Dr. Stacy Zwick Ker, DO

  • Livonia, MI
  • Nephrologist
NPI1841404217PAC ID3678742442
Medicare services, 2024
866
Medicare patients, 2024
254
Part D claims, 2024
1,411
Hospital affiliations
5
Industry payments
$3,236
Practice address
18302 Middlebelt Rd, Livonia, MI 48152
Practice phone
Call (313) 982-9820
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Fresenius Kidney Care Dearborn

Livonia, Michigan

See all 15 affiliations

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Dr. Stacy Zwick Ker is a nephrologist in Livonia, Michigan

Dr. Ker practices at Fresenius Kidney Care Dearborn in Livonia, Michigan.

Dr. Ker's NPI, 1841404217, was assigned on May 9, 2007. Dr. Ker graduated from Ohio University, College of Osteopathic Medicine in 2006. Dr. Ker holds Michigan license 5101016934.

NPI and contact details
Medicare PAC ID
3678742442
NPI enumeration date
May 9, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(313) 982-9820
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
46
Medical school graduation
2006

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Stacy Zwick Ker practices at Fresenius Kidney Care Dearborn in Livonia, Michigan

Dr. Ker's primary practice is Fresenius Kidney Care Dearborn, at 18302 Middlebelt Rd, Livonia, MI 48152 in Wayne County. The practice phone is (313) 982-9820.

  • Fresenius Kidney Care Dearborn
    18302 Middlebelt Rd, Livonia, MI 48152 · Wayne CountyPhone(313) 982-9820

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Stacy Zwick Ker is affiliated with 12 sites of care and 3 medical groups

Dr. Ker's primary practice is Fresenius Kidney Care Dearborn in Livonia, Michigan. Dr. Ker is also affiliated with Corewell Health William Beaumont University Hospital. The medical group on file is Sciometrix. Dmand AI also links Dr. Ker to 4 more hospitals, 3 dialysis centers, 3 group practices and clinics and 2 medical groups, each named with a free account.

See all 15 affiliations for Dr. Ker

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Stacy Zwick Ker's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ker practices, 11 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Fresenius Kidney Care DearbornAvailable with a free account
+11 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Stacy Zwick Ker is one of 310 nephrologists in Michigan

Nephrology is Dr. Ker's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Ker is licensed in Michigan.

Specialties and state licenses

  • Nephrology, MichiganPrimaryLicense 5101016934 · taxonomy 207RN0300X

Nephrologists near Dr. Ker

Counts of nephrologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Stacy Zwick Ker billed Medicare for 866 services in 2024

CMS data shows 866 Medicare services from Dr. Ker across 12 procedure codes in 2024, for 254 Medicare patients. Medicare paid $142,227 for them.

Medicare services, 2024866
Medicare patients254
Paid by Medicare$142,227
Procedure codes12

Dr. Ker's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Tests and treatments
2023: 4262024: 37013%
Office and hospital visits
2023: 5312024: 36032%
Other services
2023: 02024: 99
Surgery
2023: 652024: 3743%
Imaging
2023: 262024: 0100%

Where Dr. Ker's Medicare services took place, 2024

  • In an office59769%
  • In a facility26931%

Dr. Ker compared with the Michigan median for nephrologists, 2024

  • Dr. Ker
  • Michigan median
Medicare services
866vs 849Close to median
Medicare patients
254vs 2696% below
Part D claims
1,196vs 5742.1 times

Medians across 310 nephrologists in Michigan with Dmand AI profiles that report each measure.

Dr. Ker's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Ker

Need commercial claims for Dr. Ker?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ker and other nephrologists in Michigan.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Stacy Zwick Ker treated 254 Medicare patients in 2024, average age 67

CMS counts 254 Medicare patients who saw Dr. Ker in 2024. The largest group is under 65, with 83 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 46% are also on Medicaid. Their average risk score is 6.06, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Ker's median patient age at 68, with 48% women.

Medicare patients, 2024254
Average age67
Average risk score6.06
Also on Medicaid46%

Dr. Ker's Medicare patients by age, 2024

Dr. Ker's Medicare patients by sex, 2024

  • Women12047%
  • Men13453%

Chronic conditions among Dr. Ker's Medicare patients, 2024

  1. Chronic kidney disease75%
  2. High blood pressure75%
  3. High cholesterol75%
  4. Diabetes71%
  5. Heart failure60%
  6. Ischemic heart disease59%
  7. Arthritis48%
  8. COPD37%

Share of Medicare patients with each condition. A patient can have several.

Dr. Ker's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 68

Patient panel by sex, all payers

  • Women48%
  • Men52%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Stacy Zwick Ker wrote 1,411 Medicare Part D claims in 2024

In 2024, Dr. Ker wrote 1,411 Medicare Part D claims for 188 patients. 81% of them were for generic drugs. CMS names the drug for 1,196 of them, across 32 drugs with 11 or more claims each, at $386,394 in total drug cost. In 2023, CMS named 1,203 claims across 34 drugs.

Part D claims, 20241,411
Drugs named by CMS32
Total drug cost$386,394
Part D patients188

Dr. Ker's Part D claims by kind of drug, 2024

  • Generic1,140 claims81%
  • Brand-name and other271 claims19%

Dr. Ker's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 1,2032024: 1,1961%

Drugs named by CMS: 32 in 2024, 34 in 2023.

See all prescribing by Dr. Ker

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Dr. Stacy Zwick Ker takes part in Medicare

Dr. Ker accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Stacy Zwick Ker received $3,236 in industry payments from 2016 to 2025

CMS Open Payments shows 161 general payments to Dr. Ker from 23 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 98% of the total. Amgen Inc. paid the most, $941.

General payments to Dr. Ker by program year, 2016 to 2025

General payments to Dr. Ker by kind, 2016 to 2025

$3.2Kin total
  • Food and beverage$3,16698%
  • Education$702%

Companies that paid Dr. Ker the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Ker

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Stacy Zwick Ker graduated from Ohio University, College of Osteopathic Medicine

Dr. Ker graduated from Ohio University, College of Osteopathic Medicine in 2006.

  1. Medical schoolOhio University, College of Osteopathic Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Stacy Zwick Ker's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Stacy Zwick Ker

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Stacy Zwick Ker's NPI number?

Dr. Stacy Zwick Ker's NPI number is 1841404217. It was assigned on May 9, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Stacy Zwick Ker?

Dr. Stacy Zwick Ker is a nephrologist in Livonia, Michigan. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).

Where does Dr. Stacy Zwick Ker practice?

Dr. Ker practices at 18302 Middlebelt Rd, Livonia, MI 48152. Dr. Ker's primary practice is Fresenius Kidney Care Dearborn in Livonia, Michigan. Dmand AI also links Dr. Ker to 4 hospitals, 3 dialysis centers, 3 group practices and clinics and 2 medical groups.

What is Dr. Stacy Zwick Ker's office phone number?

The practice phone on file for Dr. Ker is (313) 982-9820.

What is Dr. Stacy Zwick Ker's medical license number?

Dr. Ker holds Michigan license 5101016934.

Which hospitals is Dr. Stacy Zwick Ker affiliated with?

Dr. Ker is affiliated with Corewell Health William Beaumont University Hospital. Dmand AI links Dr. Ker to 4 more hospitals.

What medical group is Dr. Stacy Zwick Ker part of?

Dr. Ker is linked to Sciometrix. Dmand AI links Dr. Ker to 2 more medical groups.

Does Dr. Stacy Zwick Ker accept Medicare?

Yes. CMS data shows Dr. Ker billed Medicare for 866 services in 2024, and Dr. Ker accepts Medicare assignment.

How many Medicare patients does Dr. Stacy Zwick Ker see?

CMS counts 254 Medicare patients who saw Dr. Ker in 2024, with an average age of 67.

What services does Dr. Stacy Zwick Ker bill to Medicare?

In 2024, Dr. Ker's most billed Medicare services were dialysis (90960), hospital inpatient care (99232) and medicare service (G2211).

Show 4 more questionsShow fewer questions

Where did Dr. Stacy Zwick Ker go to medical school?

Dr. Ker graduated from Ohio University, College of Osteopathic Medicine in 2006.

What drugs does Dr. Stacy Zwick Ker prescribe most?

In 2024 Medicare Part D data, Dr. Ker's most prescribed drugs by claims were Hydralazine HCl, Amlodipine Besylate and Furosemide.

Has Dr. Stacy Zwick Ker received payments from drug or device companies?

CMS Open Payments shows $3,236 in general payments to Dr. Ker from 23 companies from 2016 to 2025. The largest total came from Amgen Inc.

How long has Dr. Stacy Zwick Ker been practicing?

Dr. Ker graduated from medical school in 2006, 20 years ago.

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