MUHAMMAD ABDULLAH OSTO MD
NPI 1457095622
Dermatology in Fond Du Lac, WI

Active since April 25, 2022PECOS Enrolled
145 N MAIN ST, FOND DU LAC, WI 54935(920) 926-8722 Get Directions Write a Review

NPPES record last updated: June 29, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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

NPI1457095622
Entity TypeIndividualMale
Primary Taxonomy207N00000X
Provider Legal NameMUHAMMAD ABDULLAH OSTOCredential: MD
Location Address145 N MAIN STFond Du Lac, WI 54935-3423
Mailing Address145 N Main StFond Du Lac, WI 54935-3423 · (920) 926-8722
Sole ProprietorNo
Enumeration DateApril 25, 2022
Last NPPES UpdateJune 29, 2026
NPPES CertifiedJune 29, 2026
✔ NPI 1457095622 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDermatologyAllopathic & Osteopathic Physicians
Taxonomy Code207N00000X
License✔ Licensed in WI · 8700220
Definition
A dermatologist is trained to diagnose and treat pediatric and adult patients with benign and malignant disorders of the skin, mouth, external genitalia, hair and nails, as well as a number of sexually transmitted diseases. The dermatologist has had additional training and experience in the diagnosis and treatment of skin cancers, melanomas, moles and other tumors of the skin, the management of contact dermatitis and other allergic and nonallergic skin disorders, and in the recognition of the skin manifestations of systemic (including internal malignancy) and infectious diseases. Dermatologists have special training in dermatopathology and in the surgical techniques used in dermatology. They also have expertise in the management of cosmetic disorders of the skin such as hair loss and scars and the skin changes associated with aging.
145 N MAIN ST, Fond Du Lac, WI 54935

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).

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 Muhammad Osto reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Family Medicine
420 E DIVISION ST
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.

New Patient
$82.92 typical visit price
range $53.90 – $163.24
Typical copayment $20.73 (range $13.47 – $40.81)
Most-billed visit code 99203
Established Patient
$67.37 typical visit price
range $17.40 – $133.76
Typical copayment $16.84 (range $4.35 – $33.44)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Emergency Medicine
145 N MAIN ST
FOND DU LAC, WI 54935
Pharmacy (Community/Retail Pharmacy)
145 N MAIN ST
FOND DU LAC, WI 54935
Family Medicine
145 N MAIN ST
FOND DU LAC, WI 54935
Internal Medicine
145 N MAIN ST
FOND DU LAC, WI 54935
Nurse Practitioner (Family)
145 N MAIN ST
FOND DU LAC, WI 54935
Family Medicine
145 N MAIN ST
FOND DU LAC, WI 54935
Pharmacist
145 N MAIN ST
FOND DU LAC, WI 54935
Nurse Practitioner (Family)
145 N MAIN ST
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.