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Nephrology

Stacy Z. Ker, DO

Works at hospitals in Dearborn, MI · Farmington Hills, MI · Royal Oak, MI … · Michigan

Summary

Dr. Stacy Z. Ker, DO is a nephrologist at 18302 Middlebelt Rd, Livonia, MI 48152. Phone: (248) 478-1500. Accepts Medicare assignment. In 2024, Stacy Z. Ker had 254 Original Medicare patients and 1,306 services. NPI 1841404217. 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 Stacy Z. Ker, 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 Stacy Z. Ker accept Medicare assignment?
Yes. Medicare's clinician data says Stacy Z. Ker 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 Stacy Z. Ker see?
In 2024, CMS data shows 254 Original Medicare patients and 1,306 services for Stacy Z. Ker. This counts Original Medicare only and measures volume, not quality.
What is Stacy Z. Ker's NPI number?
1841404217. 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 Stacy Z. Ker, 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 patients254
Services billed to Medicare1,306
Different services or procedures44
Participating Medicare providerYes
Average age of these patients67

Most frequent services

  1. Dialysis services, 4 or more physician visits per month (20 years or older) (90960)253 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)160 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)99 services
  4. Dialysis services, 2-3 physician visits per month (20 years or older) (90961)96 services
  5. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)67 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%
  • Diabetes71%
  • Heart failure60%
  • Ischemic heart disease59%

Hospitals where Stacy Z. Ker works

Medicare's Facility Affiliation Data lists Stacy Z. Ker 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 Stacy Z. Ker is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Stacy Z. Ker as a member of these groups (CMS data updated October 2, 2026).

  • Hypertension Nephrology Associates PC13 clinicians in the group
  • Riverview Lifeline Center PLLC4 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 schoolOhio University, College Of Osteopathic Medicine
Graduation year2006 (20 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1841404217
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