Sarah Marie Rumler, DO
Pediatric Hematology & Oncology Physician · Milwaukee, WI
Sarah Marie Rumler, DO is a pediatric hematology & oncology physician with a practice address in Milwaukee, Wisconsin, and NPI 1003221896, issued on Jun 30, 2014. Check the license (Wisconsin 75724, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Sarah Marie Rumler
- Credential
- DO
- Primary taxonomy
- Pediatric Hematology & Oncology Physician 2080P0207X
- License number
- 75724 WI
Self-reported in NPPES; status is on the state search - Practice location
- 9000 W Wisconsin Ave, Milwaukee, WI 53226
- Phone
- (414) 955-4170
- Enumerated
- Jun 30, 2014
- Record last updated
- Jul 26, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (414) 955-6543
- Medicare enrollment
- Enrolled (PECOS I20210903001879); accepts Medicare assignment
- Medical or professional school
- Lake Erie College Of Osteopathic Medicine, Erie, 2014
- Entity
- Type 1 · individual
8 nearest pediatric hematology & oncology physician records → All 67 in Wisconsin → Look up another NPI →
Also registered at 9000 W Wisconsin Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lynn Abad-Santos, APNPPediatric Nurse Practitioner1184675696
- Steven AbramowskiPediatric Nurse Practitioner1871118802
- Thomas Abshire, MDPediatric Hematology & Oncology Physician1730249681
- Elham Abushanab, M.D.Neurology with Special Qualifications in Child Neurology Physician1306392634
- Samuel Adams, M.D.Neurology with Special Qualifications in Child Neurology Physician1972947224
- Adeleye Afolayan, M.DNeonatal-Perinatal Medicine Physician1760649776
Verify Sarah Marie Rumler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 75724Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Childrens Specialty Group IncMilwaukee, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sarah Marie Rumler among 67 pediatric hematology & oncology physician records in Wisconsin
Sarah Marie Rumler, DO is one of 67 pediatric hematology & oncology physician records with a practice address in Wisconsin. 51% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 78% of them.
- NPI issued2014 · 78% of these records are older, 16% newer
- In a Medicare fileYes · 51% of these records are
- In the CMS Doctors and Clinicians fileYes · 25% of these records are
- Graduated2014 · median 2008 among the 17 with a school on file
- Record last updated2021 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0207X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Hematology & Oncology Physician providers in Wisconsin
There are 67 pediatric hematology & oncology physician records in Wisconsin.
All 67 in Wisconsin → Every provider in Milwaukee → Pediatric Hematology & Oncology Physician nationwide →
The 8 pediatric hematology & oncology physician records with the nearest ZIP codes
- Meghen Browning, MDMilwaukee, WI 532261184678468
- Michael Burke, M.D.Milwaukee, WI 532261134173842
- Bruce Camitta, MDMilwaukee, WI 532261881644318
- James Casper, MDMilwaukee, WI 532261255382644
- Mary Eapen, MDMilwaukee, WI 532261306897210
- William Grossman, MDMilwaukee, WI 532261679524425
- Paul Harker-Murray, MD PHDMilwaukee, WI 532261235103920
- Robert Montgomery, MDMilwaukee, WI 532261649222381
Common questions
What is Sarah Marie Rumler, DO's NPI number?
Sarah Marie Rumler, DO's National Provider Identifier (NPI) is 1003221896, issued on Jun 30, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Sarah Marie Rumler, DO located?
The NPPES record lists a practice address at 9000 W Wisconsin Ave, Milwaukee, WI, 53226. Phone: (414) 955-4170. Providers update this record themselves, so call before visiting.
How can I verify Sarah Marie Rumler, DO's license?
NPPES lists Wisconsin license number 75724, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.