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

Maria L Fassari, MD

Individual provider Internal Medicine Physician · NPI 1295860500

Maria L Fassari, MD is a Hospitalist in Janesville, Wisconsin. Qualified in 2015, 11 years ago. Practices with Endeavor Health Medical Group, a 3,348-clinician group and accepts Medicare assignment. Licensed in Illinois and Wisconsin.

Years since qualifying
11
Licensed in
IL, WI
In the registry since
2007
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

3400 E Racine St
Janesville, WI 53546-2344
Phone: (608) 373-8000
Fax: (608) 373-8514
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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 67628-20 (WI)
Internal Medicine Physician Taxonomy 207R00000X · Licence 036-116724 (IL)

Record details

NPI number1295860500
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 23, 2007
Last updated in NPPESNovember 12, 2020
Certification dateNovember 12, 2020

Medicare enrollment

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

Medicare specialtyHOSPITALIST
Medical schoolOTHER
Graduated 2015 (11 years in practice)
Group practice Endeavor Health Medical Group — 3348 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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