Dr. Thomas Tung Chen, MD
- Medicare services, 2021
- 43
- Part D claims, 2022
- 17
- Industry payments
- $1,408
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 100 Spalding Dr, Naperville, IL 60540
- Practice phone
- Call (630) 961-9485
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Chen'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. Thomas Tung Chen is an OB-GYN in Naperville, Illinois
Dr. Chen practices in Naperville, Illinois.
Dr. Chen's NPI, 1518040401, was assigned on October 23, 2006. Dr. Chen graduated from George Washington University School of Medicine in 1979. Dr. Chen holds Illinois license 036060483.
- NPI
- 1518040401NPI Registry (opens in a new tab)
- NPI enumeration date
- October 23, 2006
- NPI status
- Active
- Practice phone
- (630) 961-9485
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 73
- Medical school graduation
- 1979
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Thomas Tung Chen's practice address is in Naperville, Illinois
Dr. Chen's practice address in the NPI Registry is 100 Spalding Dr, Naperville, IL 60540, in Dupage County. The practice phone is (630) 961-9485.
- NPI Registry address100 Spalding Dr, Naperville, IL 60540 · Dupage CountyPhone(630) 961-9485
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Thomas Tung Chen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chen practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Chen's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Thomas Tung Chen is one of 1,665 OB-GYNs in Illinois
Obstetrics and gynecology is Dr. Chen's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Chen is licensed in Illinois.
Specialties and state licenses
- Obstetrics and gynecology, IllinoisPrimary
OB-GYNs near Dr. Chen
Counts of OB-GYNs 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. Thomas Tung Chen billed Medicare for 43 services in 2021
CMS data shows 43 Medicare services from Dr. Chen across 2 procedure codes in 2021. Medicare paid $1,911 for them. Every service was in an office.
Dr. Chen's Medicare services by type, 2020 to 2021
- 2020
- 2021
- Other services
- 2020: 212021: 43105%
Dr. Chen compared with the Illinois median for OB-GYNs, 2021
- Dr. Chen
- Illinois median
- Medicare services
- 43vs 4810% below
- Part D claims
- 17vs 2839% below
Medians across 1,360 OB-GYNs in Illinois with Dmand AI profiles that report each measure.
Dr. Chen's most billed Medicare procedure codes, 2021
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chen and other OB-GYNs in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Thomas Tung Chen's patients have a median age of 46
Across all payers, Dmand AI patient panel data puts Dr. Chen's median patient age at 46, with 97% women.
Dr. Chen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 46
Patient panel by sex, all payers
- Women97%
- Men3%
Source: Dmand AI Patient Panel Data
Dr. Thomas Tung Chen wrote 17 Medicare Part D claims in 2022
In 2022, Dr. Chen wrote 17 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $263 in total drug cost. In 2021, CMS named 39 claims across 2 drugs.
Dr. Chen's most prescribed drugs by claims, 2022
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 392022: 1756%
Drugs named by CMS: 1 in 2022, 2 in 2021.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Thomas Tung Chen received $1,408 in industry payments from 2016 to 2024
CMS Open Payments shows 44 general payments to Dr. Chen from 16 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 65% of the total. Boston Scientific Corporation paid the most, $373.
General payments to Dr. Chen by program year, 2016 to 2024
General payments to Dr. Chen by kind, 2016 to 2024
- Food and beverage$92165%
- Consulting fees$35025%
- Education$13710%
Companies that paid Dr. Chen the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Thomas Tung Chen graduated from George Washington University School of Medicine
Dr. Chen graduated from George Washington University School of Medicine in 1979.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Thomas Tung Chen'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 |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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. Thomas Tung Chen
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. Thomas Tung Chen's NPI number?
Dr. Thomas Tung Chen's NPI number is 1518040401. It was assigned on October 23, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Thomas Tung Chen?
Dr. Thomas Tung Chen is an OB-GYN in Naperville, Illinois. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Dr. Thomas Tung Chen practice?
Dr. Chen practices at 100 Spalding Dr, Naperville, IL 60540.
What is Dr. Thomas Tung Chen's office phone number?
The practice phone on file for Dr. Chen is (630) 961-9485.
What is Dr. Thomas Tung Chen's medical license number?
Dr. Chen holds Illinois license 036060483.
Does Dr. Thomas Tung Chen accept Medicare?
Yes. CMS data shows Dr. Chen billed Medicare for 43 services in 2021.
What services does Dr. Thomas Tung Chen bill to Medicare?
In 2021, Dr. Chen's most billed Medicare services were medicare service (G0101) and medicare temporary code (Q0091).
Where did Dr. Thomas Tung Chen go to medical school?
Dr. Chen graduated from George Washington University School of Medicine in 1979.
What drugs does Dr. Thomas Tung Chen prescribe most?
In 2022 Medicare Part D data, Dr. Chen's most prescribed drugs by claims were Estradiol.
Has Dr. Thomas Tung Chen received payments from drug or device companies?
CMS Open Payments shows $1,408 in general payments to Dr. Chen from 16 companies from 2016 to 2024. The largest total came from Boston Scientific Corporation.
How long has Dr. Thomas Tung Chen been practicing?
Dr. Chen graduated from medical school in 1979, 47 years ago.
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