Dr. Thomas J. O'Brien, DO
- Part D claims, 2024
- 554
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2021
- Practice address
- 206 N Randolph St Ste 2 Suite 2, Champaign, IL 61820
- Practice phone
- Call (833) 351-8255
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Talkiatry - Champaign
Behavioral health practice · Champaign, Illinois
Find Dr. O'Brien'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 J. O'Brien is a psychiatrist in Hines, Illinois
Dr. O'Brien practices at Talkiatry - Champaign in Champaign, Illinois.
Dr. O'Brien's NPI, 1376122440, was assigned on April 6, 2021. Dr. O'Brien graduated from Midwestern University, Chicago College of Osteopathic Med in 2021. Dr. O'Brien holds Illinois license 036.170923.
- NPI
- 1376122440NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7214420702
- NPI enumeration date
- April 6, 2021
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (833) 351-8255
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Thomas J. O'Brien practices in Champaign and Hines
Dr. O'Brien's primary practice is Talkiatry - Champaign, at 206 N Randolph St Ste 2 Suite 2, Champaign, IL 61820. The practice phone is (833) 351-8255. The NPI Registry lists Dr. O'Brien's practice address as 5000 5th Ave, Hines, IL 60141.
- Talkiatry - ChampaignPrimary206 N Randolph St Ste 2 Suite 2, Champaign, IL 61820Phone(833) 351-8255
- NPI Registry address5000 5th Ave, Hines, IL 60141 · Cook CountyPhone(833) 351-8255
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Thomas J. O'Brien is affiliated with 1 site of care and 1 medical group
Dr. O'Brien's primary practice is Talkiatry - Champaign in Champaign, Illinois. The medical group on file is Talkiatry.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Thomas J. O'Brien's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. O'Brien practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Talkiatry - Champaign | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Thomas J. O'Brien is one of 1,527 psychiatrists in Illinois
Psychiatry is Dr. O'Brien's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. O'Brien is licensed in Illinois.
Specialties and state licenses
- Psychiatry, IllinoisPrimary
Psychiatrists near Dr. O'Brien
Counts of psychiatrists 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 J. O'Brien's patients have a median age of 38
Across all payers, Dmand AI patient panel data puts Dr. O'Brien's median patient age at 38, with 44% women.
Dr. O'Brien's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 38
Patient panel by sex, all payers
- Women44%
- Men52%
Source: Dmand AI Patient Panel Data
Dr. Thomas J. O'Brien wrote 554 Medicare Part D claims in 2024
In 2024, Dr. O'Brien wrote 554 Medicare Part D claims for 35 patients. 97% of them were for generic drugs. CMS names the drug for 457 of them, across 19 drugs with 11 or more claims each, at $10,051 in total drug cost.
Dr. O'Brien's Part D claims by kind of drug, 2024
- Generic536 claims97%
- Brand-name18 claims3%
Dr. O'Brien's most prescribed drugs by claims, 2024
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 Dr. O'Brien's Part D claims, 2024
- Antipsychotics, patients 65 and over6%32 of 554 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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
Dr. Thomas J. O'Brien offers telehealth to Medicare patients
Dr. O'Brien accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. O'Brien as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Thomas J. O'Brien graduated from Midwestern University, Chicago College of Osteopathic Med
Dr. O'Brien graduated from Midwestern University, Chicago College of Osteopathic Med in 2021.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Thomas J. O'Brien'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 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 Dr. Thomas J. O'Brien
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 J. O'Brien's NPI number?
Dr. Thomas J. O'Brien's NPI number is 1376122440. It was assigned on April 6, 2021, and it is active in the NPI Registry.
What kind of doctor is Dr. Thomas J. O'Brien?
Dr. Thomas J. O'Brien is a psychiatrist in Hines, Illinois. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Thomas J. O'Brien practice?
Dr. O'Brien practices at 206 N Randolph St Ste 2 Suite 2, Champaign, IL 61820. Dr. O'Brien also practices at 5000 5th Ave, Hines, IL 60141. Dr. O'Brien's primary practice is Talkiatry - Champaign in Champaign, Illinois.
What is Dr. Thomas J. O'Brien's office phone number?
The practice phone on file for Dr. O'Brien is (833) 351-8255.
What is Dr. Thomas J. O'Brien's medical license number?
Dr. O'Brien holds Illinois license 036.170923, one of 2 state licenses on file.
What medical group is Dr. Thomas J. O'Brien part of?
Dr. O'Brien is linked to Talkiatry.
Does Dr. Thomas J. O'Brien accept Medicare?
Yes. CMS lists Dr. O'Brien as accepting Medicare assignment.
Does Dr. Thomas J. O'Brien offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. O'Brien as offering telehealth services.
Where did Dr. Thomas J. O'Brien go to medical school?
Dr. O'Brien graduated from Midwestern University, Chicago College of Osteopathic Med in 2021.
What drugs does Dr. Thomas J. O'Brien prescribe most?
In 2024 Medicare Part D data, Dr. O'Brien's most prescribed drugs by claims were Sertraline HCl, Quetiapine Fumarate and Trazodone HCl.
How long has Dr. Thomas J. O'Brien been practicing?
Dr. O'Brien graduated from medical school in 2021, 5 years ago.
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