CONOR TROY WILLIAMS MD
NPI 1952927667
Internal Medicine in Saint Louis, MO
About Conor Troy Williams Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CONOR TROY WILLIAMS MD (NPI 1952927667) is an individual internal medicine provider in Saint Louis, Missouri, licensed in Missouri (2022001060) and active in the NPI registry since June 2020. He is enrolled in Medicare PECOS, is affiliated with Gallup Indian Medical Center, and is a graduate of Other (2020).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Conor Troy Williams Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show Conor Williams reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Tohatchi, NM 87325
- Reassigned Medicare billing, Texas enrollment
- 618 clinicians in this Medicare group
Modesto, CA 95355
- Reassigned Medicare billing, California enrollment
- 3,056 clinicians in this Medicare group
Stockton, CA 95210
- Reassigned Medicare billing, California enrollment
- 20,078 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 5
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Gallup Indian Medical Center
Acute Care Hospitals · Gallup, NMPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63110 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Conor Williams's NPI number?
The NPI number for Conor Williams is 1952927667. It was assigned to this individual provider in the NPPES registry on June 18, 2020.
Where is Conor Williams located?
Conor Williams practices at 1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110. The listed phone number is (314) 362-5000.
What is Conor Williams's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Conor Williams enrolled in Medicare?
Yes. Conor Williams is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Conor Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Conor Williams reassigns Medicare benefits to 3 organizations: Dhhs, Phs, Naihs, Gallup Indian Medical Center (Tohatchi, NM), Sutter Valley Medical Foundation (Modesto, CA) and Permanente Medical Group Inc (Stockton, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Conor Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Conor Williams accept?
Health plans from Cigna Healthcare list Conor Williams as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Conor Williams affiliated with any hospitals?
According to CMS data, Conor Williams is affiliated with Gallup Indian Medical Center.
When was this NPI record last updated?
The NPPES record for Conor Williams was last updated on January 20, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Conor Troy Williams, MD · NPI 1952927667
Internal Medicine physician in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since June 18, 2020.
## Identity
- **NPI:** 1952927667 (Entity type: Individual)
- **Enumerated:** June 18, 2020
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 2022001060 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 1 BARNES JEWISH HOSPITAL PLZ, Saint Louis, MO 63110-1003
- **Phone:** (314) 362-5000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Dhhs, Phs, Naihs, Gallup Indian Medical Center (NPI 1902875594, Tohatchi, NM); Sutter Valley Medical Foundation (NPI 1669846986, Modesto, CA); Permanente Medical Group Inc (NPI 1548343510, Stockton, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2020
## Record status
- **NPPES last updated:** January 20, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1952927667) · Data from the CMS NPPES public registry.