Doctor profile · Federal record

Dr. Joanna Buck, MD

Psychiatry Physician (CMS: Psychiatry) · Student in an Organized Health Care Education/Training Program · Waukesha, WI

  • NPI 1912403700
  • Accepts Medicare
  • 8 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
721 American Ave Ste 501
Waukesha, WI 531885071
(262) 928-4036
Additional location
2851 University Ave
Green Bay, WI 543115855
(920) 431-2642

Credentials & registration

NPPES · NUCC
NPI registered
April 2018 — 8 yrs on file
Profile last updated
August 4, 2022
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
2084P0800X — NUCC code
State license (1)
Wisconsin #71731-20

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1912403700. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
178
Distinct HCPCS
2
Medicare allowed
$24,486
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 125 45 $118
90792 Psychiatric diagnostic evaluation with medical services 53 53 $184

In context: peer comparison

Among 6 peers in Waukesha Psychiatry Physician, average services per provider: 119. This provider delivers 1.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,391
Patients
315
Total drug cost
$34,317
Drug Type Claims Patients Total cost
Quetiapine Fumarate Generic 137 31 $3,727
Duloxetine Hcl Generic 133 30 $4,952
Sertraline Hcl Generic 132 32 $1,885
Clonazepam Generic 131 32 $1,356
Bupropion Xl (Bupropion Hcl) Brand 119 25 $3,991
Lorazepam Generic 90 24 $682
Olanzapine Generic 85 17 $3,004
Buspirone Hcl Generic 83 22 $1,282
Lamotrigine Generic 78 27 $1,924
Gabapentin Generic 77 20 $1,809

Frequently asked questions

Auto-generated from federal data
What is Dr. Joanna Buck's medical specialty?
Dr. Joanna Buck practices Psychiatry Physician in Waukesha, WI.
Where does Dr. Joanna Buck practice?
Dr. Joanna Buck practices at 721 American Ave Ste 501, Waukesha, WI 531885071. Office phone: 2629284036.
What is Dr. Joanna Buck's NPI?
Dr. Joanna Buck's National Provider Identifier (NPI) is 1912403700, issued by NPPES.
Does Dr. Joanna Buck accept Medicare assignment?
Yes. Dr. Joanna Buck accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Joanna Buck commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Psychiatric diagnostic evaluation with medical services (HCPCS 90792). Source: CMS Medicare Physician & Other Practitioners file.