Donald Massenburg, M.D.
Internal Medicine Physician · Green Bay, WI
Donald Massenburg, M.D. is an internal medicine physician with a practice address in Green Bay, Wisconsin, and NPI 1932118536, issued on Aug 5, 2006. Check the license (Wisconsin 61024, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Donald Massenburg
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 61024 WI
36115006 IL
Self-reported in NPPES; status is on the state search - Practice location
- 3021 Voyager Dr, Green Bay, WI 54311
- Phone
- (920) 496-4700
- Enumerated
- Aug 5, 2006
- Record last updated
- Mar 27, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (920) 272-1108
- Medicare enrollment
- Enrolled (PECOS I20131202001535); accepts Medicare assignment
- Medical or professional school
- Duke University School Of Medicine, 1997
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,078 in Wisconsin → Look up another NPI →
Also registered at 3021 Voyager Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Elizabeth Abegglen, MDStudent in an Organized Health Care Education/Training Program1124821848
- Trent Auguston, MDFamily Medicine Physician1083102792
- Al Baltrusaitis, D.O.Preventive Medicine/Occupational Environmental Medicine Physician1699747105
- Wendy Boakye, MDStudent in an Organized Health Care Education/Training Program1689424293
- Martin Bochenek, MDStudent in an Organized Health Care Education/Training Program1669224846
- Katie Boehm, D-PTPhysical Therapist1942728001
Verify Donald Massenburg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 61024Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
38% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,965 Medicare Part D claims for 339 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 62 claims were for opioids.
Most prescribed
- Prednisone385 claims
- Methotrexate240 claims
- Hydroxychloroquine Sulfate221 claims
- Leflunomide164 claims
- Folic Acid90 claims
- Sulfasalazine54 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.
The MIPS final score for 2023 (Medicare payment program): 94.6 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $847.58
16 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- St Vincent Hospital-Hospital Sisters-Third Order OF St FrancisGreen Bay, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Donald Massenburg among 2,078 internal medicine physician records in Wisconsin
Donald Massenburg, M.D. 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 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 46% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated1997 · median 2002 among the 1,098 with a school on file
- Record last updated2018 · 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
- Ashwani Bhatia, MDGreen Bay, WI 543111326240128
- James Bruno, DOGreen Bay, WI 543111578973087
- Thomas Leonard, M.D.Green Bay, WI 543111992774160
- Kathleen McDougal, MDGreen Bay, WI 543111780671792
- Riley Meyer, D.O.Green Bay, WI 543111891061446
- Charles Nordell, MDGreen Bay, WI 543111346399581
- Paul Pritchard, MDGreen Bay, WI 543111790718922
- Daniel Ripp, MDGreen Bay, WI 543111346267929
Common questions
What is Donald Massenburg, M.D.'s NPI number?
Donald Massenburg, M.D.'s National Provider Identifier (NPI) is 1932118536, issued on Aug 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Donald Massenburg, M.D. located?
The NPPES record lists a practice address at 3021 Voyager Dr, Green Bay, WI, 54311. Phone: (920) 496-4700. Providers update this record themselves, so call before visiting.
How can I verify Donald Massenburg, M.D.'s license?
NPPES lists Wisconsin license number 61024, 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 Massenburg, M.D. prescribe under Medicare Part D?
In 2024, Donald Massenburg, M.D. had 1,965 Medicare Part D claims for 339 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Donald Massenburg, M.D.'s MIPS final score?
The 2023 MIPS final score is 94.6 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.