Dr. John Michael Jansen, MD
- Medicare services, 2024
- 193
- Medicare patients, 2024
- 89
- Part D claims, 2024
- 3,263
- Hospital affiliations
- 2
- Industry payments
- $24
- Practice address
- 100 Michigan St NE, Grand Rapids, MI 49503
- Practice phone
- Call (616) 391-1774
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Jansen'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 Michael Jansen is a family medicine physician in Grand Rapids, Michigan
Dr. Jansen practices at Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan, part of Corewell Health.
Dr. Jansen's NPI, 1437711520, was assigned on June 28, 2019. Dr. Jansen graduated from Michigan State University College of Human Medicine in 2019. Dr. Jansen holds Michigan license 4351045672.
- NPI
- 1437711520NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4183953938
- NPI enumeration date
- June 28, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (616) 391-1774
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Michael Jansen practices at Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan
Dr. Jansen's primary practice is Corewell Health Grand Rapids Hospitals - Butterworth, at 100 Michigan St NE, Grand Rapids, MI 49503 in Kent County. The practice phone is (616) 391-1774.
- Corewell Health Grand Rapids Hospitals - Butterworth100 Michigan St NE, Grand Rapids, MI 49503 · Kent CountyPhone(616) 391-1774
Source: Dmand AI Affiliation Data
Dr. John Michael Jansen is affiliated with 4 sites of care and 3 medical groups
Dr. Jansen's primary practice is Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan, part of Corewell Health. Dr. Jansen is also affiliated with Corewell Health Gerber Hospital. The medical group on file is Corewell Health Medical Group West. Dmand AI also links Dr. Jansen to 2 more group practices and clinics and 2 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John Michael Jansen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Jansen practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Corewell Health Grand Rapids Hospitals - Butterworth | Available with a free account |
| +3 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John Michael Jansen is one of 4,931 family medicine physicians in Michigan
Family medicine is Dr. Jansen's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Jansen is licensed in Michigan.
Specialties and state licenses
- Family medicine, MichiganPrimary
Family medicine physicians near Dr. Jansen
Counts of family medicine 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 Michael Jansen billed Medicare for 193 services in 2024
CMS data shows 193 Medicare services from Dr. Jansen across 6 procedure codes in 2024, for 89 Medicare patients. Medicare paid $13,939 for them. Every service was in an office.
Dr. Jansen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 722024: 151110%
- Tests and treatments
- 2023: 02024: 18
- Lab and pathology
- 2023: 02024: 12
- Other services
- 2023: 02024: 12
Dr. Jansen compared with the Michigan median for family medicine physicians, 2024
- Dr. Jansen
- Michigan median
- Medicare services
- 193vs 24822% below
- Medicare patients
- 89vs 11221% below
- Part D claims
- 2,692vs 1,0332.6 times
Medians across 4,990 family medicine physicians in Michigan with Dmand AI profiles that report each measure.
Dr. Jansen'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Jansen and other family medicine physicians in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Michael Jansen treated 89 Medicare patients in 2024, average age 70
CMS counts 89 Medicare patients who saw Dr. Jansen in 2024. The largest group is 65 to 74, with 41 patients. 74% of them have high cholesterol, and 71% have high blood pressure. 21% are also on Medicaid. Their average risk score is 1.36, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Jansen's median patient age at 53, with 50% women.
Dr. Jansen's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Jansen's Medicare patients by sex, 2024
- Women4449%
- Men4551%
Chronic conditions among Dr. Jansen's Medicare patients, 2024
- High cholesterol74%
- High blood pressure71%
- Arthritis49%
- Diabetes42%
- Mood disorders33%
- Anxiety30%
- Depression30%
- Chronic kidney disease28%
Share of Medicare patients with each condition. A patient can have several.
Dr. Jansen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 53
Patient panel by sex, all payers
- Women50%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John Michael Jansen wrote 3,263 Medicare Part D claims in 2024
In 2024, Dr. Jansen wrote 3,263 Medicare Part D claims for 438 patients. 87% of them were for generic drugs. CMS names the drug for 2,692 of them, across 72 drugs with 11 or more claims each, at $239,612 in total drug cost. In 2023, CMS named 369 claims across 21 drugs.
Dr. Jansen's Part D claims by kind of drug, 2024
- Generic2,828 claims87%
- Brand-name404 claims12%
- Other31 claims1%
Dr. Jansen'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.
Drug classes CMS tracks in Dr. Jansen's Part D claims, 2024
- Opioids3%106 of 3,263 claims
- Antibiotics2%66 of 3,263 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 3692024: 2,692630%
Drugs named by CMS: 72 in 2024, 21 in 2023.
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
Dr. John Michael Jansen offers telehealth to Medicare patients
Dr. Jansen accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Jansen as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. John Michael Jansen received $24 in industry payments in 2024
CMS Open Payments shows 1 general payment to Dr. Jansen from 1 drug or device company in 2024. Food and beverage make up the largest share, 100% of the total. Pfizer Inc. paid the most, $24.
Companies that paid Dr. Jansen the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John Michael Jansen graduated from Michigan State University College of Human Medicine
Dr. Jansen graduated from Michigan State University College of Human Medicine in 2019.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John Michael Jansen'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand 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)Medicare Part D Prescribers - by Provider (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) |
| 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 Michael Jansen
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 Michael Jansen's NPI number?
Dr. John Michael Jansen's NPI number is 1437711520. It was assigned on June 28, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. John Michael Jansen?
Dr. John Michael Jansen is a family medicine physician in Grand Rapids, Michigan. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. John Michael Jansen practice?
Dr. Jansen practices at 100 Michigan St NE, Grand Rapids, MI 49503. Dr. Jansen's primary practice is Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan, part of Corewell Health. Dmand AI also links Dr. Jansen to 2 group practices and clinics and 2 medical groups.
What is Dr. John Michael Jansen's office phone number?
The practice phone on file for Dr. Jansen is (616) 391-1774.
What is Dr. John Michael Jansen's medical license number?
Dr. Jansen holds Michigan license 4351045672.
Which hospitals is Dr. John Michael Jansen affiliated with?
Dr. Jansen practices at Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan. Dr. Jansen is also affiliated with Corewell Health Gerber Hospital.
What medical group is Dr. John Michael Jansen part of?
Dr. Jansen is linked to Corewell Health Medical Group West. Dmand AI links Dr. Jansen to 2 more medical groups.
Does Dr. John Michael Jansen accept Medicare?
Yes. CMS data shows Dr. Jansen billed Medicare for 193 services in 2024, and Dr. Jansen accepts Medicare assignment.
Does Dr. John Michael Jansen offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Jansen as offering telehealth services.
How many Medicare patients does Dr. John Michael Jansen see?
CMS counts 89 Medicare patients who saw Dr. Jansen in 2024, with an average age of 70.
Show 5 more questionsShow fewer questions
What services does Dr. John Michael Jansen bill to Medicare?
In 2024, Dr. Jansen's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99215) and office visit, established patient (99213).
Where did Dr. John Michael Jansen go to medical school?
Dr. Jansen graduated from Michigan State University College of Human Medicine in 2019.
What drugs does Dr. John Michael Jansen prescribe most?
In 2024 Medicare Part D data, Dr. Jansen's most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Amlodipine Besylate.
Has Dr. John Michael Jansen received payments from drug or device companies?
CMS Open Payments shows $24 in general payments to Dr. Jansen from 1 company from 2024 to 2024. The largest total came from Pfizer Inc.
How long has Dr. John Michael Jansen been practicing?
Dr. Jansen graduated from medical school in 2019, 7 years ago.
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