Holly Janette Martinchek
- Medicare patients, 2024
- 14
- Part D claims, 2024
- 61
- Hospital affiliations
- 2
- Industry payments
- $95
- Medical groups
- 2
- Practice address
- 416 Connable Ave, Petoskey, MI 49770
- Practice phone
- Call (231) 487-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Holly Martinchek's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Holly Janette Martinchek is an acute care nurse practitioner in Petoskey, Michigan
Holly Martinchek practices at McLaren Northern Michigan in Petoskey, Michigan, part of McLaren Health Care.
Holly Martinchek's NPI, 1093585820, was assigned on January 3, 2024. Holly Martinchek holds Michigan license 4704278280.
- NPI
- 1093585820NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6507204096
- NPI enumeration date
- January 3, 2024
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (231) 487-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 29
- Medical school graduation
- 2023
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Holly Janette Martinchek practices at McLaren Northern Michigan in Petoskey, Michigan
Holly Martinchek's primary practice is McLaren Northern Michigan, at 416 Connable Ave, Petoskey, MI 49770 in Emmet County. The practice phone is (231) 487-4000.
- McLaren Northern Michigan416 Connable Ave, Petoskey, MI 49770 · Emmet CountyPhone(231) 487-4000
Source: Dmand AI Affiliation Data
Holly Janette Martinchek is affiliated with 2 sites of care and 2 medical groups
Holly Martinchek's primary practice is McLaren Northern Michigan in Petoskey, Michigan, part of McLaren Health Care. Holly Martinchek is also affiliated with UP Health System - Portage. The medical group on file is McLaren Central Michigan. Dmand AI also links Holly Martinchek to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Holly Janette Martinchek's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Holly Martinchek practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| McLaren Northern Michigan | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across McLaren Health Care and 6.2K+ hospitals, with verified contacts in the same login.
Holly Janette Martinchek is one of 712 acute care nurse practitioners in Michigan
Acute care is Holly Martinchek's primary specialty in the NPI Registry, under taxonomy code 363LA2100X. Holly Martinchek is licensed in Michigan.
Specialties and state licenses
- Acute care nurse practitioner, MichiganPrimary
Acute care nurse practitioners near Holly Martinchek
Counts of acute care nurse practitioners with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Holly Janette Martinchek treated 14 Medicare patients in 2024, average age 70
CMS counts 14 Medicare patients who saw Holly Martinchek in 2024. Their average risk score is 1.87, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Holly Martinchek's median patient age at 69, with 47% women.
Holly Martinchek's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women47%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Holly Janette Martinchek wrote 61 Medicare Part D claims in 2024
In 2024, Holly Martinchek wrote 61 Medicare Part D claims for 44 patients. 98% of them were for generic drugs.
Holly Martinchek's Part D claims by kind of drug, 2024
- Generic60 claims98%
- Brand-name and other1 claims2%
Drug classes CMS tracks in Holly Martinchek's Part D claims, 2024
- Antibiotics33%20 of 61 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Holly Janette Martinchek takes part in Medicare
Holly Martinchek accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Holly Janette Martinchek received $95 in industry payments in 2025
CMS Open Payments shows 3 general payments to Holly Martinchek from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Medtronic, Inc. paid the most, $95.
Companies that paid Holly Martinchek the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Holly Janette Martinchek's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Holly Janette Martinchek
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Holly Janette Martinchek's NPI number?
Holly Janette Martinchek's NPI number is 1093585820. It was assigned on January 3, 2024, and it is active in the NPI Registry.
What does Holly Janette Martinchek specialize in?
Holly Janette Martinchek is an acute care nurse practitioner in Petoskey, Michigan. The primary specialty in the NPI Registry is Acute Care Nurse Practitioner (taxonomy code 363LA2100X).
Where does Holly Janette Martinchek practice?
Holly Martinchek practices at 416 Connable Ave, Petoskey, MI 49770. Holly Martinchek's primary practice is McLaren Northern Michigan in Petoskey, Michigan, part of McLaren Health Care. Dmand AI also links Holly Martinchek to 1 medical group.
What is Holly Janette Martinchek's office phone number?
The practice phone on file for Holly Martinchek is (231) 487-4000.
What is Holly Janette Martinchek's medical license number?
Holly Martinchek holds Michigan license 4704278280.
Which hospitals is Holly Janette Martinchek affiliated with?
Holly Martinchek practices at McLaren Northern Michigan in Petoskey, Michigan. Holly Martinchek is also affiliated with UP Health System - Portage.
What medical group is Holly Janette Martinchek part of?
Holly Martinchek is linked to McLaren Central Michigan. Dmand AI links Holly Martinchek to 1 more medical group.
Does Holly Janette Martinchek accept Medicare?
Yes. CMS lists Holly Martinchek as accepting Medicare assignment.
How many Medicare patients does Holly Janette Martinchek see?
CMS counts 14 Medicare patients who saw Holly Martinchek in 2024, with an average age of 70.
Has Holly Janette Martinchek received payments from drug or device companies?
CMS Open Payments shows $95 in general payments to Holly Martinchek from 1 company from 2025 to 2025. The largest total came from Medtronic, Inc.
How long has Holly Janette Martinchek been practicing?
Holly Martinchek graduated from medical school in 2023, 3 years ago.
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