Doctor profile · Federal record

Dr. Jessica Tomasiewicz, NP

Nurse Practitioner · Adult Health Nurse Practitioner · Elgin, IL

  • NPI 1841516614
  • Accepts Medicare
  • 17 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
745 Fletcher Dr Ste 101-102
Elgin, IL 601234747
(847) 742-0792
fax (847) 742-3585
Mailing address
Po Box 713260
Chicago, IL 606771260

Credentials & registration

NPPES · NUCC
NPI registered
April 2010 — 16 yrs on file
Profile last updated
July 12, 2023
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
363L00000X — NUCC code
State licenses (2)
Illinois #209008119 · Illinois #209.008119
Medicaid
IL #209008119

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1841516614. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
5,969
Distinct HCPCS
10
Medicare allowed
$157,970
HCPCS Description Services Patients Avg allowed
J0897 Injection, denosumab, 1 mg 1,860 17 $23
36415 Insertion of needle into vein for collection of blood sample 427 261 $8
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 336 249 $8
80053 Blood test, comprehensive group of blood chemicals 295 245 $10
84439 Thyroxine (thyroid chemical), free 294 228 $9
84443 Blood test, thyroid stimulating hormone (tsh) 294 228 $16
82607 Cyanocobalamin (vitamin b-12) level 252 230 $15
80061 Blood test, lipids (cholesterol and triglycerides) 249 218 $13
82746 Folic acid level, serum 248 229 $14
83735 Magnesium level 243 222 $7

In context: peer comparison

Among 15 peers in Elgin Nurse Practitioner, average services per provider: 144. This provider delivers 41× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$620
Transactions
29
Manufacturers
13
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 4 $90.59
Amgen INC. 5 $85.66
Boehringer Ingelheim Pharmaceuticals, INC. 3 $76.63
Novo Nordisk INC 3 $72.72
AstraZeneca Pharmaceuticals Lp 3 $55.73
GlaxoSmithKline, LLC. 2 $48.91
Otsuka America Pharmaceutical, INC. 2 $48.49
Janssen Pharmaceuticals, INC 2 $44.48
Edwards Lifesciences Corporation 1 $30.28
Exact Sciences Corporation 1 $24.76
Salix Pharmaceuticals, A Division of Bausch Health US, LLC 1 $14.21
Currax Pharmaceuticals LLC 1 $14.18
Lilly USA, LLC 1 $13.72

By nature of payment

Food and Beverage
$620

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,735
Patients
790
Total drug cost
$38,828
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 415 119 $6,339
Levothyroxine Sodium Generic 332 93 $5,435
Amlodipine Besylate Generic 253 70 $2,790
Lisinopril Generic 208 61 $2,188
Losartan Potassium Generic 207 60 $3,475
Metoprolol Succinate Generic 188 55 $4,175
Metformin Hcl Generic 153 41 $1,347
Alprazolam Generic 150 43 $1,036
Rosuvastatin Calcium Generic 150 54 $3,248
Omeprazole Generic 141 44 $2,278

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Jessica Tomasiewicz's medical specialty?
Dr. Jessica Tomasiewicz practices Nurse Practitioner in Elgin, IL.
Where does Dr. Jessica Tomasiewicz practice?
Dr. Jessica Tomasiewicz practices at 745 Fletcher Dr Ste 101-102, Elgin, IL 601234747. Office phone: 8477420792.
What is Dr. Jessica Tomasiewicz's NPI?
Dr. Jessica Tomasiewicz's National Provider Identifier (NPI) is 1841516614, issued by NPPES.
Does Dr. Jessica Tomasiewicz accept Medicare assignment?
Yes. Dr. Jessica Tomasiewicz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jessica Tomasiewicz commonly perform?
Top Medicare-reported procedures in 2023: Injection, denosumab, 1 mg (HCPCS J0897); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (HCPCS 85025). Source: CMS Medicare Physician & Other Practitioners file.