Doctor profile · Federal record

Dr. Oladimeji Kassim, FNP-C

Psychiatric/Mental Health Nurse Practitioner (CMS: Nurse Practitioner) · Family Nurse Practitioner · Chicago, IL

  • NPI 1861885675
  • Accepts Medicare
  • 10 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
2740 W Foster Ave Ste 412
Chicago, IL 606253532
(773) 878-8200
fax (773) 293-5346
Additional location
840 W Irving Park RD Ste 301
Chicago, IL 606133011
(773) 975-3269
fax (773) 975-3270
Mailing address
Po Box 3276
Evansville, IN 477313276

Credentials & registration

NPPES · NUCC
NPI registered
March 2015 — 11 yrs on file
Profile last updated
July 6, 2018
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
363LP0808X — NUCC code
State licenses (2)
Illinois #20912434 · Illinois #209012434

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1861885675. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,034
Distinct HCPCS
5
Medicare allowed
$75,358
HCPCS Description Services Patients Avg allowed
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes 512 109 $66
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 419 212 $71
90791 Psychiatric diagnostic evaluation 55 51 $130
99238 Hospital discharge day management, 30 minutes or less 32 30 $72
99306 Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 16 16 $160

In context: peer comparison

Among 25 peers in this city , average services per provider: 509. This provider delivers 2.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
210
Patients
15
Total drug cost
$6,751
Drug Type Claims Patients Total cost
Risperidone Generic 40 15 $617
Buspirone Hcl Generic 37 0 $402
Quetiapine Fumarate Generic 24 0 $492
Divalproex Sodium Er (Divalproex Sodium) Brand 18 0 $1,038
Buprenorphine-Naloxone (Buprenorphine Hcl/Naloxone Hcl) Brand 17 0 $2,959
Haloperidol Generic 17 0 $782
Hydroxyzine Hcl Generic 15 0 $88
Sertraline Hcl Generic 15 0 $109
Trazodone Hcl Generic 15 0 $172
Mirtazapine Generic 12 0 $91

Frequently asked questions

Auto-generated from federal data
What is Dr. Oladimeji Kassim's medical specialty?
Dr. Oladimeji Kassim practices Psychiatric/Mental Health Nurse Practitioner in Chicago, IL.
Where does Dr. Oladimeji Kassim practice?
Dr. Oladimeji Kassim practices at 2740 W Foster Ave Ste 412, Chicago, IL 606253532. Office phone: 7738788200.
What is Dr. Oladimeji Kassim's NPI?
Dr. Oladimeji Kassim's National Provider Identifier (NPI) is 1861885675, issued by NPPES.
Does Dr. Oladimeji Kassim accept Medicare assignment?
Yes. Dr. Oladimeji Kassim accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Oladimeji Kassim commonly perform?
Top Medicare-reported procedures in 2023: Subsequent nursing facility care with straightforward level of medical decision making (HCPCS 99308); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Psychiatric diagnostic evaluation (HCPCS 90791). Source: CMS Medicare Physician & Other Practitioners file.