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

Dean Delmastro, MD

Individual provider Internal Medicine Physician · NPI 1699875922

Dean Delmastro, MD is a Hematology/Oncology in Eau Claire, Wisconsin. Graduated from Rush Medical College of Rush University in 1988, 38 years ago. Practices with Mchs Hospitals Inc, a 1,194-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Wisconsin.

Years since qualifying
38
Trained at
Rush Medical College of Rush University
Licensed in
WI
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

900 W Clairemont Ave
Eau Claire, WI 54701
Phone: (715) 839-3956
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 37184 (WI)
Hematology & Oncology Physician Taxonomy 207RH0003X · Licence 37184 (WI)

Record details

NPI number1699875922
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 25, 2006
Last updated in NPPESSeptember 11, 2025

Medicare enrollment

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

Medicare specialtyHEMATOLOGY/ONCOLOGY
Also practisesINTERNAL MEDICINE
Medical schoolRUSH MEDICAL COLLEGE OF RUSH UNIVERSITY
Graduated 1988 (38 years in practice)
Group practice McHs Hospitals Inc — 1194 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations4 on file with Medicare

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