DR. JESSICA AUBYN COOKSEY (MD) – Sleep Medicine (Internal Medicine) Physician, NPI 1205089166
Sleep Medicine (Internal Medicine) Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
183 SLEEP MEDICINE in IL
Provider Addresses for DR. JESSICA AUBYN COOKSEY (MD)
5841 S Maryland Ave
Chicago, IL 606371447
Phone: (773) 834-2663
Type: Location
East Belvidere Road, Grayslake, Lake, Illinois, 60030, United States
GRAYSLAKE, IL 600302026
Phone: (847) 535-7658
Fax: (847) 535-7260
Type: Mailing
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.
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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: 2016-01-13
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 |
|---|---|---|---|---|
| I20160113000388 | I | Sleep 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 | 267 | 207 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 134 | 134 | $0 |
| 95800 | Sleep study including heart rate, breathing, and sleep time | 53 | 52 | $0 |
| 99443 | Telephone medical discussion with physician, 21-30 minutes | 52 | 43 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 50 | 46 | $0 |
Insurance plans in this area (ZIP 60637)
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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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