Doctor profile · Federal record

Dr. Yvonne Petersen-Zich, M.S.

Speech-Language Pathologist (CMS: Qualified Speech Language Pathologist) · Greenfield, WI

  • NPI 1144369216
  • Accepts Medicare
  • 37 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3939 S 92Nd St
Greenfield, WI 532282140
(414) 546-7345
Mailing address
4920 Mary Drew Dr
Racine, WI 534029514

Credentials & registration

NPPES · NUCC
NPI registered
February 2007 — 19 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
235Z00000X — NUCC code
State license (1)
Wisconsin #701-154

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1144369216. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
206
Distinct HCPCS
2
Medicare allowed
$16,480
HCPCS Description Services Patients Avg allowed
92507 Treatment of speech, language, voice, communication, and/or hearing processing disorder 195 14 $72
92523 Evaluation of speech sound production with evaluation of language comprehension and expression 11 11 $219

In context: peer comparison

Among 1 peers in Greenfield Speech-Language Pathologist, average services per provider: 103. This provider delivers 2.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Yvonne Petersen-Zich's medical specialty?
Dr. Yvonne Petersen-Zich practices Speech-Language Pathologist in Greenfield, WI.
Where does Dr. Yvonne Petersen-Zich practice?
Dr. Yvonne Petersen-Zich practices at 3939 S 92Nd St, Greenfield, WI 532282140. Office phone: 4145467345.
What is Dr. Yvonne Petersen-Zich's NPI?
Dr. Yvonne Petersen-Zich's National Provider Identifier (NPI) is 1144369216, issued by NPPES.
Does Dr. Yvonne Petersen-Zich accept Medicare assignment?
Yes. Dr. Yvonne Petersen-Zich accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Yvonne Petersen-Zich commonly perform?
Top Medicare-reported procedures in 2023: Treatment of speech, language, voice, communication, and/or hearing processing disorder (HCPCS 92507); Evaluation of speech sound production with evaluation of language comprehension and expression (HCPCS 92523). Source: CMS Medicare Physician & Other Practitioners file.