Doctor profile · Federal record

Dr. Nancy Sonntag, L.C.S.W.

Clinical Social Worker · Dallas, TX

  • NPI 1215926936
  • Accepts Medicare
  • 35 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
6162 E Mockingbird Ln, Ste. 215
Dallas, TX 752142697
(972) 841-4510
Mailing address
1508 Melrose Cir
Richardson, TX 750803001

Credentials & registration

NPPES · NUCC
NPI registered
October 2005 — 21 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
1041C0700X — NUCC code
State license (1)
Texas #21346
Medicaid
TX #040365102

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1215926936. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
183
Distinct HCPCS
1
Medicare allowed
$19,550
HCPCS Description Services Patients Avg allowed
90837 Psychotherapy, 1 hour 183 12 $107

In context: peer comparison

Among 20 peers in Dallas Clinical Social Worker, average services per provider: 129. This provider delivers 1.4× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Nancy Sonntag's medical specialty?
Dr. Nancy Sonntag practices Clinical Social Worker in Dallas, TX.
Where does Dr. Nancy Sonntag practice?
Dr. Nancy Sonntag practices at 6162 E Mockingbird Ln, Dallas, TX 752142697. Office phone: 9728414510.
What is Dr. Nancy Sonntag's NPI?
Dr. Nancy Sonntag's National Provider Identifier (NPI) is 1215926936, issued by NPPES.
Does Dr. Nancy Sonntag accept Medicare assignment?
Yes. Dr. Nancy Sonntag accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nancy Sonntag commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90837). Source: CMS Medicare Physician & Other Practitioners file.