Marcus Wollak
- Part D claims, 2024
- 7,550
- Hospital affiliations
- 3
- Industry payments
- $21
- Medical group
- 1
- State license
- 1
- Practice address
- 301 John St, Kalamazoo, MI 49007
- Practice phone
- Call (269) 657-2550
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Bronson Medical Group
Kalamazoo, Michigan
Find Marcus Wollak'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.
Marcus Wollak is a physician assistant in Kalamazoo, Michigan
Marcus Wollak practices at Bronson Medical Group in Kalamazoo, Michigan.
Marcus Wollak's NPI, 1417572827, was assigned on June 11, 2020. Marcus Wollak holds Michigan license 5601010639.
- NPI
- 1417572827NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4284036351
- NPI enumeration date
- June 11, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (269) 657-2550
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Marcus Wollak practices at Bronson Medical Group in Kalamazoo, Michigan
Marcus Wollak's primary practice is Bronson Medical Group, at 301 John St, Kalamazoo, MI 49007 in Kalamazoo County. The practice phone is (269) 657-2550.
- Bronson Medical Group301 John St, Kalamazoo, MI 49007 · Kalamazoo CountyPhone(269) 657-2550
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Marcus Wollak is affiliated with 4 sites of care and 1 medical group
Marcus Wollak's primary practice is Bronson Medical Group in Kalamazoo, Michigan. Marcus Wollak is also affiliated with Bronson Methodist Hospital. The medical group on file is Bronson Medical Group. Dmand AI also links Marcus Wollak to 2 more hospitals, 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 Marcus Wollak's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Marcus Wollak practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Bronson Medical Group | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Marcus Wollak is one of 5,857 physician assistants in Michigan
Physician assistant is Marcus Wollak's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Marcus Wollak is licensed in Michigan.
Specialties and state licenses
- Physician assistant, MichiganPrimary
Physician assistants near Marcus Wollak
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
Marcus Wollak's patients have a median age of 68
Across all payers, Dmand AI patient panel data puts Marcus Wollak's median patient age at 68, with 39% women.
Marcus Wollak's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women39%
- Men61%
Source: Dmand AI Patient Panel Data
Marcus Wollak wrote 7,550 Medicare Part D claims in 2024
In 2024, Marcus Wollak wrote 7,550 Medicare Part D claims for 605 patients. 88% of them were for generic drugs.
Marcus Wollak's Part D claims by kind of drug, 2024
- Generic6,679 claims88%
- Brand-name837 claims11%
- Other34 claims0%
Drug classes CMS tracks in Marcus Wollak's Part D claims, 2024
- Opioids7%513 of 7,550 claims
- Antibiotics1%108 of 7,550 claims
- Antipsychotics, patients 65 and over0%12 of 7,550 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Marcus Wollak takes part in Medicare
Marcus Wollak 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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Marcus Wollak received $21 in industry payments in 2025
CMS Open Payments shows 1 general payment to Marcus Wollak from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $21.
Companies that paid Marcus Wollak the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Marcus Wollak'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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | 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) |
| 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 Marcus Wollak
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Marcus Wollak's NPI number?
Marcus Wollak's NPI number is 1417572827. It was assigned on June 11, 2020, and it is active in the NPI Registry.
What does Marcus Wollak specialize in?
Marcus Wollak is a physician assistant in Kalamazoo, Michigan. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Marcus Wollak practice?
Marcus Wollak practices at 301 John St, Kalamazoo, MI 49007. Marcus Wollak's primary practice is Bronson Medical Group in Kalamazoo, Michigan. Dmand AI also links Marcus Wollak to 2 hospitals.
What is Marcus Wollak's office phone number?
The practice phone on file for Marcus Wollak is (269) 657-2550.
What is Marcus Wollak's medical license number?
Marcus Wollak holds Michigan license 5601010639, one of 2 state licenses on file.
Which hospitals is Marcus Wollak affiliated with?
Marcus Wollak is affiliated with Bronson Methodist Hospital. Dmand AI links Marcus Wollak to 2 more hospitals.
What medical group is Marcus Wollak part of?
Marcus Wollak is linked to Bronson Medical Group.
Does Marcus Wollak accept Medicare?
Yes. CMS lists Marcus Wollak as accepting Medicare assignment.
Has Marcus Wollak received payments from drug or device companies?
CMS Open Payments shows $21 in general payments to Marcus Wollak from 1 company from 2025 to 2025. The largest total came from Novo Nordisk Inc.
How long has Marcus Wollak been practicing?
Marcus Wollak graduated from medical school in 2021, 5 years ago.
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