MR. MICHAL JAN TOMASZEWICZ PMHNP
NPI 1326496514
Nurse Practitioner - Psychiatric/Mental Health in Wilmington, DE
About Mr. Michal Jan Tomaszewicz Pmhnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. MICHAL JAN TOMASZEWICZ PMHNP (NPI 1326496514) is an individual psychiatric/mental health provider in Wilmington, Delaware, licensed in Delaware (L8-0000143) and active in the NPI registry since May 2016. He is enrolled in Medicare PECOS and is a graduate of Other (2015).
NPPES Registry Identity
Specialties & Licenses
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
Mr. Michal Jan Tomaszewicz Pmhnp 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 Reassignment
Medicare enrollment records show Michal Tomaszewicz reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Wilmington, DE 19803
- Reassigned Medicare billing, Delaware enrollment
- 27 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.
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 19803 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.
WILMINGTON, DE 19803
WILMINGTON, DE 19803
WILMINGTON, DE 19803
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 Michal Tomaszewicz's NPI number?
The NPI number for Michal Tomaszewicz is 1326496514. It was assigned to this individual provider in the NPPES registry on May 27, 2016.
Where is Michal Tomaszewicz located?
Michal Tomaszewicz practices at 410 Foulk Rd Suite 102, Wilmington, DE 19803. The listed phone number is (302) 478-6199.
What is Michal Tomaszewicz's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is Michal Tomaszewicz enrolled in Medicare?
Yes. Michal Tomaszewicz 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 organization bills Medicare for Michal Tomaszewicz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michal Tomaszewicz reassigns Medicare benefits to Serene Minds, LLC (Wilmington, DE). The 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 Michal Tomaszewicz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Michal Tomaszewicz accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and AmeriHealth Caritas Next and 1 other insurer list Michal Tomaszewicz 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 Michal Tomaszewicz was last updated on May 27, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Mr. Michal Jan Tomaszewicz, PMHNP · NPI 1326496514
Psychiatric/Mental Health physician in Wilmington, Delaware. Individual provider, active in the CMS NPPES registry since May 27, 2016.
## Identity
- **NPI:** 1326496514 (Entity type: Individual)
- **Enumerated:** May 27, 2016
- **Primary specialty:** Nurse Practitioner - Psychiatric/Mental Health · taxonomy 363LP0808X
- **State license:** L8-0000143 (Delaware)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 410 FOULK RD, SUITE 102, Wilmington, DE 19803-3820
- **Phone:** (302) 478-6199 · **Fax:** (302) 354-7162
## 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:** Serene Minds, LLC (NPI 1164887683, Wilmington, DE), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** May 27, 2016
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Source: [NPI Profile](https://npiprofile.com/npi/1326496514) · Data from the CMS NPPES public registry.