Donald E. Hartig, MD
Internal Medicine Physician · Green Bay, WI
Donald E. Hartig, MD is an internal medicine physician with a practice address in Green Bay, Wisconsin, and NPI 1073597803, issued on Dec 5, 2005. Check the license (Wisconsin 34518, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Donald E. Hartig
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 34518 WI
Self-reported in NPPES; status is on the state search - Practice location
- 2714 Riverview Dr, Green Bay, WI 54313
- Phone
- (920) 430-4760
- Enumerated
- Dec 5, 2005
- Record last updated
- Mar 14, 2014 (not updated in 12 years: call before relying on the address or phone)
- Medicaid ID
- 34336000 WI
- Medicare enrollment
- Enrolled (PECOS I20051010000704); accepts Medicare assignment
- Medical or professional school
- University Of Kansas School Of Med (Kc/Wich/Sal), 1992
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,078 in Wisconsin → Look up another NPI →
Also registered at 2714 Riverview Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Donald E. Hartig in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 34518Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.4 times the Medicare Part D claims of the average internal medicine physician in 2024
14,037 Medicare Part D claims for 953 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. 374 claims were for opioids.
Most prescribed
- Atorvastatin Calcium879 claims
- Lisinopril568 claims
- Amlodipine Besylate525 claims
- Simvastatin397 claims
- Omeprazole359 claims
- Rosuvastatin Calcium356 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
- Bellin Memorial Hospital IncGreen Bay, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Donald E. Hartig among 2,078 internal medicine physician records in Wisconsin
Donald E. Hartig, MD 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 91% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated1992 · median 2002 among the 1,098 with a school on file
- Record last updated2014 · 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
- Steven Bollom, MDGreen Bay, WI 543131467477786
- Edward Bongiorno, DOGreen Bay, WI 543131992789754
- Carla Montero Conrotto, MDSuamico, WI 543131437769221
- Gunar Strungs, MDGreen Bay, WI 543131659390292
- Aliaksandr Trusau, M.D.Green Bay, WI 543131538542089
- Ashwani Bhatia, MDGreen Bay, WI 543111326240128
- James Bruno, DOGreen Bay, WI 543111578973087
- Thomas Leonard, M.D.Green Bay, WI 543111992774160
Common questions
What is Donald E. Hartig, MD's NPI number?
Donald E. Hartig, MD's National Provider Identifier (NPI) is 1073597803, issued on Dec 5, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Donald E. Hartig, MD located?
The NPPES record lists a practice address at 2714 Riverview Dr, Green Bay, WI, 54313. Phone: (920) 430-4760. Providers update this record themselves, so call before visiting.
How can I verify Donald E. Hartig, MD's license?
NPPES lists Wisconsin license number 34518, 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 Donald E. Hartig, MD prescribe under Medicare Part D?
In 2024, Donald E. Hartig, MD had 14,037 Medicare Part D claims for 953 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.