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MICHELLE MARSZALEK
NPI 1598575508
Nurse Practitioner - Psychiatric/Mental Health in Thousand Oaks, CA

Active since January 10, 2025PECOS EnrolledAccepts Medicare Assignment
3646 ZENITH AVE, THOUSAND OAKS, CA 91360(630) 890-6530 Get Directions Write a Review

NPPES record last updated: January 10, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Michelle Marszalek NPPES

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

MICHELLE MARSZALEK (NPI 1598575508) is an individual psychiatric/mental health provider in Thousand Oaks, California, licensed in California (95030194) and active in the NPI registry since January 2025. She is enrolled in Medicare PECOS and is a graduate of Other (2024).

NPPES Registry Identity

NPI1598575508
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameMICHELLE MARSZALEK
Location Address3646 ZENITH AVEThousand Oaks, CA 91360-6261
Mailing Address3646 Zenith AveThousand Oaks, CA 91360-6261 · (630) 890-6530
Phone(630) 890-6530
Sole ProprietorYes
Medical School CMSOtherGraduated 2024
Enumeration DateJanuary 10, 2025
NPPES CertifiedJanuary 10, 2025
✔ NPI 1598575508 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in CA · 95030194
3646 ZENITH AVE, Thousand Oaks, CA 91360
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Providence Health Plan.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

Michelle Marszalek 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 ID143759654
PECOS Enrollment IDI20250129001371
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91360 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
$95.28 typical visit price
range $62.32 – $185.36
Typical copayment $23.82 (range $15.58 – $46.34)
Most-billed visit code 99203
Established Patient
$108.74 typical visit price
range $20.68 – $151.85
Typical copayment $27.18 (range $5.17 – $37.96)
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.

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 Michelle Marszalek's NPI number?

The NPI number for Michelle Marszalek is 1598575508. It was assigned to this individual provider in the NPPES registry on January 10, 2025.

Where is Michelle Marszalek located?

Michelle Marszalek practices at 3646 Zenith Ave, Thousand Oaks, CA 91360. The listed phone number is (630) 890-6530.

What is Michelle Marszalek's specialty?

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

Is Michelle Marszalek enrolled in Medicare?

Yes. Michelle Marszalek 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 Michelle Marszalek accept?

Health plans from Providence Health Plan list Michelle Marszalek 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 Michelle Marszalek was last updated on January 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.