Leonard Joseph Bartoszewicz, DDS
- Part D claims, 2024
- 178
- Industry payments
- $14
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 2003 Burton St Se, Grand Rapids, MI 49506-4600
- Practice phone
- Call (616) 245-9830
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Leonard J Bartoszewicz
Dental practice · Grand Rapids, Michigan
Find Leonard Bartoszewicz'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.
Leonard Joseph Bartoszewicz is a general practice dentistry in Grand Rapids, Michigan
Leonard Bartoszewicz practices at Leonard J Bartoszewicz in Grand Rapids, Michigan.
Leonard Bartoszewicz's NPI, 1164577466, was assigned on January 24, 2007. Leonard Bartoszewicz holds Michigan license 2901017430.
- NPI
- 1164577466NPI Registry (opens in a new tab)
- NPI enumeration date
- January 24, 2007
- NPI status
- Active
- Practice phone
- (616) 245-9830
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Leonard Joseph Bartoszewicz practices at 2 locations in Grand Rapids, Michigan
Leonard Bartoszewicz's primary practice is Leonard J Bartoszewicz, at 2003 Burton St Se, Grand Rapids, MI 49506-4600. The practice phone is (616) 245-9830. The NPI Registry lists Leonard Bartoszewicz's practice address as 200 Jefferson SE Ave, Grand Rapids, MI 49503.
- Leonard J BartoszewiczPrimary2003 Burton St Se, Grand Rapids, MI 49506-4600Phone(616) 245-9830
- NPI Registry address200 Jefferson SE Ave, Grand Rapids, MI 49503 · Kent County
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Leonard Joseph Bartoszewicz is affiliated with 1 site of care and 1 medical group
Leonard Bartoszewicz's primary practice is Leonard J Bartoszewicz in Grand Rapids, Michigan. Dmand AI also links Leonard Bartoszewicz to 1 medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Leonard Joseph Bartoszewicz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Leonard Bartoszewicz practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Leonard J Bartoszewicz | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Leonard Joseph Bartoszewicz is one of 2,212 general practice dentistrys in Michigan
General practice is Leonard Bartoszewicz's primary specialty in the NPI Registry, under taxonomy code 1223G0001X. Leonard Bartoszewicz is licensed in Michigan.
Specialties and state licenses
- General practice dentistry, MichiganPrimary
General practice dentistrys near Leonard Bartoszewicz
Counts of general practice dentistrys 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
Leonard Joseph Bartoszewicz's patients have a median age of 78
Across all payers, Dmand AI patient panel data puts Leonard Bartoszewicz's median patient age at 78, with 50% women.
Leonard Bartoszewicz's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 78
Patient panel by sex, all payers
- Women50%
- Men50%
Source: Dmand AI Patient Panel Data
Leonard Joseph Bartoszewicz wrote 178 Medicare Part D claims in 2024
In 2024, Leonard Bartoszewicz wrote 178 Medicare Part D claims for 109 patients. 97% of them were for generic drugs.
Leonard Bartoszewicz's Part D claims by kind of drug, 2024
- Generic172 claims97%
- Brand-name and other6 claims3%
Drug classes CMS tracks in Leonard Bartoszewicz's Part D claims, 2024
- Antibiotics70%125 of 178 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
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Leonard Joseph Bartoszewicz received $14 in industry payments in 2025
CMS Open Payments shows 1 general payment to Leonard Bartoszewicz from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Straumann USA LLC paid the most, $14.
Companies that paid Leonard Bartoszewicz 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 Leonard Joseph Bartoszewicz'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 Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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) |
| 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 Leonard Joseph Bartoszewicz
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Leonard Joseph Bartoszewicz's NPI number?
Leonard Joseph Bartoszewicz's NPI number is 1164577466. It was assigned on January 24, 2007, and it is active in the NPI Registry.
What does Leonard Joseph Bartoszewicz specialize in?
Leonard Joseph Bartoszewicz is a general practice dentistry in Grand Rapids, Michigan. The primary specialty in the NPI Registry is General Practice Dentistry (taxonomy code 1223G0001X).
Where does Leonard Joseph Bartoszewicz practice?
Leonard Bartoszewicz practices at 2003 Burton St Se, Grand Rapids, MI 49506-4600. Leonard Bartoszewicz also practices at 200 Jefferson SE Ave, Grand Rapids, MI 49503. Leonard Bartoszewicz's primary practice is Leonard J Bartoszewicz in Grand Rapids, Michigan. Dmand AI also links Leonard Bartoszewicz to 1 medical group.
What is Leonard Joseph Bartoszewicz's office phone number?
The practice phone on file for Leonard Bartoszewicz is (616) 245-9830.
What is Leonard Joseph Bartoszewicz's medical license number?
Leonard Bartoszewicz holds Michigan license 2901017430.
Has Leonard Joseph Bartoszewicz received payments from drug or device companies?
CMS Open Payments shows $14 in general payments to Leonard Bartoszewicz from 1 company from 2025 to 2025. The largest total came from Straumann USA LLC.
How long has Leonard Joseph Bartoszewicz been practicing?
Leonard Bartoszewicz's NPI was assigned in 2007.
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