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

Sarah Marie Rumler, DO

Individual provider Pediatric Hematology & Oncology Physician · NPI 1003221896

Sarah Marie Rumler, DO is a Hematology/Oncology in Milwaukee, Wisconsin. Graduated from Lake Erie College of Osteopathic Medicine, Erie in 2014, 12 years ago. Practices with Childrens Specialty Group Inc, a 213-clinician group and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
12
Trained at
Lake Erie College of Osteopathic Medicine, Erie
Licensed in
WI
In the registry since
2014
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

9000 W Wisconsin Ave
Milwaukee, WI 53226-4874
Phone: (414) 955-4170
Fax: (414) 955-6543
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatric Hematology & Oncology Physician (primary) Taxonomy 2080P0207X · Licence 75724 (WI)

Record details

NPI number1003221896
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorNo
NPI enumeratedJune 30, 2014
Last updated in NPPESJuly 26, 2021
Certification dateJuly 26, 2021
Mailing address9000 W Wisconsin Ave, Milwaukee, WI 53226-4874

Medicare enrollment

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

Medicare specialtyHEMATOLOGY/ONCOLOGY
Also practisesPEDIATRIC MEDICINE
Medical schoolLAKE ERIE COLLEGE OF OSTEOPATHIC MEDICINE, ERIE
Graduated 2014 (12 years in practice)
Group practice Childrens Specialty Group Inc — 213 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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