Erik Louis Marchinek, PA

  • Grand Rapids, MI
  • Physician assistant
NPI1720481831PAC ID1557582525
Medicare patients, 2024
83
Part D claims, 2024
379
Hospital affiliations
1
Medical groups
3
State license
1
Practice address
100 Michigan St NE, Grand Rapids, MI 49503
Practice phone
Call (616) 391-1774
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

See all 4 affiliations

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Erik Louis Marchinek is a physician assistant in Grand Rapids, Michigan

Erik Marchinek practices at Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan, part of Corewell Health.

Erik Marchinek's NPI, 1720481831, was assigned on October 2, 2014. Erik Marchinek holds Michigan license 5601008559.

NPI and contact details
Medicare PAC ID
1557582525
NPI enumeration date
October 2, 2014
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(616) 391-1774
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
36
Medical school graduation
2016

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

Erik Louis Marchinek practices at Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan

Erik Marchinek'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.

Source: Dmand AI Affiliation Data

Erik Louis Marchinek is affiliated with 1 site of care and 3 medical groups

Erik Marchinek's primary practice is Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan, part of Corewell Health. The medical group on file is Corewell Health Medical Group West. Dmand AI also links Erik Marchinek to 2 more medical groups, each named with a free account.

See all 4 affiliations for Erik Marchinek

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

Dmand AI tracks the EHR system at Erik Louis Marchinek's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Erik Marchinek practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Corewell Health Grand Rapids Hospitals - ButterworthAvailable with a free account
+2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Erik Louis Marchinek is one of 5,857 physician assistants in Michigan

Physician assistant is Erik Marchinek's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Erik Marchinek is licensed in Michigan.

Specialties and state licenses

  • Physician assistant, MichiganPrimaryLicense 5601008559 · taxonomy 363A00000X

Physician assistants near Erik Marchinek

Counts of physician assistants 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

Erik Louis Marchinek treated 83 Medicare patients in 2024, average age 75

CMS counts 83 Medicare patients who saw Erik Marchinek in 2024. The largest group is 65 to 74, with 33 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.39, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Erik Marchinek's median patient age at 69, with 36% women.

Medicare patients, 202483
Average age75
Average risk score1.39

Erik Marchinek's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Erik Marchinek's Medicare patients by sex, 2024

  • Women3340%
  • Men5060%

Chronic conditions among Erik Marchinek's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Ischemic heart disease75%
  4. Heart failure59%
  5. Arthritis43%
  6. Atrial fibrillation39%
  7. Diabetes37%
  8. Mood disorders36%

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

Erik Marchinek's patients across all payers

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

Patient panel by age, all payers

Median age 69

Patient panel by sex, all payers

  • Women36%
  • Men64%

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

Erik Louis Marchinek wrote 379 Medicare Part D claims in 2024

In 2024, Erik Marchinek wrote 379 Medicare Part D claims for 91 patients. 79% of them were for generic drugs.

Part D claims, 2024379
Part D patients91

Erik Marchinek's Part D claims by kind of drug, 2024

  • Generic298 claims79%
  • Brand-name81 claims21%

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Erik Louis Marchinek takes part in Medicare

Erik Marchinek 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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Sources for Erik Louis Marchinek'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 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 (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
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 Erik Louis Marchinek

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

What is Erik Louis Marchinek's NPI number?

Erik Louis Marchinek's NPI number is 1720481831. It was assigned on October 2, 2014, and it is active in the NPI Registry.

What does Erik Louis Marchinek specialize in?

Erik Louis Marchinek is a physician assistant in Grand Rapids, Michigan. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Erik Louis Marchinek practice?

Erik Marchinek practices at 100 Michigan St NE, Grand Rapids, MI 49503. Erik Marchinek's primary practice is Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan, part of Corewell Health. Dmand AI also links Erik Marchinek to 2 medical groups.

What is Erik Louis Marchinek's office phone number?

The practice phone on file for Erik Marchinek is (616) 391-1774.

What is Erik Louis Marchinek's medical license number?

Erik Marchinek holds Michigan license 5601008559.

Which hospitals is Erik Louis Marchinek affiliated with?

Erik Marchinek practices at Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan.

What medical group is Erik Louis Marchinek part of?

Erik Marchinek is linked to Corewell Health Medical Group West. Dmand AI links Erik Marchinek to 2 more medical groups.

Does Erik Louis Marchinek accept Medicare?

Yes. CMS lists Erik Marchinek as accepting Medicare assignment.

How many Medicare patients does Erik Louis Marchinek see?

CMS counts 83 Medicare patients who saw Erik Marchinek in 2024, with an average age of 75.

How long has Erik Louis Marchinek been practicing?

Erik Marchinek graduated from medical school in 2016, 10 years ago.

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