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DR. ROBERT R MONTGOMERY MD
NPI 1649222381
Pediatrics - Pediatric Hematology-Oncology in Milwaukee, WI

Active since May 17, 2006PECOS Enrolled
9000 W WISCONSIN AVE, CHILDREN'S HOSPITAL OF WISCONSIN, MILWAUKEE, WI 53226(414) 805-3666 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Robert R Montgomery Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ROBERT R MONTGOMERY MD (NPI 1649222381) is an individual pediatric hematology-oncology provider in Milwaukee, Wisconsin, licensed in Wisconsin (23164) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1649222381
Entity TypeIndividualMale
Primary Taxonomy2080P0207X
Provider Legal NameDR. ROBERT R MONTGOMERYCredential: MD
Location Address9000 W WISCONSIN AVE, CHILDREN'S HOSPITAL OF WISCONSINMilwaukee, WI 53226-3518
Mailing Address9000 W Wisconsin Ave, Children's Hospital Of WisconsinMilwaukee, WI 53226-3518
Phone(414) 805-3666
Sole ProprietorNo
Enumeration DateMay 17, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1649222381 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric Hematology-OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0207X
License✔ Licensed in WI · 23164
Definition
A pediatrician trained in the combination of pediatrics, hematology and oncology to recognize and manage pediatric blood disorders and cancerous diseases.
9000 W WISCONSIN AVE, Milwaukee, WI 53226
Open in Google Maps ↗

Other Identifiers 3

Medicaid30333500WI
Medicare ID-Type Unspecified0063173601
Medicare UPINB55202

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Robert R Montgomery Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Robert Montgomery reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

The Medical College Of Wisconsin, Inc.
0.2 mi
Internal Medicine
8701 WATERTOWN PLANK RD
Milwaukee, WI 53226
  • Reassigned Medicare billing, Wisconsin enrollment
  • 3,983 clinicians in this Medicare group
NPI 1699720086 (414) 955-7101

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MS. LESLIE L. TALBERT NP
Nurse Practitioner (Pediatrics)
9000 W WISCONSIN AVE, PEDIATRIC CRITICAL CARE
MILWAUKEE, WI 53226
Milwaukee County (414) 266-3360
SARAH MARIE RUMLER DO
Pediatrics (Pediatric Hematology-Oncology)
9000 W WISCONSIN AVE
MILWAUKEE, WI 53226
Milwaukee County (414) 955-4170
ALISON COREN
Pediatrics (Pediatric Endocrinology)
9000 W WISCONSIN AVE
MILWAUKEE, WI 53226
Milwaukee County (414) 266-6750
BRANDON PALMER M.D.
Pediatrics
9000 W WISCONSIN AVE
MILWAUKEE, WI 53226
Milwaukee County (414) 337-7050
AIDAN JAMES REID DO
Pediatrics
9000 W WISCONSIN AVE
MILWAUKEE, WI 53226
Milwaukee County (414) 266-6800
KYNDAL LYN HETTICH RD, CSP, CD
Dietitian, Registered
9000 W WISCONSIN AVE
MILWAUKEE, WI 53226
Milwaukee County (414) 266-5938
CARISA MARIE DIMATTINA LCSW
Social Worker (Clinical)
9000 W WISCONSIN AVE
MILWAUKEE, WI 53226
Milwaukee County (414) 581-4004
BREYA LOGAN WHITEFIELD PHD
Psychologist (Clinical)
9000 W WISCONSIN AVE
MILWAUKEE, WI 53226
Milwaukee County (414) 266-2000

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Robert Montgomery's NPI number?

The NPI number for Robert Montgomery is 1649222381. It was assigned to this individual provider in the NPPES registry on May 17, 2006.

Where is Robert Montgomery located?

Robert Montgomery practices at 9000 W Wisconsin Ave Children's Hospital Of Wisconsin, Milwaukee, WI 53226. The listed phone number is (414) 805-3666.

What is Robert Montgomery's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Hematology-Oncology, with taxonomy code 2080P0207X.

Is Robert Montgomery enrolled in Medicare?

Yes. Robert Montgomery is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Robert Montgomery's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Robert Montgomery reassigns Medicare benefits to The Medical College Of Wisconsin, Inc. (Milwaukee, WI). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Robert Montgomery's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Robert Montgomery was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.