Doctor profile · Federal record

Dr. James Gapinski, MD

Sleep Medicine (Internal Medicine) Physician (CMS: Sleep Medicine) · Pulmonary Disease Physician · Green Bay, WI

  • NPI 1922114768
  • Accepts Medicare
  • 38 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2845 Greenbrier RD, #120
Green Bay, WI 543088900
(920) 288-8100
Mailing address
Po Box 735044
Chicago, IL 606735044

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
June 12, 2025
Year of graduation
1988 — 38 yrs since
Specialty taxonomy
207RS0012X — NUCC code
State license (1)
Wisconsin #32447-20
Medicaid
WI #31741500

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1922114768. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
468
Distinct HCPCS
7
Medicare allowed
$44,398
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 280 275 $86
99204 New patient office or other outpatient visit, 45-59 minutes 44 44 $157
99214 Established patient office or other outpatient visit, 30-39 minutes 42 38 $118
G0399 Home sleep test (hst) with type iii portable monitor, unattended; minimum of 4 channels: 2 respiratory movement/airflow, 1 ecg/heart rate and 1 oxygen saturation 40 40 $43
95811 Sleep study in sleep lab with continuous airway pressure (6 years or older) 27 27 $110
95810 Sleep study in sleep lab (6 years or older) 22 22 $114
99203 New patient office or other outpatient visit, 30-44 minutes 13 13 $100

In context: peer comparison

Among 1 peers in this city , average services per provider: 66. This provider delivers 7.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,225
Patients
132
Total drug cost
$49,996
Drug Type Claims Patients Total cost
Zolpidem Tartrate Generic 218 36 $1,435
Doxepin Hcl Generic 135 25 $1,526
Clonazepam Generic 96 15 $781
Pramipexole Dihydrochloride (Pramipexole Di-Hcl) Brand 94 20 $1,079
Dextroamphetamine-Amphetamine (Dextroamphetamine/Amphetamine) Brand 92 0 $4,380
Methylphenidate Hcl Generic 85 16 $3,775
Eszopiclone Generic 82 0 $1,296
Zaleplon Generic 80 20 $2,151
Triazolam Generic 72 0 $5,639
Temazepam Generic 57 0 $2,064

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. James Gapinski's medical specialty?
Dr. James Gapinski practices Sleep Medicine (Internal Medicine) Physician in Green Bay, WI.
Where does Dr. James Gapinski practice?
Dr. James Gapinski practices at 2845 Greenbrier RD, Green Bay, WI 543088900. Office phone: 9202888100.
What is Dr. James Gapinski's NPI?
Dr. James Gapinski's National Provider Identifier (NPI) is 1922114768, issued by NPPES.
Does Dr. James Gapinski accept Medicare assignment?
Yes. Dr. James Gapinski accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. James Gapinski commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99204); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.