HOLLY JANETTE MARTINCHEK
NPI 1093585820
Nurse Practitioner - Acute Care in Hancock, MI
About Holly Janette Martinchek NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HOLLY JANETTE MARTINCHEK (NPI 1093585820) is an individual acute care provider in Hancock, Michigan, licensed in Michigan (4704278280) and active in the NPI registry since January 2024. She is enrolled in Medicare PECOS, is affiliated with Mclaren Northern Michigan, and is a graduate of Other (2023).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Group Practice 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
Holly Janette Martinchek 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 Reassignments
2Medicare enrollment records show Holly Martinchek reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Hancock, MI 49930
- Reassigned Medicare billing, Michigan enrollment
- 130 clinicians in this Medicare group
Mt Pleasant, MI 48858
- Reassigned Medicare billing, Michigan enrollment
- 321 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mclaren Northern Michigan
Acute Care Hospitals · Petoskey, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 49930 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.
HANCOCK, MI 49930
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 Holly Martinchek's NPI number?
The NPI number for Holly Martinchek is 1093585820. It was assigned to this individual provider in the NPPES registry on January 3, 2024. The provider is also known as Holly Janette Watkins.
Where is Holly Martinchek located?
Holly Martinchek practices at 500 Campus Dr, Hancock, MI 49930. The listed phone number is (906) 483-1000.
What is Holly Martinchek's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.
Is Holly Martinchek enrolled in Medicare?
Yes. Holly Martinchek 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 organizations bill Medicare for Holly Martinchek's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Holly Martinchek reassigns Medicare benefits to 2 organizations: Portage Physician Practices Inc (Hancock, MI) and Mclaren Central Michigan (Mt Pleasant, MI). Each 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 Holly Martinchek's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Holly Martinchek 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 2 other insurers list Holly Martinchek 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.
Is Holly Martinchek affiliated with any hospitals?
According to CMS data, Holly Martinchek is affiliated with Mclaren Northern Michigan.
When was this NPI record last updated?
The NPPES record for Holly Martinchek was last updated on April 26, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Holly Janette Martinchek · NPI 1093585820
Acute Care physician in Hancock, Michigan. Individual provider, active in the CMS NPPES registry since January 3, 2024.
## Identity
- **NPI:** 1093585820 (Entity type: Individual)
- **Enumerated:** January 3, 2024
- **Primary specialty:** Nurse Practitioner - Acute Care · taxonomy 363LA2100X
- **State license:** 4704278280 (Michigan)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 500 CAMPUS DR, Hancock, MI 49930-1452
- **Phone:** (906) 483-1000
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Portage Physician Practices Inc (NPI 1225461684, Hancock, MI); Mclaren Central Michigan (NPI 1245266063, Mt Pleasant, MI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2023
## Record status
- **NPPES last updated:** April 26, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1093585820) · Data from the CMS NPPES public registry.