Nicholas J. Rademacher

  • Grand Rapids, MI
  • Emergency medicine physician
NPI1790027472PAC ID5395985915
Medicare services, 2024
225
Medicare patients, 2024
193
Part D claims, 2024
167
Hospital affiliations
1
Industry payments
$1,800
Practice address
200 Jefferson Avenue SE, Grand Rapids, MI 49503
Practice phone
Call (616) 685-5000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Trinity Health Grand Rapids Hospital

Hospital · Grand Rapids, Michigan

See all 5 affiliations

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Nicholas J. Rademacher is an emergency medicine physician in Grand Rapids, Michigan

Nicholas Rademacher practices at Trinity Health Grand Rapids Hospital in Grand Rapids, Michigan, part of Trinity Health.

Nicholas Rademacher's NPI, 1790027472, was assigned on March 20, 2013. Nicholas Rademacher graduated from University of Michigan Medical School in 2013. Nicholas Rademacher holds Maryland license 9701.

NPI and contact details
Medicare PAC ID
5395985915
NPI enumeration date
March 20, 2013
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(616) 685-5000
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
39
Medical school graduation
2013

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

Nicholas J. Rademacher practices at Trinity Health Grand Rapids Hospital in Grand Rapids, Michigan

Nicholas Rademacher's primary practice is Trinity Health Grand Rapids Hospital, at 200 Jefferson Avenue SE, Grand Rapids, MI 49503 in Kent County. The practice phone is (616) 685-5000.

Source: Dmand AI Affiliation Data

Nicholas J. Rademacher is affiliated with 2 sites of care and 3 medical groups

Nicholas Rademacher's primary practice is Trinity Health Grand Rapids Hospital in Grand Rapids, Michigan, part of Trinity Health. The medical group on file is Trinity Health Medical Group. Dmand AI also links Nicholas Rademacher to 2 more medical groups and 1 group practice or clinic, each named with a free account.

See all 5 affiliations for Nicholas Rademacher

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Nicholas J. Rademacher's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Nicholas Rademacher practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Trinity Health Grand Rapids HospitalAvailable with a free account
+1 more site and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Nicholas J. Rademacher is one of 2,045 emergency medicine physicians in Michigan

Emergency medicine is Nicholas Rademacher's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Nicholas Rademacher is licensed in Maryland.

Specialties and state licenses

  • Emergency medicine, MarylandPrimaryLicense 9701 · taxonomy 207P00000X

Emergency medicine physicians near Nicholas Rademacher

Counts of emergency 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

Nicholas J. Rademacher billed Medicare for 225 services in 2024

CMS data shows 225 Medicare services from Nicholas Rademacher across 4 procedure codes in 2024, for 193 Medicare patients. Medicare paid $21,510 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024225
Medicare patients193
Paid by Medicare$21,510
Procedure codes4

Nicholas Rademacher's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 1912024: 1825%
Tests and treatments
2023: 552024: 4322%

Nicholas Rademacher compared with the Michigan median for emergency medicine physicians, 2024

  • Nicholas Rademacher
  • Michigan median
Medicare services
225vs 234Close to median
Medicare patients
193vs 21410% below
Part D claims
72vs 4657% above

Medians across 1,937 emergency medicine physicians in Michigan with Dmand AI profiles that report each measure.

Nicholas Rademacher'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

Nicholas J. Rademacher treated 193 Medicare patients in 2024, average age 65

CMS counts 193 Medicare patients who saw Nicholas Rademacher in 2024. The largest group is under 65, with 71 patients. 72% of them have high blood pressure, and 65% have high cholesterol. 51% are also on Medicaid. Their average risk score is 2.18, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Nicholas Rademacher's median patient age at 51, with 57% women.

Medicare patients, 2024193
Average age65
Average risk score2.18
Also on Medicaid51%

Nicholas Rademacher's Medicare patients by age, 2024

Nicholas Rademacher's Medicare patients by sex, 2024

  • Women10554%
  • Men8846%

Chronic conditions among Nicholas Rademacher's Medicare patients, 2024

  1. High blood pressure72%
  2. High cholesterol65%
  3. Mood disorders50%
  4. Anxiety49%
  5. Arthritis45%
  6. Depression42%
  7. Chronic kidney disease35%
  8. Diabetes32%

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

Nicholas Rademacher's patients across all payers

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

Patient panel by age, all payers

Median age 51

Patient panel by sex, all payers

  • Women57%
  • Men42%

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

Nicholas J. Rademacher wrote 167 Medicare Part D claims in 2024

In 2024, Nicholas Rademacher wrote 167 Medicare Part D claims for 122 patients. 93% of them were for generic drugs. CMS names the drug for 72 of them, across 4 drugs with 11 or more claims each, at $256 in total drug cost. In 2023, CMS named 47 claims across 3 drugs.

Part D claims, 2024167
Drugs named by CMS4
Total drug cost$256
Part D patients122

Nicholas Rademacher's Part D claims by kind of drug, 2024

  • Generic156 claims93%
  • Brand-name and other11 claims7%

Nicholas Rademacher'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 Nicholas Rademacher's Part D claims, 2024

  • Opioids21%35 of 167 claims
  • Antibiotics26%44 of 167 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: 472024: 7253%

Drugs named by CMS: 4 in 2024, 3 in 2023.

See all prescribing by Nicholas Rademacher

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 Nicholas J. Rademacher takes part in Medicare

Nicholas Rademacher 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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Nicholas J. Rademacher received $1,800 in industry payments in 2024

CMS Open Payments shows 1 general payment to Nicholas Rademacher from 1 drug or device company in 2024. Consulting fees make up the largest share, 100% of the total. Beckman Coulter, Inc. paid the most, $1,800.

Companies that paid Nicholas Rademacher the most, 2024 to 2024

Share is of all general payments to this clinician.

See all payments to Nicholas Rademacher

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

Nicholas J. Rademacher graduated from University of Michigan Medical School

Nicholas Rademacher graduated from University of Michigan Medical School in 2013.

  1. Medical schoolUniversity of Michigan Medical School

Source: Dmand AI Professional Profile Data

Sources for Nicholas J. Rademacher'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy 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 Nicholas J. Rademacher

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

What is Nicholas J. Rademacher's NPI number?

Nicholas J. Rademacher's NPI number is 1790027472. It was assigned on March 20, 2013, and it is active in the NPI Registry.

What does Nicholas J. Rademacher specialize in?

Nicholas J. Rademacher is an emergency medicine physician in Grand Rapids, Michigan. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).

Where does Nicholas J. Rademacher practice?

Nicholas Rademacher practices at 200 Jefferson Avenue SE, Grand Rapids, MI 49503. Nicholas Rademacher's primary practice is Trinity Health Grand Rapids Hospital in Grand Rapids, Michigan, part of Trinity Health. Dmand AI also links Nicholas Rademacher to 2 medical groups and 1 group practice or clinic.

What is Nicholas J. Rademacher's office phone number?

The practice phone on file for Nicholas Rademacher is (616) 685-5000.

What is Nicholas J. Rademacher's medical license number?

Nicholas Rademacher holds Maryland license 9701.

Which hospitals is Nicholas J. Rademacher affiliated with?

Nicholas Rademacher practices at Trinity Health Grand Rapids Hospital in Grand Rapids, Michigan.

What medical group is Nicholas J. Rademacher part of?

Nicholas Rademacher is linked to Trinity Health Medical Group. Dmand AI links Nicholas Rademacher to 2 more medical groups.

Does Nicholas J. Rademacher accept Medicare?

Yes. CMS data shows Nicholas Rademacher billed Medicare for 225 services in 2024, and Nicholas Rademacher accepts Medicare assignment.

How many Medicare patients does Nicholas J. Rademacher see?

CMS counts 193 Medicare patients who saw Nicholas Rademacher in 2024, with an average age of 65.

What services does Nicholas J. Rademacher bill to Medicare?

In 2024, Nicholas Rademacher's most billed Medicare services were emergency department visit (99284), emergency department visit (99285) and heart test or procedure (93010).

Show 4 more questionsShow fewer questions

Where did Nicholas J. Rademacher go to medical school?

Nicholas Rademacher graduated from University of Michigan Medical School in 2013.

What drugs does Nicholas J. Rademacher prescribe most?

In 2024 Medicare Part D data, Nicholas Rademacher's most prescribed drugs by claims were Hydrocodone-Acetaminophen, Prednisone and Cephalexin.

Has Nicholas J. Rademacher received payments from drug or device companies?

CMS Open Payments shows $1,800 in general payments to Nicholas Rademacher from 1 company from 2024 to 2024. The largest total came from Beckman Coulter, Inc.

How long has Nicholas J. Rademacher been practicing?

Nicholas Rademacher graduated from medical school in 2013, 13 years ago.

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