DR. SUSAN GAIL WILLIAMS MD
NPI 1427417682
Internal Medicine in San Antonio, TX
About Dr. Susan Gail Williams Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SUSAN GAIL WILLIAMS MD (NPI 1427417682) is an individual internal medicine provider in San Antonio, Texas, licensed in Ohio (35.132470) and active in the NPI registry since February 2016. She is enrolled in Medicare PECOS and is a graduate of University Of Cincinnati College Of Medicine (2016).
NPPES Registry Identity
Specialties & Licenses
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
Dr. Susan Gail 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 Reassignment
Medicare enrollment records show Susan Williams reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Aspen, CO 81611
- Reassigned Medicare billing, Colorado enrollment
- 163 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 78234 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Susan Williams's NPI number?
The NPI number for Susan Williams is 1427417682. It was assigned to this individual provider in the NPPES registry on February 16, 2016.
Where is Susan Williams located?
Susan Williams practices at 3551 Roger Brooke Dr # M, San Antonio, TX 78234. The listed phone number is (253) 968-0369.
What is Susan Williams's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Susan Williams enrolled in Medicare?
Yes. Susan 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 organization bills Medicare for Susan Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Susan Williams reassigns Medicare benefits to Valley View Hospital Association (Aspen, CO). The 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 Susan Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Susan Williams was last updated on July 28, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.