MS. CAROLYN S KOPPENOL M.D.
NPI 1003964255
Psychiatry & Neurology - Psychiatry in Hillman, MI
About Ms. Carolyn S Koppenol M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. CAROLYN S KOPPENOL M.D. (NPI 1003964255) is an individual psychiatry provider in Hillman, Michigan, licensed in Michigan (4301046030) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS and is a graduate of Washington University School Of Medicine (1978).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
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
Ms. Carolyn S Koppenol M.d. 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 Carolyn Koppenol reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Grand Rapids, MI 49548
- Reassigned Medicare billing, Michigan enrollment
- 147 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.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 49746 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 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
HILLMAN, MI 49746
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 Carolyn Koppenol's NPI number?
The NPI number for Carolyn Koppenol is 1003964255. It was assigned to this individual provider in the NPPES registry on January 6, 2007.
Where is Carolyn Koppenol located?
Carolyn Koppenol practices at 15774 State Street, Hillman, MI 49746. The listed phone number is (989) 742-4583.
What is Carolyn Koppenol's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Carolyn Koppenol enrolled in Medicare?
Yes. Carolyn Koppenol 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 Carolyn Koppenol's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Carolyn Koppenol reassigns Medicare benefits to Pine Rest Christian Mental Health Services (Grand Rapids, 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 Carolyn Koppenol's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Carolyn Koppenol 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 and 1 other insurer list Carolyn Koppenol 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 Carolyn Koppenol was last updated on October 9, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Ms. Carolyn S Koppenol, M.D. · NPI 1003964255
Psychiatry physician in Hillman, Michigan. Individual provider, active in the CMS NPPES registry since January 6, 2007.
## Identity
- **NPI:** 1003964255 (Entity type: Individual)
- **Enumerated:** January 6, 2007
- **Primary specialty:** Psychiatry & Neurology - Psychiatry · taxonomy 2084P0800X
- **State license:** 4301046030 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 15774 STATE STREET, Hillman, MI 49746-0427
- **Phone:** (989) 742-4583 · **Fax:** (989) 742-2183
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Pine Rest Christian Mental Health Services (NPI 1700894623, Grand Rapids, MI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Washington University School Of Medicine, class of 1978
## Record status
- **NPPES last updated:** October 9, 2012
- **Other identifiers:** Medicare UPIN B43576; Medicare ID-Type Unspecified N36070003; Other CK046030 (MI); and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1003964255) · Data from the CMS NPPES public registry.