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Nephrology

Kelly M. Mercier, DO

Works at hospitals in Dearborn, MI · Farmington Hills, MI · Garden City, MI … · Michigan

Summary

Dr. Kelly M. Mercier, DO is a nephrologist at 18302 Middlebelt Rd, Livonia, MI 48152. Phone: (248) 478-1500. Accepts Medicare assignment. In 2024, Kelly M. Mercier had 362 Original Medicare patients and 1,925 services. NPI 1154554749. 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 Kelly M. Mercier, 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 Kelly M. Mercier accept Medicare assignment?
Yes. Medicare's clinician data says Kelly M. Mercier 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 Kelly M. Mercier see?
In 2024, CMS data shows 362 Original Medicare patients and 1,925 services for Kelly M. Mercier. This counts Original Medicare only and measures volume, not quality.
What is Kelly M. Mercier's NPI number?
1154554749. 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 Kelly M. Mercier, 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 patients362
Services billed to Medicare1,925
Different services or procedures30
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)202 services
  2. Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month (99439)159 services
  3. Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month (99490)159 services
  4. 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)151 services
  5. Dialysis services, 4 or more physician visits per month (20 years or older) (90960)125 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%
  • Chronic kidney disease75%
  • Diabetes64%
  • Heart failure53%
  • Ischemic heart disease52%

Hospitals where Kelly M. Mercier works

Medicare's Facility Affiliation Data lists Kelly M. Mercier 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.

  • Beaumont Hospital - DearbornDearborn, MI · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 230020
  • Beaumont Hospital - Farmington HillsFarmington Hills, MI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 230151
  • Garden City HospitalGarden City, MI · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 230244
  • Huron Valley-Sinai HospitalCommerce Township, MI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 230277
  • St Joe Mercy Hospital System LivoniaLivonia, MI · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 230002

Practice locations

Addresses where Kelly M. Mercier is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Kelly M. Mercier as a member of this group (CMS data updated October 2, 2026).

  • Hypertension Nephrology Associates PC13 clinicians in the group

Specialties

Find other Nephrology doctors in Michigan →

Other nephrologists in Livonia

Clinicians with the same Medicare primary specialty in Livonia, MI — not a recommendation.

All nephrologists in Livonia →

Other clinicians in Hypertension Nephrology Associates PC

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

Clinician information

CredentialDO
Medical schoolMichigan State University College Of Osteopathic Medicine
Graduation year2009 (17 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1154554749
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