Nicholas James Heezen, D.O.
Internal Medicine Physician · Green Bay, WI
Nicholas James Heezen, D.O. is an internal medicine physician with a practice address in Green Bay, Wisconsin, and NPI 1114227857, issued on Oct 28, 2010. Check the license (Wisconsin 57651, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Nicholas James Heezen
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 57651 WI
Self-reported in NPPES; status is on the state search - Practice location
- 2253 W Mason St, Green Bay, WI 54303
- Phone
- (920) 327-7300
- Enumerated
- Oct 28, 2010
- Record last updated
- Dec 11, 2023
- Medicaid ID
- 100027340 WI
- Medicare enrollment
- Enrolled (PECOS I20121016000517); accepts Medicare assignment
- Medical or professional school
- At Still University, Arizona School Of Dentistry & Oral Hlth, 2009
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,078 in Wisconsin → Look up another NPI →
Also registered at 2253 W Mason St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Nicholas James Heezen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 57651Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.7 times the Medicare Part D claims of the average internal medicine physician in 2024
14,949 Medicare Part D claims for 875 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 378 claims were for opioids.
Most prescribed
- Atorvastatin Calcium1,170 claims
- Amlodipine Besylate712 claims
- Losartan Potassium491 claims
- Omeprazole481 claims
- Rosuvastatin Calcium476 claims
- Levothyroxine Sodium471 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).
Nicholas James Heezen among 2,078 internal medicine physician records in Wisconsin
Nicholas James Heezen, D.O. is one of 2,078 internal medicine physician records with a practice address in Wisconsin. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 65% of them.
- NPI issued2010 · 65% of these records are older, 33% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2009 · median 2002 among the 1,098 with a school on file
- Record last updated2023 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
69 internal medicine physician records list a practice address in Green Bay
They are 69 of the 4,619 NPPES records with a practice address in Green Bay, and 2,078 internal medicine physician records in Wisconsin.
All 2,078 in Wisconsin → Every provider in Green Bay → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Quan Ai, MDGreen Bay, WI 543031821089616
- Gregory Bottei, MDGreen Bay, WI 543031245255561
- Diane Christel, MDGreen Bay, WI 543031841216116
- Bruce Fenster, MDGreen Bay, WI 543031386660454
- Vaishali Gala, MDGreen Bay, WI 543031457388738
- Michael Gallagher, M.D.Green Bay, WI 543031174544555
- Richard Greene, MDGreen Bay, WI 543031619082609
- John Rank, MDGreen Bay, WI 543031336165877
Common questions
What is Nicholas James Heezen, D.O.'s NPI number?
Nicholas James Heezen, D.O.'s National Provider Identifier (NPI) is 1114227857, issued on Oct 28, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Nicholas James Heezen, D.O. located?
The NPPES record lists a practice address at 2253 W Mason St, Green Bay, WI, 54303. Phone: (920) 327-7300. Providers update this record themselves, so call before visiting.
How can I verify Nicholas James Heezen, D.O.'s license?
NPPES lists Wisconsin license number 57651, 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 Nicholas James Heezen, D.O. prescribe under Medicare Part D?
In 2024, Nicholas James Heezen, D.O. had 14,949 Medicare Part D claims for 875 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.