Doctor profile · Federal record

Dr. Therese Oconnor, MD

Obstetrics & Gynecology Physician · Des Plaines, IL

  • NPI 1114995800
  • 20 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
9301 Golf RD Ste 101
Des Plaines, IL 600161600
(847) 318-9350
fax (847) 318-2906
Mailing address
2801 Lakeside Dr Ste 209
Bannockburn, IL 600151271

Credentials & registration

NPPES · NUCC
NPI registered
March 2006 — 20 yrs on file
Profile last updated
December 20, 2021
Specialty taxonomy
207V00000X — NUCC code
State license (1)
Illinois #36066503

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1114995800. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
110
Distinct HCPCS
4
Medicare allowed
$9,201
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 34 26 $94
99214 Established patient office or other outpatient visit, 30-39 minutes 30 30 $134
G0101 Cervical or vaginal cancer screening; pelvic and clinical breast examination 24 24 $42
Q0091 Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory 22 22 $45

In context: peer comparison

Among 6 peers in Des Plaines Obstetrics & Gynecology Physician, average services per provider: 74. This provider delivers 1.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
98
Patients
36
Total drug cost
$17,507
Drug Type Claims Patients Total cost
Estradiol Generic 41 19 $7,021
Clotrimazole-Betamethasone (Clotrimazole/Betamethasone Dip) Brand 19 17 $586
Fluconazole Generic 15 0 $99
Yuvafem (Estradiol) Brand 12 0 $3,328
Estring (Estradiol) Brand 11 0 $6,474

Frequently asked questions

Auto-generated from federal data
What is Dr. Therese Oconnor's medical specialty?
Dr. Therese Oconnor practices Obstetrics & Gynecology Physician in Des Plaines, IL.
Where does Dr. Therese Oconnor practice?
Dr. Therese Oconnor practices at 9301 Golf RD Ste 101, Des Plaines, IL 600161600. Office phone: 8473189350.
What is Dr. Therese Oconnor's NPI?
Dr. Therese Oconnor's National Provider Identifier (NPI) is 1114995800, issued by NPPES.
What procedures does Dr. Therese Oconnor commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Cervical or vaginal cancer screening; pelvic and clinical breast examination (HCPCS G0101). Source: CMS Medicare Physician & Other Practitioners file.