Doctor profile · Federal record
Dr. Tammy Williams, LCSW
Social Worker (CMS: Clinical Social Worker) · Clinical Social Worker · Clinical Social Worker · Clinical Social Worker · Case Manager/Care Coordinator · Clinical Social Worker · Case Management Agency · Clinical Social Worker · Clinical Social Worker · Missouri City, TX
- NPI 1629617873
- Accepts Medicare
- 15 yrs in practice
- Licensed in 6 states
- Female
- Solo practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
9506 Scanlan Heights Ln
Missouri City, TX 774595502
(225) 571-4755 - Additional location
-
8390 Lyndon B Johnson Fwy Ste 575
Dallas, TX 752431188
(214) 918-1999
Credentials & registration
- NPI registered
- January 2020 — 6 yrs on file
- Profile last updated
- September 18, 2025
- Year of graduation
- 2011 — 15 yrs since
- Specialty taxonomy
- 104100000X — NUCC code
- State licenses (6)
- Texas #55784 · Arkansas #27236 · North Carolina #C015279 · Utah #14149039-3501 · Florida #TPSW1738 · New Mexico #SWB-2023-1143
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1629617873. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
662
Distinct HCPCS
2
Medicare allowed
$30,312
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
96127 |
Assessment of emotional or behavioral problems | 396 | 198 | $3 | |
90791 |
Psychiatric diagnostic evaluation | 266 | 266 | $109 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 331. This provider delivers 2.0× the peer median.Frequently asked questions
What is Dr. Tammy Williams's medical specialty?
Dr. Tammy Williams practices Social Worker in Missouri City, TX.
Where does Dr. Tammy Williams practice?
Dr. Tammy Williams practices at 9506 Scanlan Heights Ln, Missouri City, TX 774595502. Office phone: 2255714755.
What is Dr. Tammy Williams's NPI?
Dr. Tammy Williams's National Provider Identifier (NPI) is 1629617873, issued by NPPES.
Does Dr. Tammy Williams accept Medicare assignment?
Yes. Dr. Tammy Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Tammy Williams commonly perform?
Top Medicare-reported procedures in 2023: Assessment of emotional or behavioral problems (HCPCS 96127); Psychiatric diagnostic evaluation (HCPCS 90791). Source: CMS Medicare Physician & Other Practitioners file.