Tomasz A. Chrzan, DMD
- Part D claims, 2024
- 58
- Industry payments
- $14
- Affiliated sites
- 1
- State license
- 1
- Year NPI issued
- 2007
- Practice address
- 100 Shaker Rd, East Longmeadow, MA 01028
- Practice phone
- Call (413) 525-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Atrium Dental Group
Physician office · East Longmeadow, Massachusetts
Find Tomasz Chrzan'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.
Tomasz A. Chrzan is a general practice dentistry in Northampton, Massachusetts
Tomasz Chrzan practices at Atrium Dental Group in East Longmeadow, Massachusetts.
Tomasz Chrzan's NPI, 1164649984, was assigned on April 20, 2007. Tomasz Chrzan holds Massachusetts license 21508.
- NPI
- 1164649984NPI Registry (opens in a new tab)
- NPI enumeration date
- April 20, 2007
- NPI status
- Active
- Practice phone
- (413) 525-3000
- 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 Affiliation Data
Tomasz A. Chrzan practices in East Longmeadow and Northampton
Tomasz Chrzan's primary practice is Atrium Dental Group, at 100 Shaker Rd, East Longmeadow, MA 01028. The practice phone is (413) 525-3000. The NPI Registry lists Tomasz Chrzan's practice address as 6 Hatfield St, Northampton, MA 01060.
- Atrium Dental GroupPrimary100 Shaker Rd, East Longmeadow, MA 01028Phone(413) 525-3000
- NPI Registry address6 Hatfield St, Northampton, MA 01060 · Hampshire County
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Tomasz A. Chrzan is affiliated with 1 site of care
Tomasz Chrzan's primary practice is Atrium Dental Group in East Longmeadow, Massachusetts.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Tomasz A. Chrzan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Tomasz Chrzan practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Atrium Dental Group | Available with a free account |
Source: Dmand AI Technology Install Data
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Tomasz A. Chrzan is one of 1,941 general practice dentistrys in Massachusetts
General practice is Tomasz Chrzan's primary specialty in the NPI Registry, under taxonomy code 1223G0001X. Tomasz Chrzan is licensed in Massachusetts.
Specialties and state licenses
- General practice dentistry, MassachusettsPrimary
General practice dentistrys near Tomasz Chrzan
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
Tomasz A. Chrzan's patients have a median age of 61
Across all payers, Dmand AI patient panel data puts Tomasz Chrzan's median patient age at 61, with 0% women.
Tomasz Chrzan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
Tomasz A. Chrzan wrote 58 Medicare Part D claims in 2024
In 2024, Tomasz Chrzan wrote 58 Medicare Part D claims for 35 patients. 100% of them were for generic drugs.
Drug classes CMS tracks in Tomasz Chrzan's Part D claims, 2024
- Antibiotics86%50 of 58 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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Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Tomasz A. Chrzan received $14 in industry payments in 2025
CMS Open Payments shows 1 general payment to Tomasz Chrzan from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Dentsply Sirona Inc paid the most, $14.
Companies that paid Tomasz Chrzan 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 Tomasz A. Chrzan'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 DataDmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation 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) |
| 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 Tomasz A. Chrzan
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Tomasz A. Chrzan's NPI number?
Tomasz A. Chrzan's NPI number is 1164649984. It was assigned on April 20, 2007, and it is active in the NPI Registry.
What does Tomasz A. Chrzan specialize in?
Tomasz A. Chrzan is a general practice dentistry in Northampton, Massachusetts. The primary specialty in the NPI Registry is General Practice Dentistry (taxonomy code 1223G0001X).
Where does Tomasz A. Chrzan practice?
Tomasz Chrzan practices at 100 Shaker Rd, East Longmeadow, MA 01028. Tomasz Chrzan also practices at 6 Hatfield St, Northampton, MA 01060. Tomasz Chrzan's primary practice is Atrium Dental Group in East Longmeadow, Massachusetts.
What is Tomasz A. Chrzan's office phone number?
The practice phone on file for Tomasz Chrzan is (413) 525-3000.
What is Tomasz A. Chrzan's medical license number?
Tomasz Chrzan holds Massachusetts license 21508.
Has Tomasz A. Chrzan received payments from drug or device companies?
CMS Open Payments shows $14 in general payments to Tomasz Chrzan from 1 company from 2025 to 2025. The largest total came from Dentsply Sirona Inc.
How long has Tomasz A. Chrzan been practicing?
Tomasz Chrzan's NPI was assigned in 2007.
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