Doctor profile · Federal record

Dr. Marc Gunderson, MD

Psychiatry Physician (CMS: Psychiatry) · Psychiatry Physician · Milwaukee, WI

  • NPI 1194067561
  • Accepts Medicare
  • 13 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
1155 N Mayfair RD
Milwaukee, WI 532263462
(414) 955-5990
fax (414) 955-6282
Additional location
1129 Macklind Ave
Saint Louis, MO 631101440
(314) 534-0200
Additional location
W129N7055 Northfield Dr
Menomonee Falls, WI 530510538
(262) 253-5400
fax (262) 253-3399

Credentials & registration

NPPES · NUCC
NPI registered
March 2013 — 13 yrs on file
Profile last updated
June 16, 2020
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
2084P0800X — NUCC code
State licenses (2)
Wisconsin #62813-20 · Missouri #2017014153
Medicaid
WI #1194067561

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1194067561. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
79
Distinct HCPCS
1
Medicare allowed
$9,155
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 79 21 $116

In context: peer comparison

Among 39 peers in Milwaukee Psychiatry Physician, average services per provider: 68. This provider delivers 1.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$20
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Supernus Pharmaceuticals, INC. 1 $20.22

By nature of payment

Food and Beverage
$20

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
851
Patients
184
Total drug cost
$35,173
Drug Type Claims Patients Total cost
Clonazepam Generic 95 21 $1,362
Bupropion Xl (Bupropion Hcl) Brand 94 21 $3,630
Escitalopram Oxalate Generic 83 25 $1,610
Mirtazapine Generic 75 18 $1,940
Quetiapine Fumarate Generic 75 14 $1,883
Trazodone Hcl Generic 70 16 $886
Lamotrigine Generic 58 18 $1,047
Alprazolam Generic 54 12 $131
Aripiprazole Generic 42 12 $2,547
Diazepam Generic 39 0 $418

Frequently asked questions

Auto-generated from federal data
What is Dr. Marc Gunderson's medical specialty?
Dr. Marc Gunderson practices Psychiatry Physician in Milwaukee, WI.
Where does Dr. Marc Gunderson practice?
Dr. Marc Gunderson practices at 1155 N Mayfair RD, Milwaukee, WI 532263462. Office phone: 4149555990.
What is Dr. Marc Gunderson's NPI?
Dr. Marc Gunderson's National Provider Identifier (NPI) is 1194067561, issued by NPPES.
Does Dr. Marc Gunderson accept Medicare assignment?
Yes. Dr. Marc Gunderson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marc Gunderson commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.