TAMMY WILLIAMS LCSW
NPI 1629617873
Social Worker in Missouri City, TX
About Tammy Williams Lcsw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TAMMY WILLIAMS LCSW (NPI 1629617873) is an individual social worker in Missouri City, Texas, licensed in Texas (55784) and active in the NPI registry since January 2020. She is enrolled in Medicare PECOS, maintains a secondary practice location in Dallas, and is a graduate of Other (2011).
NPPES Registry Identity
Specialties & Licenses 4
Secondary Practice Location 1
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
Tammy Williams Lcsw 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 Tammy Williams reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Missouri City, TX 77459
- Reassigned Medicare billing, Texas enrollment
- 54 clinicians in this Medicare group
Sugar Land, TX 77478
- Reassigned Medicare billing, Texas enrollment
- 39 clinicians in this Medicare group
Garland, TX 75043
- Reassigned Medicare billing, Texas enrollment
- 138 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.
Other Providers at the Same Location NPPES
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 Tammy Williams's NPI number?
The NPI number for Tammy Williams is 1629617873. It was assigned to this individual provider in the NPPES registry on January 4, 2020.
Where is Tammy Williams located?
Tammy Williams practices at 9506 Scanlan Heights Ln, Missouri City, TX 77459. The listed phone number is (225) 571-4755.
What is Tammy Williams's specialty?
The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.
Is Tammy Williams enrolled in Medicare?
Yes. Tammy 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 Tammy Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tammy Williams reassigns Medicare benefits to 3 organizations: Tp-Health Incorporated (Missouri City, TX), Behavioral Health Specialists Medical Group De PA (Sugar Land, TX) and Supportive Care LLC (Garland, 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 Tammy Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Tammy Williams accept?
Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 7 other insurers list Tammy 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.
When was this NPI record last updated?
The NPPES record for Tammy Williams was last updated on September 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.
# Tammy Williams, LCSW · NPI 1629617873
Social Worker provider in Missouri City, Texas. Individual provider, active in the CMS NPPES registry since January 4, 2020.
## Identity
- **NPI:** 1629617873 (Entity type: Individual)
- **Enumerated:** January 4, 2020
- **Primary specialty:** Social Worker · taxonomy 104100000X
- **State license:** 55784 (Texas)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 9506 SCANLAN HEIGHTS LN, Missouri City, TX 77459-5502
- **Phone:** (225) 571-4755
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Tp-Health Incorporated (NPI 1760047526, Missouri City, TX); Behavioral Health Specialists Medical Group De PA (NPI 1831619410, Sugar Land, TX); Supportive Care LLC (NPI 1477895043, Garland, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2011
## Record status
- **NPPES last updated:** September 18, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1629617873) · Data from the CMS NPPES public registry.