Colleen M. Poggenburg, M.D.
Internal Medicine Physician · Mequon, WI
Colleen M. Poggenburg, M.D. is an internal medicine physician with a practice address in Mequon, Wisconsin, and NPI 1558306407, issued on Jun 17, 2006. Check the license (Wisconsin 41545-020, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Colleen M. Poggenburg
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 41545-020 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1251 W Glen Oaks LN, Mequon, WI 53092
- Phone
- (414) 290-6720
- Enumerated
- Jun 17, 2006
- Record last updated
- Mar 16, 2022
- Fax
- (414) 290-6755
- Medicaid ID
- 34689800 WI
- Medicare enrollment
- Enrolled (PECOS I20051012000314); accepts Medicare assignment
- Medical or professional school
- Medical College Of Wisconsin, 1998
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,078 in Wisconsin → Look up another NPI →
Also registered at 1251 W Glen Oaks LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michael Unger, M.D.Internal Medicine Physician1568485753
Verify Colleen M. Poggenburg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 41545-020Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average internal medicine physician in 2024
81 Medicare Part D claims for 31 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Eliquis14 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 2 group practices
- Aurora Medical Group, Inc.West Allis, WI
- Froedtert Andthe Medical College OF Wisconsin Community Physicians IncWest Bend, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Colleen M. Poggenburg among 2,078 internal medicine physician records in Wisconsin
Colleen M. Poggenburg, 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
- Graduated1998 · median 2002 among the 1,098 with a school on file
- Record last updated2022 · 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).
25 internal medicine physician records list a practice address in Mequon
They are 25 of the 1,048 NPPES records with a practice address in Mequon, and 2,078 internal medicine physician records in Wisconsin.
All 2,078 in Wisconsin → Every provider in Mequon → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Marsha Davis, MDMequon, WI 530921063451235
- Brenton Field, MDMequon, WI 530921598797730
- Kevin Goniu, MDMequon, WI 530921710910708
- Madhumathi Kosaraju, MDMequon, WI 530921770574824
- Lynne Langlois, D.O.Mequon, WI 530921265499198
- Norine Nazareth, M.D.Mequon, WI 530921104856244
- Luke Rehrauer, MDMequon, WI 530921124050364
- Bozena Simon, MDMequon, WI 530921437249125
Common questions
What is Colleen M. Poggenburg, M.D.'s NPI number?
Colleen M. Poggenburg, M.D.'s National Provider Identifier (NPI) is 1558306407, issued on Jun 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Colleen M. Poggenburg, M.D. located?
The NPPES record lists a practice address at 1251 W Glen Oaks LN, Mequon, WI, 53092. Phone: (414) 290-6720. Providers update this record themselves, so call before visiting.
How can I verify Colleen M. Poggenburg, M.D.'s license?
NPPES lists Wisconsin license number 41545-020, 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 Colleen M. Poggenburg, M.D. prescribe under Medicare Part D?
In 2024, Colleen M. Poggenburg, M.D. had 81 Medicare Part D claims for 31 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.