ARUN KUMAR MD
NPI 1306363940
Hospitalist in Milwaukee, WI
About Arun Kumar Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ARUN KUMAR MD (NPI 1306363940) is an individual hospitalist provider in Milwaukee, Wisconsin, licensed in Wisconsin (73333) and active in the NPI registry since August 2017. He is enrolled in Medicare PECOS, is affiliated with Morton Hospital, and maintains a secondary practice location in Brockton.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Arun Kumar Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Arun Kumar reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Milwaukee, WI 53211
- Reassigned Medicare billing, Wisconsin enrollment
- Medicare enrollment name: Columbia St Marys Hospital Milwaukee Inc
- 856 clinicians in this Medicare group
Watertown, MA 02472
- Reassigned Medicare billing, Massachusetts enrollment
- 1,103 clinicians in this Medicare group
Taunton, MA 02780
- Reassigned Medicare billing, Massachusetts enrollment
- 547 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 5
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Morton Hospital
Acute Care Hospitals · Taunton, MARhode Island Hospital
Acute Care Hospitals · Providence, RIThe Miriam Hospital
Acute Care Hospitals · Providence, RIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53211 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
MILWAUKEE, WI 53211
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 Arun Kumar's NPI number?
The NPI number for Arun Kumar is 1306363940. It was assigned to this individual provider in the NPPES registry on August 24, 2017.
Where is Arun Kumar located?
Arun Kumar practices at 2323 N Lake Dr, Milwaukee, WI 53211. The listed phone number is (414) 585-4932.
What is Arun Kumar's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Arun Kumar enrolled in Medicare?
Yes. Arun Kumar is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Arun Kumar's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Arun Kumar reassigns Medicare benefits to 3 organizations: Columbia St. Mary's Hospital Milwaukee Inc (Milwaukee, WI), Steward Medical Group, Inc (Watertown, MA) and Lifespan Physician Group Of Massachusetts Inc (Taunton, MA). Each 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 Arun Kumar's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Arun Kumar affiliated with any hospitals?
According to CMS data, Arun Kumar is affiliated with Morton Hospital, Rhode Island Hospital and The Miriam Hospital.
When was this NPI record last updated?
The NPPES record for Arun Kumar was last updated on December 22, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.