Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Mr. Douglas William Mielke, MD

Individual provider Internal Medicine Physician · NPI 1104878149

Mr. Douglas William Mielke, MD is an Interventional Cardiology in Appleton, Wisconsin. Graduated from University of Wisconsin School of Medicine in 1987, 39 years ago. Practices with Ascension Medical Group-Fox Valley Wisconsin, Inc, a 260-clinician group and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
39
Trained at
University of Wisconsin School of Medicine
Licensed in
WI
In the registry since
2006
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

5045 W Grande Market Dr
Appleton, WI 54913-8517
Phone: (920) 886-9380
Fax: (920) 886-9381
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Interventional Cardiology Physician (primary) Taxonomy 207RI0011X · Licence 35277-020 (WI)
Internal Medicine Physician Taxonomy 207R00000X · Licence 35277-020 (WI)
Cardiovascular Disease Physician Taxonomy 207RC0000X · Licence 35277-020 (WI)

Record details

NPI number1104878149
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 17, 2006
Last updated in NPPESMarch 26, 2020
Certification dateMarch 26, 2020

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERVENTIONAL CARDIOLOGY
Also practisesCARDIOVASCULAR DISEASE (CARDIOLOGY)
Medical schoolUNIVERSITY OF WISCONSIN SCHOOL OF MEDICINE
Graduated 1987 (39 years in practice)
Group practice Ascension Medical Group-Fox Valley Wisconsin, Inc — 260 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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