Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Mark W. Collar, MD

Individual provider Anesthesiology Physician · NPI 1659354553

Dr. Mark W. Collar, MD is an Anesthesiology in Monroe, Wisconsin. Graduated from Saint Louis University School of Medicine in 1994, 32 years ago. Practices with Hospitalist Medicine Physicians of Michigan-Alpena PLLC, a 23-clinician group and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
32
Trained at
Saint Louis University School of Medicine
Licensed in
WI
In the registry since
2005
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

515 22nd Ave Monroe Clinic
Monroe, WI 53566-1569
Phone: (608) 324-2222
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence 38554 (WI)

Record details

NPI number1659354553
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 23, 2005
Last updated in NPPESFebruary 21, 2017
Mailing address515 22nd Ave, Monroe, WI 53566-1569

Medicare enrollment

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

Medicare specialtyANESTHESIOLOGY
Medical schoolSAINT LOUIS UNIVERSITY SCHOOL OF MEDICINE
Graduated 1994 (32 years in practice)
Group practice Hospitalist Medicine Physicians Of Michigan-Alpena Pllc — 23 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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