Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Ann M Koehler, MD

Individual provider Specialist · NPI 1700820073

Ann M Koehler, MD practises Dermatology in Burnsville, Minnesota. Graduated from University of Missouri, Kansas City, School of Medicine in 1991, 35 years ago. Practices with Park Nicollet Clinic, a 1,773-clinician group and accepts Medicare assignment. Licensed in Minnesota.

Years since qualifying
35
Trained at
University of Missouri, Kansas City, School of Medicine
Licensed in
MN
In the registry since
2006
Specialties on file
2
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

14000 Fairview Dr
Burnsville, MN 55337-5713
Phone: (952) 993-8700
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Dermatology Physician (primary) Taxonomy 207N00000X · Licence 40323 (MN)
Specialist Taxonomy 174400000X · Licence 40323 (MN)

Record details

NPI number1700820073
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 16, 2006
Last updated in NPPESMarch 11, 2022
Certification dateMarch 11, 2022

Medicare enrollment

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

Medicare specialtyDERMATOLOGY
Medical schoolUNIVERSITY OF MISSOURI, KANSAS CITY, SCHOOL OF MEDICINE
Graduated 1991 (35 years in practice)
Group practice Park Nicollet Clinic — 1773 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

Procedures

From CMS Care Compare, which counts the procedures a clinician billed to Original Medicare and Medicare Advantage over a recent 12-month period. CMS reports a fixed list of common procedures, so this is not everything the clinician does. Counts of 10 or fewer are given as a range, because CMS withholds small numbers.

Removal of skin lesions 214 times · 80th percentile
Removal or shaving of skin growth 27 times · 74th percentile
Skin biopsy 65 times · 71st percentile
Melanoma (skin cancer) excision 1–10 times

The percentile compares how often this clinician performed the procedure with other clinicians who performed it, as CMS calculates it. It measures volume, not outcomes or skill.

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients346
Services billed 1,050 a service is one billed item, such as a visit, a test or a procedure
Average patient age73

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at Park Nicollet Clinic

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 1773 clinicians in the practice; 12 are shown here.

Other providers in Burnsville