James P. Gapinski, MD
Sleep Medicine (Internal Medicine) Physician · Green Bay, WI
James P. Gapinski, MD is a sleep medicine (internal medicine) physician with a practice address in Green Bay, Wisconsin, and NPI 1922114768, issued on Aug 22, 2006. Check the license (Wisconsin 32447-20, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- James P. Gapinski
- Credential
- MD
- Primary taxonomy
- Sleep Medicine (Internal Medicine) Physician 207RS0012X
- License number
- 32447-20 WI
Self-reported in NPPES; status is on the state search - Practice location
- 2845 Greenbrier RD, Green Bay, WI 54308
- Phone
- (920) 288-8100
- Enumerated
- Aug 22, 2006
- Record last updated
- Jun 12, 2025
- Medicaid ID
- 31741500 WI
- Medicare enrollment
- Enrolled (PECOS I20051012000828); accepts Medicare assignment
- Medical or professional school
- University Of Wisconsin School Of Medicine, 1988
- Entity
- Type 1 · individual
8 nearest sleep medicine (internal medicine) physician records → All 27 in Wisconsin → Look up another NPI →
Also registered at 2845 Greenbrier RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Donald Beno, MDPediatrics Physician1669481388
- Sara Beno-Chambers, APNPNurse Practitioner1598774200
- Terry Betts, PTAPhysical Therapy Assistant1306025085
- Michael Brockman, MDObstetrics & Gynecology Physician1023027703
- Cynthia Brown-Sullivan, MDObstetrics & Gynecology Physician1932118601
- Susan Campbell, RNRegistered Nurse1932118080
Verify James P. Gapinski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 32447-20Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.6 times the Medicare Part D claims of the average sleep medicine (internal medicine) physician in 2024
1,546 Medicare Part D claims for 181 beneficiaries, against an average of 585 among the 852 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 70 claims were for opioids.
Most prescribed
- Zolpidem Tartrate209 claims
- Clonazepam129 claims
- Pramipexole Dihydrochloride111 claims
- Doxepin Hcl103 claims
- Methylphenidate Hcl102 claims
- Eszopiclone95 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Aurora Medical Group, Inc.Green Bay, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James P. Gapinski among 27 sleep medicine (internal medicine) physician records in Wisconsin
James P. Gapinski, MD is one of 27 sleep medicine (internal medicine) physician records with a practice address in Wisconsin. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 11% of them.
- NPI issued2006 · 11% of these records are older, 56% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1988 · median 2001 among the 17 with a school on file
- Record last updated2025 · 44% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RS0012X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Sleep Medicine (Internal Medicine) Physician providers in Wisconsin
There are 27 sleep medicine (internal medicine) physician records in Wisconsin.
All 27 in Wisconsin → Every provider in Green Bay → Sleep Medicine (Internal Medicine) Physician nationwide →
The 8 sleep medicine (internal medicine) physician records with the nearest ZIP codes
- Amit Gupta, M.D.Green Bay, WI 543111679991277
- Ethan Emmons, MDGreen Bay, WI 543011265416325
- Deane Franso, M.D.Green Bay, WI 543011407122906
- Allen Foster, MDLa Crosse, WI 546011043261399
- Daren Tobert, MDLa Crosse, WI 546011962406728
- Alexander Villareal, M.D.La Crosse, WI 546011609094457
- Nazi Khan, MDColumbus, WI 539251225004245
- Steven Barczi, MDMadison, WI 537921730156761
Common questions
What is James P. Gapinski, MD's NPI number?
James P. Gapinski, MD's National Provider Identifier (NPI) is 1922114768, issued on Aug 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is James P. Gapinski, MD located?
The NPPES record lists a practice address at 2845 Greenbrier RD, Green Bay, WI, 54308. Phone: (920) 288-8100. Providers update this record themselves, so call before visiting.
How can I verify James P. Gapinski, MD's license?
NPPES lists Wisconsin license number 32447-20, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does James P. Gapinski, MD prescribe under Medicare Part D?
In 2024, James P. Gapinski, MD had 1,546 Medicare Part D claims for 181 beneficiaries; the average among sleep medicine (internal medicine) physician prescribers was 585. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.