Doctor profile · Federal record

Dr. Ann-Marie Olsen, MSW, LCSW

Clinical Social Worker · Madison, WI

  • NPI 1255468153
  • Accepts Medicare
  • 25 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
7633 Ganser Way, Suite 204
Madison, WI 537192092
(608) 829-1800
Mailing address
2109 Hoel Cir
Stoughton, WI 535894669

Credentials & registration

NPPES · NUCC
NPI registered
February 2007 — 19 yrs on file
Profile last updated
January 27, 2011
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
1041C0700X — NUCC code
State license (1)
Wisconsin #7719-123

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1255468153. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
170
Distinct HCPCS
1
Medicare allowed
$17,478
HCPCS Description Services Patients Avg allowed
90837 Psychotherapy, 1 hour 170 18 $103

In context: peer comparison

Among 11 peers in Madison Clinical Social Worker, average services per provider: 124. This provider delivers 1.4× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Ann-Marie Olsen's medical specialty?
Dr. Ann-Marie Olsen practices Clinical Social Worker in Madison, WI.
Where does Dr. Ann-Marie Olsen practice?
Dr. Ann-Marie Olsen practices at 7633 Ganser Way, Madison, WI 537192092. Office phone: 6088291800.
What is Dr. Ann-Marie Olsen's NPI?
Dr. Ann-Marie Olsen's National Provider Identifier (NPI) is 1255468153, issued by NPPES.
Does Dr. Ann-Marie Olsen accept Medicare assignment?
Yes. Dr. Ann-Marie Olsen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ann-Marie Olsen commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90837). Source: CMS Medicare Physician & Other Practitioners file.