Doctor profile · Federal record

Dr. Marshall Bales, M.D.

Forensic Psychiatry Physician (CMS: Psychiatry) · Psychiatry Physician · Winnebago, WI

  • NPI 1467494211
  • Accepts Medicare
  • 41 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1300 South Drive
Winnebago, WI 549850009
(920) 235-4910
fax (920) 237-2043
Mailing address
601 Houghteling St
Iron Mountain, MI 498016828

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
April 7, 2017
Year of graduation
1985 — 41 yrs since
Specialty taxonomy
2084F0202X — NUCC code
State licenses (2)
Wisconsin #31871 · Kansas #04-23919

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1467494211. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
194
Distinct HCPCS
2
Medicare allowed
$20,590
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 149 47 $114
99213 Established patient office or other outpatient visit, 20-29 minutes 45 17 $81

In context: peer comparison

Among 1 peers in this city , average services per provider: 97. This provider delivers 2.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
4,789
Patients
537
Total drug cost
$155,198
Drug Type Claims Patients Total cost
Quetiapine Fumarate Generic 659 74 $14,733
Lorazepam Generic 474 53 $5,242
Risperidone Generic 438 44 $6,693
Olanzapine Generic 411 41 $12,708
Haloperidol Generic 374 43 $14,627
Trazodone Hcl Generic 350 44 $5,882
Benztropine Mesylate Generic 329 35 $5,010
Fluoxetine Hcl Generic 281 36 $2,057
Clonazepam Generic 270 31 $3,371
Clozapine Generic 263 20 $32,912

Frequently asked questions

Auto-generated from federal data
What is Dr. Marshall Bales's medical specialty?
Dr. Marshall Bales practices Forensic Psychiatry Physician in Winnebago, WI.
Where does Dr. Marshall Bales practice?
Dr. Marshall Bales practices at 1300 South Drive, Winnebago, WI 549850009. Office phone: 9202354910.
What is Dr. Marshall Bales's NPI?
Dr. Marshall Bales's National Provider Identifier (NPI) is 1467494211, issued by NPPES.
Does Dr. Marshall Bales accept Medicare assignment?
Yes. Dr. Marshall Bales accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marshall Bales commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.