Doctor profile · Federal record

Dr. Mary Briegel, LCSW

Clinical Social Worker · Naperville, IL

  • NPI 1417269077
  • Accepts Medicare
  • MIPS 91.4 / 100 · 2023
  • 29 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1335 N Mill St Ste 100
Naperville, IL 605632047
(630) 646-8000
Additional location
24024 Brancaster Dr
Naperville, IL 605648044
(630) 217-1054

Credentials & registration

NPPES · NUCC
NPI registered
July 2010 — 16 yrs on file
Profile last updated
May 1, 2024
Year of graduation
1997 — 29 yrs since
Specialty taxonomy
1041C0700X — NUCC code
State license (1)
Illinois #149014227

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1417269077. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
270
Distinct HCPCS
1
Medicare allowed
$30,107
HCPCS Description Services Patients Avg allowed
90837 Psychotherapy, 1 hour 270 16 $112

In context: peer comparison

Among 8 peers in Naperville Clinical Social Worker, average services per provider: 151. This provider delivers 1.8× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Mary Briegel's medical specialty?
Dr. Mary Briegel practices Clinical Social Worker in Naperville, IL.
Where does Dr. Mary Briegel practice?
Dr. Mary Briegel practices at 1335 N Mill St Ste 100, Naperville, IL 605632047. Office phone: 6306468000.
What is Dr. Mary Briegel's NPI?
Dr. Mary Briegel's National Provider Identifier (NPI) is 1417269077, issued by NPPES.
Does Dr. Mary Briegel accept Medicare assignment?
Yes. Dr. Mary Briegel accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Briegel commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90837). Source: CMS Medicare Physician & Other Practitioners file.