STEFANIE WILLIAMS
NPI 1891236014
Emergency Medicine in Joint Base Lewis Mcchord, WA
About Stefanie Williams NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEFANIE WILLIAMS (NPI 1891236014) is an individual emergency medicine provider in Joint Base Lewis Mcchord, Washington, licensed in Texas (T7773) and active in the NPI registry since March 2017. She is enrolled in Medicare PECOS, is affiliated with Tmc- Bonham Hospital, and is a graduate of Drexel University College Of 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
Stefanie Williams 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
9Medicare enrollment records show Stefanie Williams reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Avon, CO 81620
- Reassigned Medicare billing, Colorado enrollment
- 352 clinicians in this Medicare group
Frisco, CO 80443
- Reassigned Medicare billing, Colorado enrollment
- 468 clinicians in this Medicare group
Westminster, CO 80021
- Reassigned Medicare billing, Colorado enrollment
- 130 clinicians in this Medicare group
El Paso, TX 79936
- Reassigned Medicare billing, Texas enrollment
- 172 clinicians in this Medicare group
Horizon City, TX 79928
- Reassigned Medicare billing, Texas enrollment
- 125 clinicians in this Medicare group
Plainview, TX 79072
- Reassigned Medicare billing, Texas enrollment
- 217 clinicians in this Medicare group
Bonham, TX 75418
- Reassigned Medicare billing, Texas enrollment
- 48 clinicians in this Medicare group
Killeen, TX 76549
- Reassigned Medicare billing, Texas enrollment
- 387 clinicians in this Medicare group
Orange, TX 77630
- Reassigned Medicare billing, Texas enrollment
- 205 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 3
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.
Tmc- Bonham Hospital
Critical Access Hospitals · Bonham, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98431 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.
JOINT BASE LEWIS MCCHORD, WA 98431
TACOMA, WA 98431
JOINT BASE LEWIS MCCHORD, WA 98431
JOINT BASE LEWIS MCCHORD, WA 98431
JOINT BASE LEWIS MCCHORD, WA 98431
JOINT BASE LEWIS MCCHORD, WA 98431
JOINT BASE LEWIS MCCHORD, WA 98431
JOINT BASE LEWIS MCCHORD, WA 98431
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 Stefanie Williams's NPI number?
The NPI number for Stefanie Williams is 1891236014. It was assigned to this individual provider in the NPPES registry on March 20, 2017.
Where is Stefanie Williams located?
Stefanie Williams practices at 9040 Fitzsimmons Dr, Joint Base Lewis Mcchord, WA 98431. The listed phone number is (253) 968-0369.
What is Stefanie Williams's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Stefanie Williams enrolled in Medicare?
Yes. Stefanie 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 Stefanie Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stefanie Williams reassigns Medicare benefits to 9 organizations: Usacs Community Emergency Services Of Colorado, Inc. (Avon, CO), Usacs Of Colorado Inc (Frisco, CO), Premier Emergency Services, Inc (Westminster, CO), Bluff Creek Emergency Medicine Associates, PA (El Paso, TX), Pearsall Emergency Medicine Associates, PA (Horizon City, TX) and 4 more organizations, listed in the Medicare section above. 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 Stefanie Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Stefanie Williams accept?
Health plans from Blue Cross and Blue Shield of Texas, CHRISTUS Health Plan, Oscar Health and Oscar Insurance Company list Stefanie 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 Stefanie Williams affiliated with any hospitals?
According to CMS data, Stefanie Williams is affiliated with Tmc- Bonham Hospital.
When was this NPI record last updated?
The NPPES record for Stefanie Williams was last updated on September 16, 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.
# Stefanie Williams · NPI 1891236014
Emergency Medicine physician in Joint Base Lewis Mcchord, Washington. Individual provider, active in the CMS NPPES registry since March 20, 2017.
## Identity
- **NPI:** 1891236014 (Entity type: Individual)
- **Enumerated:** March 20, 2017
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** T7773 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 9040 FITZSIMMONS DR, Joint Base Lewis Mcchord, WA 98431-1000
- **Phone:** (253) 968-0369
## 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:** 9 organizations under Medicare reassignment (form CMS-855R): Usacs Community Emergency Services Of Colorado, Inc. (NPI 1982239042, Avon, CO); Usacs Of Colorado Inc (NPI 1255967345, Frisco, CO); Premier Emergency Services, Inc (NPI 1962037440, Westminster, CO); Bluff Creek Emergency Medicine Associates, PA (NPI 1679071690, El Paso, TX); Pearsall Emergency Medicine Associates, PA (NPI 1104326263, Horizon City, TX); and 4 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Drexel University College Of Medicine, class of 2017
## Record status
- **NPPES last updated:** September 16, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1891236014) · Data from the CMS NPPES public registry.