PETER JOHN KOSHAR JR. LMSW
NPI 1912396516
Counselor - Mental Health in Hartford, MI
About Peter John Koshar Jr. Lmsw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
PETER JOHN KOSHAR JR. LMSW (NPI 1912396516) is an individual mental health provider in Hartford, Michigan and active in the NPI registry since January 2015. He is enrolled in Medicare PECOS, maintains a secondary practice location in Cassopolis, and is a graduate of Western Michigan Un Homer Stryker School Of Med (2016).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 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
Peter John Koshar Jr. Lmsw 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 Peter Koshar reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Paw Paw, MI 49079
- Reassigned Medicare billing, Michigan enrollment
- 34 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 16
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
HARTFORD, MI 49057
HARTFORD, MI 49057
HARTFORD, MI 49057
HARTFORD, MI 49057
HARTFORD, MI 49057
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 Peter Koshar's NPI number?
The NPI number for Peter Koshar is 1912396516. It was assigned to this individual provider in the NPPES registry on January 20, 2015.
Where is Peter Koshar located?
Peter Koshar practices at 57418 County Road 681, Hartford, MI 49057. The listed phone number is (269) 657-5574.
What is Peter Koshar's specialty?
The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.
Is Peter Koshar enrolled in Medicare?
Yes. Peter Koshar 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 Peter Koshar's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Peter Koshar reassigns Medicare benefits to Van Buren Community Mental Health Authority (Paw Paw, 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 Peter Koshar's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Peter Koshar accept?
Health plans from Oscar Insurance Company, Priority Health and UnitedHealthcare list Peter Koshar 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 Peter Koshar was last updated on October 16, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Peter John Koshar Jr., LMSW · NPI 1912396516
Mental Health provider in Hartford, Michigan. Individual provider, active in the CMS NPPES registry since January 20, 2015.
## Identity
- **NPI:** 1912396516 (Entity type: Individual)
- **Enumerated:** January 20, 2015
- **Primary specialty:** Counselor - Mental Health · taxonomy 101YM0800X
- **Sole proprietor:** Yes
## Practice location
- **Address:** 57418 COUNTY ROAD 681, Hartford, MI 49057-9421
- **Phone:** (269) 657-5574
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Van Buren Community Mental Health Authority (NPI 1003878554, Paw Paw, MI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Western Michigan Un Homer Stryker School Of Med, class of 2016
## Record status
- **NPPES last updated:** October 16, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1912396516) · Data from the CMS NPPES public registry.