Stacy Zwick Ker, DO
Nephrology Physician · Livonia, MI
Stacy Zwick Ker, DO is a nephrology physician with a practice address in Livonia, Michigan, and NPI 1841404217, issued on May 9, 2007. Check the license (Michigan 5101016934, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Stacy Zwick Ker
- Credential
- DO
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- 5101016934 MI
Self-reported in NPPES; status is on the state search - Practice location
- 18302 Middlebelt RD, Livonia, MI 48152
- Phone
- (248) 478-1500
- Enumerated
- May 9, 2007
- Record last updated
- Sep 9, 2022
- Medicaid ID
- 1841404217 MI
- Medicare enrollment
- Enrolled (PECOS I20110811000750); accepts Medicare assignment
- Medical or professional school
- Ohio University, College Of Osteopathic Medicine, 2006
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 376 in Michigan → Look up another NPI →
Also registered at 18302 Middlebelt RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alison Allor, PA-CPhysician Assistant1184811036
- Jason Biederman, DONephrology Physician1750374229
- Michael Collier, DONephrology Physician1215920798
- Jagjot Dhingra, DOInternal Medicine Physician1629869821
- Jane Elias, NPFamily Nurse Practitioner1457886350
- Crystal Gardner-Martin, MDNephrology Physician1447244280
Verify Stacy Zwick Ker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 5101016934Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4% fewer Medicare Part D claims than the average nephrology physician in 2024
1,411 Medicare Part D claims for 188 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D.
Most prescribed
- Hydralazine Hcl151 claims
- Amlodipine Besylate113 claims
- Furosemide102 claims
- Sevelamer Carbonate83 claims
- Farxiga81 claims
- Losartan Potassium65 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $394.05
21 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Hypertension Nephrology Associates PCLivonia, MI
- Riverview Lifeline Center PLLCDetroit, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stacy Zwick Ker among 376 nephrology physician records in Michigan
Stacy Zwick Ker, DO is one of 376 nephrology physician records with a practice address in Michigan. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 52% of them.
- NPI issued2007 · 52% of these records are older, 36% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2006 · median 2001 among the 279 with a school on file
- Record last updated2022 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in Michigan
There are 376 nephrology physician records in Michigan.
All 376 in Michigan → Every provider in Livonia → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Jason Biederman, DOLivonia, MI 481521750374229
- Michael Collier, DOLivonia, MI 481521215920798
- Crystal Gardner-Martin, MDLivonia, MI 481521447244280
- Victoria Golas, DOLivonia, MI 481521740677038
- Khaled Ismail, M.D.Livonia, MI 481521467674895
- Michael Keefe, DOLivonia, MI 481521952393985
- Mark Marrone, MDLivonia, MI 481521003809575
- Kelly Mercier, DOLivonia, MI 481521154554749
Common questions
What is Stacy Zwick Ker, DO's NPI number?
Stacy Zwick Ker, DO's National Provider Identifier (NPI) is 1841404217, issued on May 9, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Stacy Zwick Ker, DO located?
The NPPES record lists a practice address at 18302 Middlebelt RD, Livonia, MI, 48152. Phone: (248) 478-1500. Providers update this record themselves, so call before visiting.
How can I verify Stacy Zwick Ker, DO's license?
NPPES lists Michigan license number 5101016934, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Stacy Zwick Ker, DO prescribe under Medicare Part D?
In 2024, Stacy Zwick Ker, DO had 1,411 Medicare Part D claims for 188 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.