HILARY MARGARET OSTERMAN MOT, OTR/L
NPI 1528560174
Occupational Therapist in Howell, MI
About Hilary Margaret Osterman Mot, Otr/l NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HILARY MARGARET OSTERMAN MOT, OTR/L (NPI 1528560174) is an individual occupational therapist in Howell, Michigan, licensed in Michigan (5201009443) and active in the NPI registry since February 2018. She is a graduate of Other (2015).
NPPES Registry Identity
Specialties & Licenses
Other Names 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 and accepts Medicare assignment
Hilary Margaret Osterman Mot, Otr/l is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Hilary Osterman reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Howell, MI 48843
- Reassigned Medicare billing, Michigan enrollment
- 33 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.
Other Providers at the Same Location NPPES 13
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Hilary Osterman's NPI number?
The NPI number for Hilary Osterman is 1528560174. It was assigned to this individual provider in the NPPES registry on February 28, 2018. The provider is also known as Hilary Diacono.
Where is Hilary Osterman located?
Hilary Osterman practices at 1030 W Highland Rd, Howell, MI 48843. The listed phone number is (517) 546-9000.
What is Hilary Osterman's specialty?
The primary specialty registered for this NPI is Occupational Therapist with taxonomy code 225X00000X.
Is Hilary Osterman enrolled in Medicare?
Yes. Hilary Osterman is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Hilary Osterman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Hilary Osterman reassigns Medicare benefits to Level Eleven Howell (Howell, MI). 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 Hilary Osterman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Hilary Osterman accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company list Hilary Osterman 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 Hilary Osterman was last updated on May 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.