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DR. THERESE M OCONNOR MD
NPI 1114995800
Obstetrics & Gynecology in Des Plaines, IL

Active since March 09, 2006PECOS Enrolled
9301 GOLF RD STE 101, DES PLAINES, IL 60016(847) 318-9350(847) 318-2906 Get Directions Write a Review

NPPES record last updated: December 20, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Dec 20, 2021, Nov 4, 2021, Jan 23, 2020 and 1 more (4 updates tracked since 2017).

About Dr. Therese M Oconnor Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. THERESE M OCONNOR MD (NPI 1114995800) is an individual obstetrics & gynecology provider in Des Plaines, Illinois, licensed in Illinois (36066503) and active in the NPI registry since March 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1114995800
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameDR. THERESE M OCONNORCredential: MD
Location Address9301 GOLF RD STE 101Des Plaines, IL 60016-1600
Mailing Address2801 Lakeside Dr Ste 209Bannockburn, IL 60015-1271 · (847) 562-1410 · Fax (847) 562-0830
Phone(847) 318-9350
Fax(847) 318-2906
Sole ProprietorNo
Enumeration DateMarch 9, 2006
Last NPPES UpdateDecember 20, 20214 updates tracked since enumeration
NPPES CertifiedDecember 20, 2021
✔ NPI 1114995800 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in IL · 36066503
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
9301 GOLF RD STE 101, Des Plaines, IL 60016
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Therese M Oconnor Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

3

Medicare enrollment records show Therese Oconnor reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Lutheran General Hospital
1.2 mi
Cardiovascular Disease
1775 DEMPSTER ST
Park Ridge, IL 60068
  • Reassigned Medicare billing, Illinois enrollment
  • Medicare enrollment name: Advocate Health And Hospitals Corporation
  • 4,870 clinicians in this Medicare group
NPI 1801809306 (847) 723-2210
Access Community Health Network
2.7 mi
Federally Qualified Health Center (FQHC)
1 N BROADWAY ST
Des Plaines, IL 60016
  • Reassigned Medicare billing, Illinois enrollment
  • 413 clinicians in this Medicare group
NPI 1982783692 (847) 298-3150
Midwest Center For Women's Health Care, Ltd.
10 mi
Obstetrics & Gynecology
2801 LAKESIDE DR STE 209
Bannockburn, IL 60015
  • Reassigned Medicare billing, Illinois enrollment
  • 120 clinicians in this Medicare group
NPI 1447200654 (847) 562-1410

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60016 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$138.86 typical visit price
range $60.08 – $183.39
Typical copayment $34.71 (range $15.02 – $45.84)
Most-billed visit code 99204
Established Patient
$74.80 typical visit price
range $18.97 – $148.12
Typical copayment $18.70 (range $4.74 – $37.03)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 6

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. NATALIA FELDMAN M.D.
Obstetrics & Gynecology
9301 GOLF RD STE 101
DES PLAINES, IL 60016
Cook County (847) 318-9350
JULIE C SNOW M.D.
Obstetrics & Gynecology
9301 GOLF RD STE 101
DES PLAINES, IL 60016
Cook County (847) 318-9350
RANDEE LYNN LOPATA MD
Obstetrics & Gynecology
9301 GOLF RD STE 101
DES PLAINES, IL 60016
Cook County (847) 318-9350
DR. JODI LYNN SKLANSKY D.O.
Obstetrics & Gynecology
9301 GOLF RD STE 101
DES PLAINES, IL 60016
Cook County (847) 318-9350
DR. BRIAN K LOCKER MD
Obstetrics & Gynecology
9301 GOLF RD STE 101
DES PLAINES, IL 60016
Cook County (847) 318-9350
DR. BETH A SUM MD
Obstetrics & Gynecology
9301 GOLF RD STE 101
DES PLAINES, IL 60016
Cook County (847) 318-9350

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Therese Oconnor's NPI number?

The NPI number for Therese Oconnor is 1114995800. It was assigned to this individual provider in the NPPES registry on March 9, 2006.

Where is Therese Oconnor located?

Therese Oconnor practices at 9301 Golf Rd Ste 101, Des Plaines, IL 60016. The listed phone number is (847) 318-9350.

What is Therese Oconnor's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Therese Oconnor enrolled in Medicare?

Yes. Therese Oconnor is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Therese Oconnor's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Therese Oconnor reassigns Medicare benefits to 3 organizations: Lutheran General Hospital (Park Ridge, IL), Access Community Health Network (Des Plaines, IL) and Midwest Center For Women's Health Care, Ltd. (Bannockburn, IL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Therese Oconnor's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Therese Oconnor was last updated on December 20, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.