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

Dr. Raina L Hollenbaugh, MD

Individual provider Anesthesiology Physician · NPI 1437132248

Dr. Raina L Hollenbaugh, MD is an Anesthesiology in Oconomowoc, Wisconsin. Graduated from University of Washington School of Medicine in 1988, 38 years ago. Practices with Mercy Health System Corporation, a 751-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
38
Trained at
University of Washington 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

791 E Summit Ave
Oconomowoc, WI 53066-3844
Phone: (262) 569-9400
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 3400 E Racine St, Janesville, WI 53546-2344 — (608) 373-8000

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence 30573-020 (WI)

Record details

NPI number1437132248
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 25, 2005
Last updated in NPPESSeptember 12, 2025
Certification dateSeptember 12, 2025

Medicare enrollment

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

Medicare specialtyANESTHESIOLOGY
Medical schoolUNIVERSITY OF WASHINGTON SCHOOL OF MEDICINE
Graduated 1988 (38 years in practice)
Group practice Mercy Health System Corporation — 751 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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