MO · Farmington, MO … · Missouri, Illinois

Summary

Dr. Zia M. Ahmad, MD is a cardiologist at 10 Arnold Mall, Arnold, MO 63010. Phone: (314) 835-0001. Accepts Medicare assignment. In 2024, Zia M. Ahmad had 363 Original Medicare patients and 11,958 services. NPI 1063491777. 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 Zia M. Ahmad, 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 Zia M. Ahmad accept Medicare assignment?
Yes. Medicare's clinician data says Zia M. Ahmad 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 Zia M. Ahmad see?
In 2024, CMS data shows 363 Original Medicare patients and 11,958 services for Zia M. Ahmad. This counts Original Medicare only and measures volume, not quality.
What is Zia M. Ahmad's NPI number?
1063491777. 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 Zia M. Ahmad, 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 patients363
Services billed to Medicare11,958
Different services or procedures72
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes (99458)4,914 services
  2. Management using the results of remote vital sign monitoring per calendar month, first 20 minutes (99457)1,814 services
  3. Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days (99454)1,440 services
  4. Evaluation of cardiac rhythm monitor system, remote up to 30 days (93298)503 services
  5. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)480 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 blood pressure75%
  • High cholesterol75%
  • Ischemic heart disease51%
  • Arthritis46%
  • Atrial fibrillation43%
  • Diabetes40%

Hospitals where Zia M. Ahmad works

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

Group practices

Medicare enrollment lists Zia M. Ahmad as a member of these groups (CMS data updated October 2, 2026).

  • Iron County Hospital District25 clinicians in the group
  • Bi-State Cardiovascular Consultant PC4 clinicians in the group

Specialties

Find other Cardiovascular Disease (Cardiology) doctors in Missouri →

Other cardiologists in Missouri

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

All cardiologists in Missouri →

Other clinicians in Iron County Hospital District

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

Clinician information

CredentialMD
Graduation year1982 (44 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1063491777
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