DR. ASHLEY ANNE HOLLO MD, MPH
NPI 1154062347
Hospitalist in Milwaukee, WI
About Dr. Ashley Anne Hollo Md, Mph NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ASHLEY ANNE HOLLO MD, MPH (NPI 1154062347) is an individual hospitalist provider in Milwaukee, Wisconsin, licensed in Wisconsin (85224-020) and active in the NPI registry since April 2022. She is enrolled in Medicare PECOS and is a graduate of Medical College Of Wisconsin (2022).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Ashley Anne Hollo Md, Mph is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Ashley Hollo reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Milwaukee, WI 53226
- Reassigned Medicare billing, Wisconsin enrollment
- 3,983 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53226 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 53226
MILWAUKEE, WI 53226
MILWAUKEE, WI 53226
MILWAUKEE, WI 53226
MILWAUKEE, WI 53226
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 Ashley Hollo's NPI number?
The NPI number for Ashley Hollo is 1154062347. It was assigned to this individual provider in the NPPES registry on April 5, 2022.
Where is Ashley Hollo located?
Ashley Hollo practices at 9200 W Wisconsin Ave, Milwaukee, WI 53226. The listed phone number is (414) 805-3000.
What is Ashley Hollo's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Ashley Hollo enrolled in Medicare?
Yes. Ashley Hollo is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Ashley Hollo's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ashley Hollo 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 Ashley Hollo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ashley Hollo accept?
Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare), HealthPartners and Network Health list Ashley Hollo as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Ashley Hollo was last updated on February 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months 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.