Anti-Bacterial AgentsAntibiotic ProphylaxisGestational Age
Dr. Michael John Tolkacz, MD
NPI1144887241
- Part D claims, 2024
- 49
- Publications
- 4
- Industry payments
- $197
- State license
- 1
- Year NPI issued
- 2019
- Practice address
- 3601 W 13 Mile Rd, Royal Oak, MI 48073
- Practice phone
- Call (248) 898-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Beaumont Hospital - Royal Oak
Royal Oak, Michigan
Find Dr. Tolkacz'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. Michael John Tolkacz is a general surgeon in Royal Oak, Michigan
Dr. Tolkacz practices at Beaumont Hospital - Royal Oak in Royal Oak, Michigan.
Dr. Tolkacz's NPI, 1144887241, was assigned on May 23, 2019. Dr. Tolkacz holds Michigan license 4351044713.
NPI and contact details
- NPI
- 1144887241NPI Registry (opens in a new tab)
- NPI enumeration date
- May 23, 2019
- NPI status
- Active
- Practice phone
- (248) 898-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Michael John Tolkacz practices at Beaumont Hospital - Royal Oak in Royal Oak, Michigan
Dr. Tolkacz's primary practice is Beaumont Hospital - Royal Oak, at 3601 W 13 Mile Rd, Royal Oak, MI 48073 in Oakland County. The practice phone is (248) 898-5000.
- Beaumont Hospital - Royal Oak3601 W 13 Mile Rd, Royal Oak, MI 48073 · Oakland CountyPhone(248) 898-5000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Michael John Tolkacz is affiliated with 1 site of care
Dr. Tolkacz's primary practice is Beaumont Hospital - Royal Oak in Royal Oak, Michigan.
Beaumont Hospital - Royal OakPrimary
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Michael John Tolkacz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tolkacz practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Beaumont Hospital - Royal Oak | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Michael John Tolkacz is one of 1,095 general surgeons in Michigan
Surgery is Dr. Tolkacz's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Tolkacz is licensed in Michigan.
Specialties and state licenses
- Surgery, MichiganPrimary
General surgeons near Dr. Tolkacz
Counts of general surgeons 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. Michael John Tolkacz's patients have a median age of 70
Across all payers, Dmand AI patient panel data puts Dr. Tolkacz's median patient age at 70, with 80% women.
Dr. Tolkacz's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women80%
- Men20%
Source: Dmand AI Patient Panel Data
Dr. Michael John Tolkacz wrote 49 Medicare Part D claims in 2024
In 2024, Dr. Tolkacz wrote 49 Medicare Part D claims for 36 patients. 100% of them were for generic drugs. CMS names the drug for 28 of them, across 1 drug with 11 or more claims each, at $38 in total drug cost. In 2022, CMS named 28 claims across 2 drugs.
Part D claims, 202449
Drugs named by CMS1
Total drug cost$38
Part D patients36
Dr. Tolkacz'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. Tolkacz's Part D claims, 2024
- Opioids65%32 of 49 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, 2022 to 2024
- 2022
- 2024
- Claims for drugs CMS names
- 2022: 282024: 28No change
Drugs named by CMS: 1 in 2024, 2 in 2022.
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
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Dr. Michael John Tolkacz has 4 publications on record
Dmand AI links 4 papers to Dr. Tolkacz, published from 2019 to 2024. 2024 was the busiest year, with 2. Dr. Tolkacz's most frequent co-authors are Begum Akay, MD, Pavan Brahmamdam, MD and Alexander Michael Demare, MD.
Papers4
Years published2019 to 2024
Dr. Tolkacz's papers by year, 2019 to 2024
Dr. Tolkacz's most frequent co-authors
- Begum Akay, MD1 shared paper
- Pavan Brahmamdam, MD1 shared paper
- Alexander Michael Demare, MD1 shared paper
Recent publications by Dr. Tolkacz
Calcium Channel BlockersDrug OverdoseExtracorporeal Membrane Oxygenation
Colorectal NeoplasmsColorectal SurgeryEnhanced Recovery After Surgery
See who Dr. Tolkacz researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Tolkacz works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Michael John Tolkacz received $197 in industry payments from 2024 to 2025
CMS Open Payments shows 2 general payments to Dr. Tolkacz from 2 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Becton, Dickinson and Company paid the most, $182.
General payments to Dr. Tolkacz by program year, 2024 to 2025
Companies that paid Dr. Tolkacz the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Michael John Tolkacz'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 Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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 Dr. Michael John Tolkacz
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. Michael John Tolkacz's NPI number?
Dr. Michael John Tolkacz's NPI number is 1144887241. It was assigned on May 23, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael John Tolkacz?
Dr. Michael John Tolkacz is a general surgeon in Royal Oak, Michigan. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Michael John Tolkacz practice?
Dr. Tolkacz practices at 3601 W 13 Mile Rd, Royal Oak, MI 48073. Dr. Tolkacz's primary practice is Beaumont Hospital - Royal Oak in Royal Oak, Michigan.
What is Dr. Michael John Tolkacz's office phone number?
The practice phone on file for Dr. Tolkacz is (248) 898-5000.
What is Dr. Michael John Tolkacz's medical license number?
Dr. Tolkacz holds Michigan license 4351044713.
What drugs does Dr. Michael John Tolkacz prescribe most?
In 2024 Medicare Part D data, Dr. Tolkacz's most prescribed drugs by claims were Oxycodone HCl.
Has Dr. Michael John Tolkacz received payments from drug or device companies?
CMS Open Payments shows $197 in general payments to Dr. Tolkacz from 2 companies from 2024 to 2025. The largest total came from Becton, Dickinson and Company.
How long has Dr. Michael John Tolkacz been practicing?
Dr. Tolkacz's NPI was assigned in 2019.
Does Dr. Michael John Tolkacz do research?
Dmand AI links 4 publications to Dr. Tolkacz, published from 2019 to 2024.
Who does Dr. Michael John Tolkacz publish with?
Dr. Tolkacz's most frequent co-authors are Begum Akay, MD (1 shared paper), Pavan Brahmamdam, MD (1 shared paper) and Alexander Michael Demare, MD (1 shared paper).
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