Gregory M. Okoniewski, DDS
- Part D claims, 2024
- 60
- Industry payments
- $58
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 3916 Auburn Rd Ste 100 Suite 100, Auburn Hills, MI 48326-3322
- Practice phone
- Call (248) 852-1820
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Gregory M Okoniewski
Dental practice · Auburn Hills, Michigan
Find Gregory Okoniewski'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.
Gregory M. Okoniewski is a general practice dentistry in Rochester, Michigan
Gregory Okoniewski practices at Gregory M Okoniewski in Auburn Hills, Michigan.
Gregory Okoniewski's NPI, 1649258609, was assigned on January 9, 2006. Gregory Okoniewski holds Michigan license 13796.
- NPI
- 1649258609NPI Registry (opens in a new tab)
- NPI enumeration date
- January 9, 2006
- NPI status
- Active
- Practice phone
- (248) 852-1820
- 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)
Gregory M. Okoniewski practices in Auburn Hills and Rochester
Gregory Okoniewski's primary practice is Gregory M Okoniewski, at 3916 Auburn Rd Ste 100 Suite 100, Auburn Hills, MI 48326-3322. The practice phone is (248) 852-1820. The NPI Registry lists Gregory Okoniewski's practice address as 1135 W University Dr, Rochester, MI 48307.
- Gregory M OkoniewskiPrimary3916 Auburn Rd Ste 100 Suite 100, Auburn Hills, MI 48326-3322Phone(248) 852-1820
- NPI Registry address1135 W University Dr, Rochester, MI 48307 · Oakland County
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Gregory M. Okoniewski is affiliated with 1 site of care and 1 medical group
Gregory Okoniewski's primary practice is Gregory M Okoniewski in Auburn Hills, Michigan. Dmand AI also links Gregory Okoniewski 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 Gregory M. Okoniewski's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Gregory Okoniewski practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Gregory M Okoniewski | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Gregory M. Okoniewski is one of 2,212 general practice dentistrys in Michigan
General practice is Gregory Okoniewski's primary specialty in the NPI Registry, under taxonomy code 1223G0001X. Gregory Okoniewski is licensed in Michigan.
Specialties and state licenses
- General practice dentistry, MichiganPrimary
General practice dentistrys near Gregory Okoniewski
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
Gregory M. Okoniewski's patients have a median age of 70
Across all payers, Dmand AI patient panel data puts Gregory Okoniewski's median patient age at 70, with 60% women.
Gregory Okoniewski'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
- Women60%
- Men40%
Source: Dmand AI Patient Panel Data
Gregory M. Okoniewski wrote 60 Medicare Part D claims in 2024
In 2024, Gregory Okoniewski wrote 60 Medicare Part D claims for 47 patients. 100% of them were for generic drugs.
Drug classes CMS tracks in Gregory Okoniewski's Part D claims, 2024
- Antibiotics98%59 of 60 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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Gregory M. Okoniewski received $58 in industry payments in 2025
CMS Open Payments shows 2 general payments to Gregory Okoniewski from 2 drug and device companies in 2025. Education make up the largest share, 69% of the total. Hu-Friedy Mfg. Co., LLC paid the most, $40.
General payments to Gregory Okoniewski by kind, 2025 to 2025
- Education$4069%
- Food and beverage$1831%
Companies that paid Gregory Okoniewski 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 Gregory M. Okoniewski'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 Gregory M. Okoniewski
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Gregory M. Okoniewski's NPI number?
Gregory M. Okoniewski's NPI number is 1649258609. It was assigned on January 9, 2006, and it is active in the NPI Registry.
What does Gregory M. Okoniewski specialize in?
Gregory M. Okoniewski is a general practice dentistry in Rochester, Michigan. The primary specialty in the NPI Registry is General Practice Dentistry (taxonomy code 1223G0001X).
Where does Gregory M. Okoniewski practice?
Gregory Okoniewski practices at 3916 Auburn Rd Ste 100 Suite 100, Auburn Hills, MI 48326-3322. Gregory Okoniewski also practices at 1135 W University Dr, Rochester, MI 48307. Gregory Okoniewski's primary practice is Gregory M Okoniewski in Auburn Hills, Michigan. Dmand AI also links Gregory Okoniewski to 1 medical group.
What is Gregory M. Okoniewski's office phone number?
The practice phone on file for Gregory Okoniewski is (248) 852-1820.
What is Gregory M. Okoniewski's medical license number?
Gregory Okoniewski holds Michigan license 13796.
Has Gregory M. Okoniewski received payments from drug or device companies?
CMS Open Payments shows $58 in general payments to Gregory Okoniewski from 2 companies from 2025 to 2025. The largest total came from Hu-Friedy Mfg. Co., LLC.
How long has Gregory M. Okoniewski been practicing?
Gregory Okoniewski's NPI was assigned in 2006.
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