Dr. John Donkersloot, MD
- Medicare services, 2024
- 86
- Medicare patients, 2024
- 91
- Part D claims, 2019
- 27
- Hospital affiliations
- 3
- Industry payments
- $626
- Practice address
- 1215 E Michigan Ave, Lansing, MI 48912
- Practice phone
- Call (517) 364-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
UM Health-Sparrow Lansing Campus
Lansing, Michigan
Find Dr. Donkersloot's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. John Donkersloot is a surgical critical care physician in Lansing, Michigan
Dr. Donkersloot practices at UM Health-Sparrow Lansing Campus in Lansing, Michigan.
Dr. Donkersloot's NPI, 1588042386, was assigned on May 12, 2015. Dr. Donkersloot graduated from University of Michigan Medical School in 2011. Dr. Donkersloot holds Michigan license 4301501966.
- NPI
- 1588042386NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9638485899
- NPI enumeration date
- May 12, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (517) 364-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 41
- Medical school graduation
- 2011
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Donkersloot practices at UM Health-Sparrow Lansing Campus in Lansing, Michigan
Dr. Donkersloot's primary practice is UM Health-Sparrow Lansing Campus, at 1215 E Michigan Ave, Lansing, MI 48912 in Ingham County. The practice phone is (517) 364-6000.
- UM Health-Sparrow Lansing Campus1215 E Michigan Ave, Lansing, MI 48912 · Ingham CountyPhone(517) 364-6000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. John Donkersloot is affiliated with 4 sites of care and 2 medical groups
Dr. Donkersloot's primary practice is UM Health-Sparrow Lansing Campus in Lansing, Michigan. Dr. Donkersloot is also affiliated with University of Michigan Health-Sparrow Lansing. The medical group on file is University of Michigan Health-Sparrow. Dmand AI also links Dr. Donkersloot to 2 more hospitals and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John Donkersloot's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Donkersloot practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UM Health-Sparrow Lansing Campus | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John Donkersloot is one of 73 surgical critical care physicians in Michigan
Surgical critical care is Dr. Donkersloot's primary specialty in the NPI Registry, under taxonomy code 2086S0102X. Dr. Donkersloot is licensed in Michigan.
Specialties and state licenses
- Surgical critical care, MichiganPrimary
Surgical critical care physicians near Dr. Donkersloot
Counts of surgical critical care physicians 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. John Donkersloot billed Medicare for 86 services in 2024
CMS data shows 86 Medicare services from Dr. Donkersloot across 5 procedure codes in 2024, for 91 Medicare patients. Medicare paid $6,757 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Donkersloot compared with the Michigan median for surgical critical care physicians, 2024
- Dr. Donkersloot
- Michigan median
- Medicare services
- 86vs 12431% below
- Medicare patients
- 91vs 91Close to median
- Part D claims
- 27vs 1580% above
Medians across 68 surgical critical care physicians in Michigan with Dmand AI profiles that report each measure.
Dr. Donkersloot'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Donkersloot treated 91 Medicare patients in 2024, average age 74
CMS counts 91 Medicare patients who saw Dr. Donkersloot in 2024. The largest group is 75 to 84, with 33 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 27% are also on Medicaid. Their average risk score is 2.26, 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. Donkersloot's median patient age at 72, with 48% women.
Dr. Donkersloot's Medicare patients by age, 2024
Dr. Donkersloot's Medicare patients by sex, 2024
- Women5257%
- Men3943%
Chronic conditions among Dr. Donkersloot's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis60%
- Ischemic heart disease51%
- Mood disorders49%
- Diabetes48%
- Depression46%
- Anxiety43%
Share of Medicare patients with each condition. A patient can have several.
Dr. Donkersloot's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
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. John Donkersloot wrote 27 Medicare Part D claims in 2019
In 2019, Dr. Donkersloot wrote 27 Medicare Part D claims. They cover 1 drug, with $124 in total drug cost. In 2017, CMS named 50 claims across 1 drug.
Dr. Donkersloot's most prescribed drugs by claims, 2019
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, 2017 to 2019
- 2017
- 2019
- Claims for drugs CMS names
- 2017: 502019: 2746%
Drugs named by CMS: 1 in 2019, 1 in 2017.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Dr. John Donkersloot takes part in Medicare
Dr. Donkersloot accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. John Donkersloot received $626 in industry payments from 2021 to 2025
CMS Open Payments shows 8 general payments to Dr. Donkersloot from 6 drug and device companies from 2021 to 2025. Food and beverage make up the largest share, 60% of the total. KLS-Martin L.P. paid the most, $250.
General payments to Dr. Donkersloot by program year, 2021 to 2025
General payments to Dr. Donkersloot by kind, 2021 to 2025
- Food and beverage$37660%
- Education$25040%
Companies that paid Dr. Donkersloot the most, 2021 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John Donkersloot graduated from University of Michigan Medical School
Dr. Donkersloot graduated from University of Michigan Medical School in 2011.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John Donkersloot's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. John Donkersloot
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. John Donkersloot's NPI number?
Dr. John Donkersloot's NPI number is 1588042386. It was assigned on May 12, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. John Donkersloot?
Dr. John Donkersloot is a surgical critical care physician in Lansing, Michigan. The primary specialty in the NPI Registry is Surgical Critical Care Physician (taxonomy code 2086S0102X).
Where does Dr. John Donkersloot practice?
Dr. Donkersloot practices at 1215 E Michigan Ave, Lansing, MI 48912. Dr. Donkersloot's primary practice is UM Health-Sparrow Lansing Campus in Lansing, Michigan. Dmand AI also links Dr. Donkersloot to 2 hospitals and 1 medical group.
What is Dr. John Donkersloot's office phone number?
The practice phone on file for Dr. Donkersloot is (517) 364-6000.
What is Dr. John Donkersloot's medical license number?
Dr. Donkersloot holds Michigan license 4301501966.
Which hospitals is Dr. John Donkersloot affiliated with?
Dr. Donkersloot is affiliated with University of Michigan Health-Sparrow Lansing. Dmand AI links Dr. Donkersloot to 2 more hospitals.
What medical group is Dr. John Donkersloot part of?
Dr. Donkersloot is linked to University of Michigan Health-Sparrow. Dmand AI links Dr. Donkersloot to 1 more medical group.
Does Dr. John Donkersloot accept Medicare?
Yes. CMS data shows Dr. Donkersloot billed Medicare for 86 services in 2024, and Dr. Donkersloot accepts Medicare assignment.
How many Medicare patients does Dr. John Donkersloot see?
CMS counts 91 Medicare patients who saw Dr. Donkersloot in 2024, with an average age of 74.
What services does Dr. John Donkersloot bill to Medicare?
In 2024, Dr. Donkersloot's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99231) and critical care (99291).
Show 4 more questionsShow fewer questions
Where did Dr. John Donkersloot go to medical school?
Dr. Donkersloot graduated from University of Michigan Medical School in 2011.
What drugs does Dr. John Donkersloot prescribe most?
In 2019 Medicare Part D data, Dr. Donkersloot's most prescribed drugs by claims were Hydrocodone-Acetaminophen.
Has Dr. John Donkersloot received payments from drug or device companies?
CMS Open Payments shows $626 in general payments to Dr. Donkersloot from 6 companies from 2021 to 2025. The largest total came from KLS-Martin L.P.
How long has Dr. John Donkersloot been practicing?
Dr. Donkersloot graduated from medical school in 2011, 15 years ago.
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