NPPES file of Aug 9, 2026

Conor Troy Williams, MD

Internal Medicine Physician · Saint Louis, MO

Conor Troy Williams, MD is an internal medicine physician with a practice address in Saint Louis, Missouri, and NPI 1952927667, issued on Jun 18, 2020. Check the license (Missouri 2022001060, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1952927667
Name
Conor Troy Williams
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
2022001060 MO
Self-reported in NPPES; status is on the state search
Practice location
1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110
Phone
(314) 362-5000
Enumerated
Jun 18, 2020
Record last updated
Jan 20, 2022
Medicare enrollment
Enrolled (PECOS I20240123004837); accepts Medicare assignment
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 Conor Troy Williams 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 2022001060
    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

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94% fewer Medicare Part D claims than the average internal medicine physician in 2024

193 Medicare Part D claims for 72 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Conor Williams193
  2. Specialty average3,176

Most prescribed

  1. Amlodipine Besylate11 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through 3 group practices

  1. Dhhs,phs,naihs, Gallup Indian Medical CenterGallup, NM
  2. Permanente Medical Group IncSouth San Francisco, CA
  3. Sutter Valley Medical FoundationCrescent City, CA

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

Conor Troy Williams among 2,604 internal medicine physician records in Missouri

Conor Troy Williams, MD is one of 2,604 internal medicine physician records with a practice address in Missouri. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 75% of them.

  • NPI issued2020 · 75% of these records are older, 21% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 55% of these records are
  • Graduated2020 · median 2006 among the 1,443 with a school on file
  • Record last updated2022 · 48% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

941 internal medicine physician records list a practice address in Saint Louis

They are 941 of the 27,605 NPPES records with a practice address in Saint Louis, and 2,604 internal medicine physician records in Missouri.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Thomas Bartholet, MDSaint Louis, MO 631101750325742
  2. Rakhee Bhayani, MDSaint Louis, MO 631101477579787
  3. Mohammed Haque, MDSaint Louis, MO 631101689604100
  4. Charles Lieu, MDSaint Louis, MO 631101871510396
  5. Kenneth Ludmerer, MDSaint Louis, MO 631101366468597
  6. Barbara Lutey, MDSaint Louis, MO 631101306862628
  7. Heidi Miller, M.D.Saint Louis, MO 631101922082361
  8. Tracy Norfleet, MDSaint Louis, MO 631101487680377

Common questions

What is Conor Troy Williams, MD's NPI number?

Conor Troy Williams, MD's National Provider Identifier (NPI) is 1952927667, issued on Jun 18, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Conor Troy Williams, MD located?

The NPPES record lists a practice address at 1 Barnes Jewish Hospital Plz, Saint Louis, MO, 63110. Phone: (314) 362-5000. Providers update this record themselves, so call before visiting.

How can I verify Conor Troy Williams, MD's license?

NPPES lists Missouri license number 2022001060, 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.

How much does Conor Troy Williams, MD prescribe under Medicare Part D?

In 2024, Conor Troy Williams, MD had 193 Medicare Part D claims for 72 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

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.