Doctor profile · Federal record

Dr. Sydney Zettler, LCSW

Clinical Social Worker · Middleton, WI

  • NPI 1134837461
  • MIPS 77.4 / 100 · 2023
  • 9 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2113 Clark St
Middleton, WI 535622613
(414) 861-4427

Credentials & registration

NPPES · NUCC
NPI registered
November 2022 — 4 yrs on file
Profile last updated
April 10, 2026
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
1041C0700X — NUCC code
State license (1)
Wisconsin #10006-123

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1134837461. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
108
Distinct HCPCS
3
Medicare allowed
$10,883
HCPCS Description Services Patients Avg allowed
90837 Psychotherapy, 1 hour 66 15 $106
90834 Psychotherapy, 45 minutes 26 11 $72
90791 Psychiatric diagnostic evaluation 16 16 $126

In context: peer comparison

Among 2 peers in Middleton Clinical Social Worker, average services per provider: 75. This provider delivers 1.4× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Sydney Zettler's medical specialty?
Dr. Sydney Zettler practices Clinical Social Worker in Middleton, WI.
Where does Dr. Sydney Zettler practice?
Dr. Sydney Zettler practices at 2113 Clark St, Middleton, WI 535622613. Office phone: 4148614427.
What is Dr. Sydney Zettler's NPI?
Dr. Sydney Zettler's National Provider Identifier (NPI) is 1134837461, issued by NPPES.
Does Dr. Sydney Zettler accept Medicare assignment?
Dr. Sydney Zettler does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Sydney Zettler commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90837); Psychotherapy (HCPCS 90834); Psychiatric diagnostic evaluation (HCPCS 90791). Source: CMS Medicare Physician & Other Practitioners file.