Thomas Chen
- Medicare services, 2024
- 353
- Medicare patients, 2024
- 168
- Part D claims, 2024
- 194
- Hospital affiliations
- 1
- Medical groups
- 2
- Practice address
- 5721 S Maryland Ave, Chicago, IL 60637
- Practice phone
- Call (773) 702-1530
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Comer Children's Hospital - Hyde Park
Chicago, Illinois
Find Thomas 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.
Thomas Chen is a hospitalist in Chicago, Illinois
Thomas Chen practices at Comer Children's Hospital - Hyde Park in Chicago, Illinois.
Thomas Chen's NPI, 1275951527, was assigned on April 3, 2014. Thomas Chen graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 2014. Thomas Chen holds Illinois license 036143137.
- NPI
- 1275951527NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0042443574
- NPI enumeration date
- April 3, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (773) 702-1530
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Thomas Chen practices at Comer Children's Hospital - Hyde Park in Chicago, Illinois
Thomas Chen's primary practice is Comer Children's Hospital - Hyde Park, at 5721 S Maryland Ave, Chicago, IL 60637 in Cook County. The practice phone is (773) 702-1530.
- Comer Children's Hospital - Hyde Park5721 S Maryland Ave, Chicago, IL 60637 · Cook CountyPhone(773) 702-1530
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Thomas Chen is affiliated with 2 sites of care and 2 medical groups
Thomas Chen's primary practice is Comer Children's Hospital - Hyde Park in Chicago, Illinois. Thomas Chen is also affiliated with University of Chicago Medical Center. The medical group on file is UChicago Medicine Physicians. Dmand AI also links Thomas Chen to 1 more medical group, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Thomas Chen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Thomas Chen practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Comer Children's Hospital - Hyde Park | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Thomas Chen is one of 1,321 hospitalists in Illinois
Hospitalist is Thomas Chen's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Thomas Chen is licensed in Illinois.
Specialties and state licenses
- Hospitalist, IllinoisPrimary
Hospitalists near Thomas Chen
Counts of hospitalists 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
Thomas Chen billed Medicare for 353 services in 2024
CMS data shows 353 Medicare services from Thomas Chen across 5 procedure codes in 2024, for 168 Medicare patients. Medicare paid $33,985 for them. Every service was in a facility, such as a hospital, rather than an office.
Thomas Chen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2952024: 35320%
Thomas Chen compared with the Illinois median for hospitalists, 2024
- Thomas Chen
- Illinois median
- Medicare services
- 353vs 54335% below
- Medicare patients
- 168vs 24231% below
- Part D claims
- 24vs 5355% below
Medians across 1,248 hospitalists in Illinois with Dmand AI profiles that report each measure.
Thomas Chen's most billed Medicare procedure codes, 2024
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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Thomas Chen treated 168 Medicare patients in 2024, average age 72
CMS counts 168 Medicare patients who saw Thomas Chen in 2024. The largest group is 65 to 74, with 59 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 44% are also on Medicaid. Their average risk score is 2.82, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Thomas Chen's median patient age at 74, with 63% women.
Thomas Chen's Medicare patients by age, 2024
Thomas Chen's Medicare patients by sex, 2024
- Women9557%
- Men7343%
Chronic conditions among Thomas Chen's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis66%
- Chronic kidney disease51%
- Diabetes48%
- Ischemic heart disease41%
- Mood disorders39%
- Heart failure38%
Share of Medicare patients with each condition. A patient can have several.
Thomas 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 74
Patient panel by sex, all payers
- Women63%
- Men34%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Thomas Chen wrote 194 Medicare Part D claims in 2024
In 2024, Thomas Chen wrote 194 Medicare Part D claims for 72 patients. 78% of them were for generic drugs. CMS names the drug for 24 of them, across 2 drugs with 11 or more claims each, at $554 in total drug cost. In 2017, CMS named 105 claims across 6 drugs.
Thomas Chen's Part D claims by kind of drug, 2024
- Generic152 claims78%
- Brand-name and other42 claims22%
Thomas 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.
Drug classes CMS tracks in Thomas Chen's Part D claims, 2024
- Opioids12%23 of 194 claims
- Antibiotics13%26 of 194 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2017 to 2022
- 2017
- 2022
- Claims for drugs CMS names
- 2017: 1052022: 2477%
Drugs named by CMS: 2 in 2022, 6 in 2017.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Thomas Chen offers telehealth to Medicare patients
Thomas Chen accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Thomas Chen as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Thomas Chen graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb)
Thomas Chen graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 2014.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Thomas 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 |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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 Thomas 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 Thomas Chen's NPI number?
Thomas Chen's NPI number is 1275951527. It was assigned on April 3, 2014, and it is active in the NPI Registry.
What does Thomas Chen specialize in?
Thomas Chen is a hospitalist in Chicago, Illinois. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Thomas Chen practice?
Thomas Chen practices at 5721 S Maryland Ave, Chicago, IL 60637. Thomas Chen's primary practice is Comer Children's Hospital - Hyde Park in Chicago, Illinois. Dmand AI also links Thomas Chen to 1 medical group.
What is Thomas Chen's office phone number?
The practice phone on file for Thomas Chen is (773) 702-1530.
What is Thomas Chen's medical license number?
Thomas Chen holds Illinois license 036143137.
Which hospitals is Thomas Chen affiliated with?
Thomas Chen is affiliated with University of Chicago Medical Center.
What medical group is Thomas Chen part of?
Thomas Chen is linked to UChicago Medicine Physicians. Dmand AI links Thomas Chen to 1 more medical group.
Does Thomas Chen accept Medicare?
Yes. CMS data shows Thomas Chen billed Medicare for 353 services in 2024, and Thomas Chen accepts Medicare assignment.
Does Thomas Chen offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Thomas Chen as offering telehealth services.
How many Medicare patients does Thomas Chen see?
CMS counts 168 Medicare patients who saw Thomas Chen in 2024, with an average age of 72.
Show 4 more questionsShow fewer questions
What services does Thomas Chen bill to Medicare?
In 2024, Thomas Chen's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and hospital inpatient care (99238).
Where did Thomas Chen go to medical school?
Thomas Chen graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 2014.
What drugs does Thomas Chen prescribe most?
In 2022 Medicare Part D data, Thomas Chen's most prescribed drugs by claims were Metoprolol Succinate and Gabapentin.
How long has Thomas Chen been practicing?
Thomas Chen graduated from medical school in 2014, 12 years ago.
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