MARIE T OCONNOR PARKER (MD) – Emergency Medicine Physician, NPI 1528035789
Emergency Medicine Physician
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NPPES metrics only — not quality of care.
2,845 EMERGENCY MEDICINE in IL
Provider Addresses for MARIE T OCONNOR PARKER (MD)
6840 Main St
Downers Grove, IL 605163425
Phone: (630) 275-6840
Type: Location
885 Roosevelt Rd Ste 100
Glen Ellyn, IL 601376141
Phone: (630) 938-6000
Fax: (630) 384-6229
Type: Location
PO BOX 95305
CHICAGO, IL 606945305
Phone: (877) 485-4474
Type: Mailing
15900 W 127TH ST
LEMONT, IL 604392910
Phone: (630) 243-7100
Type: Location
7301, Ohms Lane, Cahill, Edina, Hennepin County, Minnesota, 55439, United States
SUITE 650
EDINA, MN 55439
Phone: (952) 835-9880
Fax: (952) 857-1554
Type: Mailing
Coon Rapids Blvd, Foley Boulevard, Parkside, Coon Rapids, Anoka County, Minnesota, 55448, United States
MERCY MEDICAL CENTER
COON RAPIDS, MN 55433
Phone: (763) 236-7144
Fax: (763) 236-7733
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2007-07-18
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20070718000458 | I | Emergency Medicine | IL | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 49 | 48 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 40 | 40 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 27 | 26 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 15 | 15 | $0 |
Insurance plans in this area (ZIP 60516)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | IL | |
| Diagnostic Radiology, Interventional Radiology | IL | |
| P A T H O L O G Y | IL | |
| Interventional Cardiology, Cardiovascular Disease (Cardiology), Internal Medicine | IL | |
| G A S T R O E N T E R O L O G Y | IL | |
| Internal Medicine | IL | |
| Cardiac Electrophysiology, Cardiovascular Disease (Cardiology), Internal Medicine | MN | |
| - | IL | |
| Physical Therapist In Private Practice | IL | |
| Nurse Practitioner | IL |
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