Doctor profile · Federal record

Dr. Cassandra Roy, NP

Nurse Practitioner · Nurse Practitioner · Family Nurse Practitioner · Chicago, IL

  • NPI 1790318525
  • Accepts Medicare
  • MIPS 81.1 / 100 · 2023
  • 7 yrs in practice
  • Licensed in 3 states
  • Female
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
5145 N California Ave Ste 331
Chicago, IL 606253661
(773) 878-8200
fax (773) 293-4171
Additional location
4235 Secor RD
Toledo, OH 436234231
(419) 473-3561
Mailing address
2650 Ridge Ave Ste 1223
Evanston, IL 602011700

Credentials & registration

NPPES · NUCC
NPI registered
February 2020 — 6 yrs on file
Profile last updated
December 14, 2024
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
363L00000X — NUCC code
State licenses (3)
California #95029510 · Illinois #209025207 · Ohio #026359

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1790318525. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
164
Distinct HCPCS
4
Medicare allowed
$21,497
HCPCS Description Services Patients Avg allowed
99284 Emergency department visit with moderate level of medical decision making 56 53 $110
99285 Emergency department visit with high level of medical decision making 46 43 $161
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 43 42 $155
99283 Emergency department visit with low level of medical decision making 19 18 $66

In context: peer comparison

Among 169 peers in Chicago Nurse Practitioner, average services per provider: 102. This provider delivers 1.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$85
Transactions
5
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Organogenesis INC. 2 $41.94
BSN Medical INC 1 $15.56
CashFlow Solutions, LLC 1 $13.57
Integra LifeSciences Corporation 1 $13.49

By nature of payment

Food and Beverage
$85

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Cassandra Roy's medical specialty?
Dr. Cassandra Roy practices Nurse Practitioner in Chicago, IL.
Where does Dr. Cassandra Roy practice?
Dr. Cassandra Roy practices at 5145 N California Ave Ste 331, Chicago, IL 606253661. Office phone: 7738788200.
What is Dr. Cassandra Roy's NPI?
Dr. Cassandra Roy's National Provider Identifier (NPI) is 1790318525, issued by NPPES.
Does Dr. Cassandra Roy accept Medicare assignment?
Yes. Dr. Cassandra Roy accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Cassandra Roy commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with high level of medical decision making (HCPCS 99285); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.