DR. PRESTON WALKER WILLIAMS MD
NPI 1245816123
Internal Medicine in Columbus, OH
About Dr. Preston Walker Williams Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. PRESTON WALKER WILLIAMS MD (NPI 1245816123) is an individual internal medicine provider in Columbus, Ohio, licensed in Ohio (35.150615) and active in the NPI registry since March 2021. He is enrolled in Medicare PECOS, is affiliated with Ohio State University State Health System, and maintains a secondary practice location in Cambridge.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Preston Walker 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ohio State University State Health System
Acute Care Hospitals · Columbus, OHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 43203 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.
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 Preston Williams's NPI number?
The NPI number for Preston Williams is 1245816123. It was assigned to this individual provider in the NPPES registry on March 22, 2021.
Where is Preston Williams located?
Preston Williams practices at 543 Taylor Ave, Columbus, OH 43203. The listed phone number is (614) 293-5123.
What is Preston Williams's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Preston Williams enrolled in Medicare?
Yes. Preston 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.
What insurance does Preston Williams accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Antidote Health Plan of Ohio, Inc. and CareSource and 1 other insurer list Preston 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 Preston Williams affiliated with any hospitals?
According to CMS data, Preston Williams is affiliated with Ohio State University State Health System.
When was this NPI record last updated?
The NPPES record for Preston Williams was last updated on August 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months 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.