MRS. SHERRI FONTAINE WILLIAMS FNP-C
NPI 1912494451
Nurse Practitioner - Family in Houston, TX

Active since April 19, 2018PECOS EnrolledAccepts Medicare Assignment
3014 WICHITA ST, HOUSTON, TX 77004(713) 202-6982 Get Directions Write a Review

NPPES record last updated: December 19, 2018. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 19, 2018, Apr 19, 2018 (2 updates tracked since 2018).

About Mrs. Sherri Fontaine Williams Fnp-c NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MRS. SHERRI FONTAINE WILLIAMS FNP-C (NPI 1912494451) is an individual family provider in Houston, Texas, licensed in Texas (AP139854) and active in the NPI registry since April 2018. She is enrolled in Medicare PECOS and is a graduate of Other (2018).

NPPES Registry Identity

NPI1912494451
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMRS. SHERRI FONTAINE WILLIAMSCredential: FNP-C
Location Address3014 WICHITA STHouston, TX 77004-7720
Mailing Address2810 Junction DrHouston, TX 77045-6554 · (713) 202-6982
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateApril 19, 2018
Last NPPES UpdateDecember 19, 20182 updates tracked since enumeration
✔ NPI 1912494451 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in TX · AP139854
3014 WICHITA ST, Houston, TX 77004

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

Mrs. Sherri Fontaine Williams Fnp-c 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.

PECOS PAC ID4587096821
PECOS Enrollment IDI20251103001058
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Sherri Williams reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Hospice and Palliative Medicine
2505 N STATE HIGHWAY 360 STE 200
Grand Prairie, TX 75050
  • Reassigned Medicare billing, Texas enrollment
  • 27 clinicians in this Medicare group
Hospice and Palliative Medicine
22 CENTURY BLVD STE 220
Nashville, TN 37214
  • Reassigned Medicare billing, Indiana, Missouri, Nevada and Virginia enrollments
  • 109 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 77004 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$90.40 typical visit price
range $58.24 – $176.98
Typical copayment $22.60 (range $14.56 – $44.24)
Most-billed visit code 99203
Established Patient
$102.71 typical visit price
range $18.60 – $143.93
Typical copayment $25.67 (range $4.65 – $35.98)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Sherri Williams's NPI number?

The NPI number for Sherri Williams is 1912494451. It was assigned to this individual provider in the NPPES registry on April 19, 2018.

Where is Sherri Williams located?

Sherri Williams practices at 3014 Wichita St, Houston, TX 77004. The listed phone number is (713) 202-6982.

What is Sherri Williams's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Sherri Williams enrolled in Medicare?

Yes. Sherri 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 Sherri Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sherri Williams reassigns Medicare benefits to 2 organizations: Carelon Medical Partners Of Texas PA (Grand Prairie, TX) and Carelon Medical Partners, PC (Nashville, TN). 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 Sherri 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 Sherri Williams was last updated on December 19, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.