Doctor profile · Federal record

Dr. Michal Tomaszewicz, PMHNP

Psychiatric/Mental Health Nurse Practitioner (CMS: Nurse Practitioner) · Wilmington, DE

  • NPI 1326496514
  • Accepts Medicare
  • 11 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
410 Foulk RD, Suite 102
Wilmington, DE 198033820
(302) 478-6199
fax (302) 354-7162
Mailing address
748 Locust Grove RD
West Chester, PA 193826928

Credentials & registration

NPPES · NUCC
NPI registered
May 2016 — 10 yrs on file
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
363LP0808X — NUCC code
State license (1)
Delaware #L8-0000143

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1326496514. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
421
Distinct HCPCS
3
Medicare allowed
$27,157
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 197 68 $75
96127 Assessment of emotional or behavioral problems 115 52 $5
99214 Established patient office or other outpatient visit, 30-39 minutes 109 55 $108

In context: peer comparison

Among 11 peers in Wilmington Psychiatric/Mental Health Nurse Practitioner, average services per provider: 183. This provider delivers 2.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$502
Transactions
22
Manufacturers
9
Payer (manufacturer) Industry Txns Amount
Iti, INC. (D/B/A Intra-Cellular Therapies, INC.) 7 $207.30
Otsuka America Pharmaceutical, INC. 4 $84.19
Idorsia Pharmaceuticals US INC 3 $44.76
Alkermes, INC. 2 $43.15
Bausch Health US, LLC 2 $36.84
Axsome Therapeutics, INC. 1 $33.39
Noven Therapeutics, LLC 1 $19.44
Teva Pharmaceuticals USA, INC. 1 $17.61
Tris Pharma INC 1 $15.23

By nature of payment

Food and Beverage
$485
Education
$17

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,589
Patients
239
Total drug cost
$33,504
Drug Type Claims Patients Total cost
Clonazepam Generic 206 28 $1,487
Alprazolam Generic 189 17 $1,985
Trazodone Hcl Generic 161 32 $2,801
Quetiapine Fumarate Generic 134 26 $3,543
Bupropion Xl (Bupropion Hcl) Brand 127 27 $3,781
Venlafaxine Hcl ER (Venlafaxine Hcl) Brand 110 15 $2,049
Gabapentin Generic 105 20 $1,954
Lamotrigine Generic 102 21 $1,633
Hydroxyzine Hcl Generic 98 21 $1,704
Sertraline Hcl Generic 94 21 $1,390

Frequently asked questions

Auto-generated from federal data
What is Dr. Michal Tomaszewicz's medical specialty?
Dr. Michal Tomaszewicz practices Psychiatric/Mental Health Nurse Practitioner in Wilmington, DE.
Where does Dr. Michal Tomaszewicz practice?
Dr. Michal Tomaszewicz practices at 410 Foulk RD, Wilmington, DE 198033820. Office phone: 3024786199.
What is Dr. Michal Tomaszewicz's NPI?
Dr. Michal Tomaszewicz's National Provider Identifier (NPI) is 1326496514, issued by NPPES.
Does Dr. Michal Tomaszewicz accept Medicare assignment?
Yes. Dr. Michal Tomaszewicz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michal Tomaszewicz commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Assessment of emotional or behavioral problems (HCPCS 96127); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.