Jack Louis Kaczmarczyk, PMHNP-BC, FNP-BC
Psychiatric/Mental Health Nurse Practitioner · Muskegon, MI
Jack Louis Kaczmarczyk, PMHNP-BC, FNP-BC is a psychiatric/mental health nurse practitioner with a practice address in Muskegon, Michigan, and NPI 1427752401, issued on Mar 27, 2023. Check the license (Michigan 4704310792, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Jack Louis Kaczmarczyk
- Credential
- PMHNP-BC, FNP-BC
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License number
- 4704310792 MI
Self-reported in NPPES; status is on the state search - Practice location
- 221 W Webster Ave Ste 303, Muskegon, MI 49440
- Phone
- (231) 335-1630
- Enumerated
- Mar 27, 2023
- Record last updated
- Jan 15, 2026
- Fax
- (231) 259-4395
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health nurse practitioner records → All 931 in Michigan → Look up another NPI →
Verify Jack Louis Kaczmarczyk in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license 4704310792Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024
162 Medicare Part D claims for 16 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Sertraline Hcl54 claims
- Donepezil Hcl23 claims
- Memantine Hcl18 claims
- Escitalopram Oxalate16 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $753.69
43 payments; by number, the most common kind was food and beverage; the largest payer was Iti, Inc. (d/b/a Intra-Cellular Therapies, Inc.). The 23,362 providers of this specialty with any payment received $1,027.77 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Jack Louis Kaczmarczyk among 931 psychiatric/mental health nurse practitioner records in Michigan
Jack Louis Kaczmarczyk, PMHNP-BC, FNP-BC is one of 931 psychiatric/mental health nurse practitioner records with a practice address in Michigan. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 64% of them.
- NPI issued2023 · 64% of these records are older, 28% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileNo · 61% of these records are
- Record last updated2026 · 19% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatric/Mental Health Nurse Practitioner providers in Michigan
There are 931 psychiatric/mental health nurse practitioner records in Michigan.
All 931 in Michigan → Every provider in Muskegon → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Bethany Brown, R.N., C.N.M.Muskegon, MI 494421548466055
- Tatiana Michura, PMHNP-BCMuskegon, MI 494421649755984
- Michelle Reed, PMHNPMuskegon, MI 494421952898686
- Jade AndersonNorton Shores, MI 494441396673422
- Amy Boshoven, NPMarne, MI 494351336135557
- Nina Deane, PMHNPMarne, MI 494351932814787
- Lee DienerMarne, MI 494351790444917
- Sheryl Funston, NP-BCMarne, MI 494351194201921
Common questions
What is Jack Louis Kaczmarczyk, PMHNP-BC, FNP-BC's NPI number?
Jack Louis Kaczmarczyk, PMHNP-BC, FNP-BC's National Provider Identifier (NPI) is 1427752401, issued on Mar 27, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Jack Louis Kaczmarczyk, PMHNP-BC, FNP-BC located?
The NPPES record lists a practice address at 221 W Webster Ave Ste 303, Muskegon, MI, 49440. Phone: (231) 335-1630. Providers update this record themselves, so call before visiting.
How can I verify Jack Louis Kaczmarczyk, PMHNP-BC, FNP-BC's license?
NPPES lists Michigan license number 4704310792, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.
How much does Jack Louis Kaczmarczyk, PMHNP-BC, FNP-BC prescribe under Medicare Part D?
In 2024, Jack Louis Kaczmarczyk, PMHNP-BC, FNP-BC had 162 Medicare Part D claims for 16 beneficiaries; the average among psychiatric/mental health nurse practitioner prescribers was 906. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.