SAMUEL WILLIAMS DO
NPI 1699356246
Emergency Medicine in Austin, TX
About Samuel Williams Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SAMUEL WILLIAMS DO (NPI 1699356246) is an individual emergency medicine provider in Austin, Texas, licensed in Texas (V1301) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS, is affiliated with Methodist Hospital, and is a graduate of Philadelphia College Of Osteopathic Medicine (2017).
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
Samuel Williams Do 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 Samuel Williams reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Gonzales, TX 78629
- Reassigned Medicare billing, Texas enrollment
- 430 clinicians in this Medicare group
San Antonio, TX 78229
- Reassigned Medicare billing, Texas enrollment
- 1,452 clinicians in this Medicare group
Victoria, TX 77901
- Reassigned Medicare billing, Texas enrollment
- 153 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 2
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Methodist Hospital
Acute Care Hospitals · San Antonio, TXUvalde Memorial Hospital
Critical Access Hospitals · Uvalde, TXMethodist Hospital Stone Oak
Acute Care Hospitals · San Antonio, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 78704 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 3
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 Samuel Williams's NPI number?
The NPI number for Samuel Williams is 1699356246. It was assigned to this individual provider in the NPPES registry on April 15, 2021.
Where is Samuel Williams located?
Samuel Williams practices at 1900 Barton Springs Rd Unit 5030, Austin, TX 78704. The listed phone number is (404) 518-1241.
What is Samuel Williams's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Samuel Williams enrolled in Medicare?
Yes. Samuel 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 Samuel Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Samuel Williams reassigns Medicare benefits to 3 organizations: Victoria Emergency Partners LLC (Gonzales, TX), Emergency Medicine Services Of Tx, PLLC (San Antonio, TX) and Victoria Emergency Associates LLC (Victoria, TX). 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 Samuel Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Samuel Williams accept?
Health plans from Blue Cross and Blue Shield of Texas, Oscar Insurance Company, Sendero Health Plans, Local Nonprofit and UnitedHealthcare list Samuel 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 Samuel Williams affiliated with any hospitals?
According to CMS data, Samuel Williams is affiliated with Methodist Hospital, Uvalde Memorial Hospital and Methodist Hospital Stone Oak.
When was this NPI record last updated?
The NPPES record for Samuel Williams was last updated on October 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 days 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.
# Samuel Williams, DO · NPI 1699356246
Emergency Medicine physician in Austin, Texas. Individual provider, active in the CMS NPPES registry since April 15, 2021.
## Identity
- **NPI:** 1699356246 (Entity type: Individual)
- **Enumerated:** April 15, 2021
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** V1301 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 1900 BARTON SPRINGS RD UNIT 5030, Austin, TX 78704-1471
- **Phone:** (404) 518-1241
## 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): Victoria Emergency Partners LLC (NPI 1164770996, Gonzales, TX); Emergency Medicine Services Of Tx, PLLC (NPI 1245938729, San Antonio, TX); Victoria Emergency Associates LLC (NPI 1407917164, Victoria, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Philadelphia College Of Osteopathic Medicine, class of 2017
## Record status
- **NPPES last updated:** October 12, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1699356246) · Data from the CMS NPPES public registry.