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

John Scott Maul, MD

Individual provider Hematology & Oncology Physician · NPI 1326014382

John Scott Maul, MD is a Medical Oncology in Grafton, Wisconsin. Graduated from Medical College of Wisconsin in 1999, 27 years ago. Practices with Parkview Health System Inc, a 1,336-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Indiana and Wisconsin.

Years since qualifying
27
Trained at
Medical College of Wisconsin
Licensed in
IN, WI
In the registry since
2006
Specialties on file
3
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

975 Port Washington Rd
Grafton, WI 53024-9201
Phone: (262) 857-5750
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1355 Mariners Dr, Warsaw, IN 46582-7145 — (260) 266-7100

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence 48107 (WI)
Medical Oncology Physician Taxonomy 207RX0202X · Licence 01094982A (IN)
Medical Oncology Physician Taxonomy 207RX0202X · Licence 48107 (WI)

Record details

NPI number1326014382
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 28, 2006
Last updated in NPPESFebruary 3, 2025
Certification dateFebruary 3, 2025
Mailing address3003 W Good Hope Rd, Milwaukee, WI 53209-2042

Medicare enrollment

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

Medicare specialtyMEDICAL ONCOLOGY
Medical schoolMEDICAL COLLEGE OF WISCONSIN
Graduated 1999 (27 years in practice)
Group practice Parkview Health System Inc — 1336 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Grafton