JACK LOUIS KACZMARCZYK JR. PMHNP-BC, FNP-BC
NPI 1427752401
Nurse Practitioner - Psychiatric/Mental Health in Muskegon, MI

Q: What is Jack Kaczmarczyk's NPI number?

The NPI number for Jack Kaczmarczyk is 1427752401. It was assigned to this individual provider in the NPPES registry on March 27, 2023.

Q: What is Jack Kaczmarczyk's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Q: When was this NPI record last updated?

The NPPES record for Jack Kaczmarczyk was last updated on January 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months 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.

Active since March 27, 2023PECOS EnrolledAccepts Medicare Assignment

221 W WEBSTER AVE STE 303, MUSKEGON, MI 49440(231) 335-1630(231) 259-4395 Get Directions Write a Review

NPPES record last updated: January 15, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jan 15, 2026, Nov 24, 2025, Oct 17, 2023 and 1 more (4 updates tracked since 2023).

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About Jack Louis Kaczmarczyk Jr. Pmhnp-bc, Fnp-bc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JACK LOUIS KACZMARCZYK JR. PMHNP-BC, FNP-BC (NPI 1427752401) is an individual psychiatric/mental health provider in Muskegon, Michigan, licensed in Michigan (4704310792) and active in the NPI registry since March 2023. He is enrolled in Medicare PECOS and is a graduate of Other (2023).

NPPES Registry Identity

NPI1427752401

Entity TypeIndividualMale

Primary Taxonomy363LP0808X

Provider Legal NameJACK LOUIS KACZMARCZYK JR.Credential: PMHNP-BC, FNP-BC

Location Address221 W WEBSTER AVE STE 303Muskegon, MI 49440-1294

Mailing Address221 W Webster Ave Ste 303Muskegon, MI 49440-1294 · (231) 335-1630 · Fax (231) 259-4395

Phone(231) 335-1630

Fax(231) 259-4395

Sole ProprietorNo

Medical School CMSOtherGraduated 2023

Enumeration DateMarch 27, 2023

Last NPPES UpdateJanuary 15, 20264 updates tracked since enumeration

NPPES CertifiedJanuary 15, 2026

✔ NPI 1427752401 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LP0808X

License✔ Licensed in MI · 4704310792

Also ListedRegistered NurseTaxonomy 163W00000X · License 4704310792 (MI)

Also ListedNurse Practitioner · FamilyTaxonomy 363LF0000X · License 4704310792 (MI)

221 W WEBSTER AVE STE 303, Muskegon, MI 49440

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Jack Louis Kaczmarczyk Jr. Pmhnp-bc, Fnp-bc 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.

PECOS PAC ID1759736960

PECOS Enrollment IDI20231009000437

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 3

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.

Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309

A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.

92 services53 patients

Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more 99308

A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.

63 services43 patients

Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 99310

A follow-up nursing facility visit is a routine check-up that typically lasts about 35 minutes. During this visit, your health status is evaluated, any changes in your condition are noted, and necessary adjustments to your care plan are made. It's an essential part of maintaining your health.

33 services22 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 49440 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$84.74 typical visit price

range $54.34 – $166.68

Typical copayment $21.18 (range $13.58 – $41.67)

Most-billed visit code 99203

Established Patient

$96.44 typical visit price

range $17.09 – $135.40

Typical copayment $24.11 (range $4.27 – $33.85)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ONLY HUMAN MENTAL HEALTH LLC

Nurse Practitioner (Psychiatric/Mental Health)

221 W WEBSTER AVE STE 303
MUSKEGON, MI 49440

Muskegon County (231) 335-1630

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 Jack Kaczmarczyk's NPI number?

The NPI number for Jack Kaczmarczyk is 1427752401. It was assigned to this individual provider in the NPPES registry on March 27, 2023.

Where is Jack Kaczmarczyk located?

Jack Kaczmarczyk practices at 221 W Webster Ave Ste 303, Muskegon, MI 49440. The listed phone number is (231) 335-1630.

What is Jack Kaczmarczyk's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Jack Kaczmarczyk enrolled in Medicare?

Yes. Jack Kaczmarczyk 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.

What insurance does Jack Kaczmarczyk 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 4 other insurers list Jack Kaczmarczyk 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 Jack Kaczmarczyk was last updated on January 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months 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.