JAMES WILLIAMS D.O
NPI 1376582031
Emergency Medicine in San Antonio, TX
About James Williams D.o NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JAMES WILLIAMS D.O (NPI 1376582031) is an individual emergency medicine provider in San Antonio, Texas, licensed in Texas (J3656) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
James Williams D.o is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show James Williams reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Southlake, TX 76092
- Reassigned Medicare billing, Texas enrollment
- 14 clinicians in this Medicare group
Amarillo, TX 79106
- Reassigned Medicare billing, Texas enrollment
- 66 clinicians in this Medicare group
Rockville, MD 20850
- Reassigned Medicare billing, Maryland enrollment
- 301 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 78229 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN ANTONIO, TX 78229
SAN ANTONIO, TX 78229
SAN ANTONIO, TX 78229
SAN ANTONIO, TX 78229
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 James Williams's NPI number?
The NPI number for James Williams is 1376582031. It was assigned to this individual provider in the NPPES registry on June 6, 2006.
Where is James Williams located?
James Williams practices at 8026 Floyd Curl, San Antonio, TX 78229. The listed phone number is (210) 558-6288.
What is James Williams's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is James Williams enrolled in Medicare?
Yes. James Williams is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for James Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James Williams reassigns Medicare benefits to 3 organizations: Southlake Emergicare PLLC (Southlake, TX), Truepartners Northwest Emergency Associates PLLC (Amarillo, TX) and Mep Health, LLC (Rockville, MD). 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 James 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 James Williams was last updated on August 20, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# James Williams, D.O · NPI 1376582031
Emergency Medicine physician in San Antonio, Texas. Individual provider, active in the CMS NPPES registry since June 6, 2006.
## Identity
- **NPI:** 1376582031 (Entity type: Individual)
- **Enumerated:** June 6, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** J3656 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 8026 FLOYD CURL, San Antonio, TX 78229-3915
- **Phone:** (210) 558-6288 · **Fax:** (210) 558-6289
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **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): Southlake Emergicare PLLC (NPI 1598172033, Southlake, TX); Truepartners Northwest Emergency Associates PLLC (NPI 1912447319, Amarillo, TX); Mep Health, LLC (NPI 1164483558, Rockville, MD) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 20, 2008
- **Other identifiers:** Medicare UPIN G73725 (TX)
---
Source: [NPI Profile](https://npiprofile.com/npi/1376582031) · Data from the CMS NPPES public registry.