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Cardiovascular Disease (Cardiology)

Gayathri S. Iyer, MD

Works at hospitals in Detroit, MI · W Bloomfield, MI · Clinton Township, MI … · Michigan

Summary

Dr. Gayathri S. Iyer, MD is a cardiologist at 3500 15 Mile Rd, Sterling Heights, MI 48310. Phone: (586) 977-9300. Accepts Medicare assignment. In 2024, Gayathri S. Iyer had 1,594 Original Medicare patients and 2,428 services. NPI 1003984543. 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 Gayathri S. Iyer, 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 Gayathri S. Iyer accept Medicare assignment?
Yes. Medicare's clinician data says Gayathri S. Iyer 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 Gayathri S. Iyer see?
In 2024, CMS data shows 1,594 Original Medicare patients and 2,428 services for Gayathri S. Iyer. This counts Original Medicare only and measures volume, not quality.
What is Gayathri S. Iyer's NPI number?
1003984543. 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 Gayathri S. Iyer, 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 patients1,594
Services billed to Medicare2,428
Different services or procedures34
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)1,356 services
  2. Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)350 services
  3. 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)155 services
  4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)116 services
  5. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)60 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%
  • Arthritis49%
  • Ischemic heart disease49%
  • Heart failure44%
  • Diabetes43%

Hospitals where Gayathri S. Iyer works

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

Group practices

Medicare enrollment lists Gayathri S. Iyer as a member of this group (CMS data updated October 2, 2026).

  • Henry Ford Health System2,570 clinicians in the group

Specialties

Find other Cardiovascular Disease (Cardiology) doctors in Michigan →

Other cardiologists in Michigan

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

All cardiologists in Michigan →

Other clinicians in Henry Ford Health System

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

Clinician information

CredentialMD
Graduation year1985 (41 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1003984543
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