MUHAMMAD ABDULLAH OSTO MD
NPI 1457095622
Dermatology in Fond Du Lac, WI
About Muhammad Abdullah Osto Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MUHAMMAD ABDULLAH OSTO MD (NPI 1457095622) is an individual dermatology provider in Fond Du Lac, Wisconsin, licensed in Wisconsin (8700220) and active in the NPI registry since April 2022. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
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)
Muhammad Abdullah Osto Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Muhammad Osto reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Fond Du Lac, WI 54935
- Reassigned Medicare billing, Wisconsin enrollment
- 606 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 54935 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.
FOND DU LAC, WI 54935
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 Muhammad Osto's NPI number?
The NPI number for Muhammad Osto is 1457095622. It was assigned to this individual provider in the NPPES registry on April 25, 2022.
Where is Muhammad Osto located?
Muhammad Osto practices at 145 N Main St, Fond Du Lac, WI 54935. The listed phone number is (920) 926-8722.
What is Muhammad Osto's specialty?
The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.
Is Muhammad Osto enrolled in Medicare?
Yes. Muhammad Osto is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Muhammad Osto's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Muhammad Osto reassigns Medicare benefits to Agnesian Healthcare Inc (Fond Du Lac, 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 Muhammad Osto's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Muhammad Osto accept?
Health plans from Anthem Blue Cross and Blue Shield, Dean Health Plan, Network Health and Quartz list Muhammad Osto 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 Muhammad Osto was last updated on June 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.