NPPES file of Aug 9, 2026

Alex Anthony Thomas, MD

Hospitalist Physician · Saint Louis, MO

Alex Anthony Thomas, MD is a hospitalist physician with a practice address in Saint Louis, Missouri, and NPI 1558742775, issued on Jun 12, 2015. Check the license (Missouri 2018013509, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1558742775
Name
Alex Anthony Thomas
Credential
MD
Primary taxonomy
Hospitalist Physician 208M00000X
License number
2018013509 MO
Self-reported in NPPES; status is on the state search
Practice location
1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110
Phone
(314) 362-1700
Enumerated
Jun 12, 2015
Record last updated
Apr 17, 2025
Fax
(314) 362-9878
Medicaid ID
200058572 MO
Medicare enrollment
Enrolled (PECOS I20180801003556); accepts Medicare assignment
Medical or professional school
University Of Louisville School Of Medicine, 2015
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1 Barnes Jewish Hospital Plz

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Fizza Abbas, MDInternal Medicine Physician1588079230
  2. Catey Abbott, DOInternal Medicine Physician1699355347
  3. Ramzi Abboud, MDMedical Oncology Physician1649684200
  4. Amy Abdalla, MDRadiation Oncology Physician1932959954
  5. Heba Abdelal, MDAnatomic Pathology & Clinical Pathology Physician1033633383
  6. Ali Abdelhay, MDHospitalist Physician1619540606

Verify Alex Anthony Thomas in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
    Search for license 2018013509
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Missouri license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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The practice group's MIPS final score for 2023 (Medicare payment program): 79.3 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score71.5
  2. Costout of 100 · 30%59.5
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $28.10

1 payment: food and beverage; the largest payer was Abbott Laboratories. The 7,324 providers of this specialty with any payment received $494.84 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Alex Thomas$28.10
  2. Specialty average$494.84

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Washington UniversitySaint Louis, MO

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Alex Anthony Thomas among 930 hospitalist physician records in Missouri

Alex Anthony Thomas, MD is one of 930 hospitalist physician records with a practice address in Missouri. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 48% of them.

  • NPI issued2015 · 48% of these records are older, 46% newer
  • In a Medicare fileYes · 87% of these records are
  • In the CMS Doctors and Clinicians fileYes · 77% of these records are
  • Graduated2015 · median 2014 among the 715 with a school on file
  • Record last updated2025 · 25% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

419 hospitalist physician records list a practice address in Saint Louis

They are 419 of the 27,605 NPPES records with a practice address in Saint Louis, and 930 hospitalist physician records in Missouri.

The 8 hospitalist physician records with the nearest ZIP codes

  1. Florence Almiron-Torralba, MDSaint Louis, MO 631101518939891
  2. Shobha Bhaskar, MDSaint Louis, MO 631101831198951
  3. Dennis Chang, MDSaint Louis, MO 631101083651202
  4. Eve Colson, MDSaint Louis, MO 631101730163577
  5. John Cras, MDSaint Louis, MO 631101598701815
  6. Lakshman Darsi, MDSaint Louis, MO 631101184670622
  7. Yasmeen Daud, MDSaint Louis, MO 631101073539292
  8. Christine Hrach, MDSaint Louis, MO 631101669498960

Common questions

What is Alex Anthony Thomas, MD's NPI number?

Alex Anthony Thomas, MD's National Provider Identifier (NPI) is 1558742775, issued on Jun 12, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Alex Anthony Thomas, MD located?

The NPPES record lists a practice address at 1 Barnes Jewish Hospital Plz, Saint Louis, MO, 63110. Phone: (314) 362-1700. Providers update this record themselves, so call before visiting.

How can I verify Alex Anthony Thomas, MD's license?

NPPES lists Missouri license number 2018013509, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

What is Alex Anthony Thomas, MD's MIPS final score?

The 2023 MIPS final score is 79.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.