Dr. Mathew Abraham Thomas, MD
- Hospital affiliations
- 2
- Industry payments
- $408
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2022
- Practice address
- One Barnes-Jewish Hospital Plaza, Saint Louis, MO 63110
- Practice phone
- Call (314) 747-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Thomas' 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. Mathew Abraham Thomas is an internist in Saint Louis, Missouri
Dr. Thomas practices at Barnes-Jewish Hospital in Saint Louis, Missouri, part of BJC Health.
Dr. Thomas' NPI, 1811634793, was assigned on May 12, 2022. Dr. Thomas holds Illinois license 125079767.
- NPI
- 1811634793NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4880194133
- NPI enumeration date
- May 12, 2022
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (314) 747-3000
- 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. Mathew Abraham Thomas practices at 2 locations in Saint Louis, Missouri
Dr. Thomas' primary practice is Barnes-Jewish Hospital, at One Barnes-Jewish Hospital Plaza, Saint Louis, MO 63110 in St. Louis City. The practice phone is (314) 747-3000. Dr. Thomas also practices at Barnes-Jewish Hospital, 1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110.
- Barnes-Jewish HospitalPrimaryOne Barnes-Jewish Hospital Plaza, Saint Louis, MO 63110 · St. Louis CityPhone(314) 747-3000
- Barnes-Jewish Hospital1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110 · Saint Louis CityPhone(314) 747-3000
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Mathew Abraham Thomas is affiliated with 2 sites of care and 1 medical group
Dr. Thomas' primary practice is Barnes-Jewish Hospital in Saint Louis, Missouri, part of BJC Health. Dr. Thomas is also affiliated with Memorial Hospital in Belleville. The medical group on file is WashU Medicine Psychiatry.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mathew Abraham Thomas' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Thomas practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Barnes-Jewish Hospital | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across BJC Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Mathew Abraham Thomas is one of 2,114 internists in Missouri
Internal medicine is Dr. Thomas' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Thomas is licensed in Illinois.
Specialties and state licenses
- Internal medicine, IllinoisPrimary
Internists near Dr. Thomas
Counts of internists 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. Mathew Abraham Thomas' patients have a median age of 69
Across all payers, Dmand AI patient panel data puts Dr. Thomas' median patient age at 69, with 44% women.
Dr. Thomas' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women44%
- Men55%
Source: Dmand AI Patient Panel Data
How Dr. Mathew Abraham Thomas takes part in Medicare
Dr. Thomas accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
Dr. Mathew Abraham Thomas received $408 in industry payments from 2022 to 2025
CMS Open Payments shows 16 general payments to Dr. Thomas from 9 drug and device companies from 2022 to 2025. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $147.
General payments to Dr. Thomas by program year, 2022 to 2025
Companies that paid Dr. Thomas the most, 2022 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Mathew Abraham Thomas'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 DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors 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 Dr. Mathew Abraham Thomas
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. Mathew Abraham Thomas' NPI number?
Dr. Mathew Abraham Thomas' NPI number is 1811634793. It was assigned on May 12, 2022, and it is active in the NPI Registry.
What kind of doctor is Dr. Mathew Abraham Thomas?
Dr. Mathew Abraham Thomas is an internist in Saint Louis, Missouri. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Mathew Abraham Thomas practice?
Dr. Thomas practices at One Barnes-Jewish Hospital Plaza, Saint Louis, MO 63110. Dr. Thomas also practices at 1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110. Dr. Thomas' primary practice is Barnes-Jewish Hospital in Saint Louis, Missouri, part of BJC Health.
What is Dr. Mathew Abraham Thomas' office phone number?
The practice phone on file for Dr. Thomas is (314) 747-3000.
What is Dr. Mathew Abraham Thomas' medical license number?
Dr. Thomas holds Illinois license 125079767.
Which hospitals is Dr. Mathew Abraham Thomas affiliated with?
Dr. Thomas practices at Barnes-Jewish Hospital in Saint Louis, Missouri. Dr. Thomas is also affiliated with Memorial Hospital in Belleville.
What medical group is Dr. Mathew Abraham Thomas part of?
Dr. Thomas is linked to WashU Medicine Psychiatry.
Does Dr. Mathew Abraham Thomas accept Medicare?
Yes. CMS lists Dr. Thomas as accepting Medicare assignment.
Has Dr. Mathew Abraham Thomas received payments from drug or device companies?
CMS Open Payments shows $408 in general payments to Dr. Thomas from 9 companies from 2022 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Mathew Abraham Thomas been practicing?
Dr. Thomas graduated from medical school in 2021, 5 years ago.
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