Maciej Sielski, DDS
- Industry payments
- $50
- Affiliated sites
- 1
- Medical group
- 1
- State licenses
- 3
- Year NPI issued
- 2011
- Practice address
- 16944 South Highland Avenue, Fontana, CA 92336
- Practice phone
- Call (909) 275-7179
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Dentists Of Fontana Dental Group
Dental practice · Fontana, California
Find Maciej Sielski'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.
Maciej Sielski is a general practice dentistry in Fontana, California
Maciej Sielski practices at Dentists Of Fontana Dental Group in Fontana, California.
Maciej Sielski's NPI, 1598044554, was assigned on August 9, 2011. Maciej Sielski holds California license 101416.
- NPI
- 1598044554NPI Registry (opens in a new tab)
- NPI enumeration date
- August 9, 2011
- NPI status
- Active
- Practice phone
- (909) 275-7179
- 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)
Maciej Sielski practices at Dentists of Fontana Dental Group in Fontana, California
Maciej Sielski's primary practice is Dentists of Fontana Dental Group, at 16944 South Highland Avenue, Fontana, CA 92336. The practice phone is (909) 275-7179.
- Dentists of Fontana Dental Group16944 South Highland Avenue, Fontana, CA 92336Phone(909) 275-7179
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Maciej Sielski is affiliated with 1 site of care and 1 medical group
Maciej Sielski's primary practice is Dentists Of Fontana Dental Group in Fontana, California. Dmand AI also links Maciej Sielski 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 Maciej Sielski's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Maciej Sielski practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dentists Of Fontana Dental Group | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Maciej Sielski is one of 7,627 general practice dentistrys in California
General practice is Maciej Sielski's primary specialty in the NPI Registry, under taxonomy code 1223G0001X. Dmand AI has Maciej Sielski's licenses on file in 3 states: California, Illinois and Texas.
Specialties and state licenses
- General practice dentistry, CaliforniaPrimary
- Dentist, Illinois
- Texas license
General practice dentistrys near Maciej Sielski
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
Maciej Sielski received $50 in industry payments in 2025
CMS Open Payments shows 1 general payment to Maciej Sielski from 1 drug or device company in 2025. Education make up the largest share, 100% of the total. Align Technology, Inc. paid the most, $50.
Companies that paid Maciej Sielski 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 Maciej Sielski'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 | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors 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 Maciej Sielski
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Maciej Sielski's NPI number?
Maciej Sielski's NPI number is 1598044554. It was assigned on August 9, 2011, and it is active in the NPI Registry.
What does Maciej Sielski specialize in?
Maciej Sielski is a general practice dentistry in Fontana, California. The primary specialty in the NPI Registry is General Practice Dentistry (taxonomy code 1223G0001X).
Where does Maciej Sielski practice?
Maciej Sielski practices at 16944 South Highland Avenue, Fontana, CA 92336. Maciej Sielski's primary practice is Dentists Of Fontana Dental Group in Fontana, California. Dmand AI also links Maciej Sielski to 1 medical group.
What is Maciej Sielski's office phone number?
The practice phone on file for Maciej Sielski is (909) 275-7179.
What is Maciej Sielski's medical license number?
Maciej Sielski holds California license 101416, one of the licenses on file in 3 states.
Which states has Maciej Sielski been licensed in?
Dmand AI has state licenses on file for Maciej Sielski in California, Illinois and Texas.
Has Maciej Sielski received payments from drug or device companies?
CMS Open Payments shows $50 in general payments to Maciej Sielski from 1 company from 2025 to 2025. The largest total came from Align Technology, Inc.
How long has Maciej Sielski been practicing?
Maciej Sielski's NPI was assigned in 2011.
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