JANICE L GILDEN (M.D.) – Endocrinology, Diabetes & Metabolism Physician, NPI 1548220452
Endocrinology, Diabetes & Metabolism Physician
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Profile Insights
NPPES metrics only — not quality of care.
455 ENDOCRINOLOGY in IL
Provider Addresses for JANICE L GILDEN (M.D.)
2222 W DIVISION ST STE 320
CHICAGO, IL 606223096
Phone: (312) 770-3263
Type: Location
2233 W Division St
Chicago, IL 606228151
Phone: (312) 770-3455
Fax: (312) 770-2586
Type: Location
3471, Green Bay Road, North Chicago, Lake County, Illinois, 60064, United States
NORTH CHICAGO, IL 600643037
Phone: (847) 473-4357
Fax: (847) 578-8671
Type: Mailing
Presence Saint Mary Campus, 2233, West Division Street, Wicker Park, West Town, Chicago, Cook County, Illinois, 60622, United States
CHICAGO, IL 606223043
Phone: (312) 770-3455
Fax: (312) 770-2586
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: 2008-09-23
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 |
|---|---|---|---|---|
| I20080923000449 | I | Endocrinology | 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 |
|---|---|---|---|---|
| 36415 | Insertion of needle into vein for collection of blood sample | 42 | 26 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 39 | 28 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 27 | 14 | $0 |
| 99443 | Telephone medical discussion with physician, 21-30 minutes | 22 | 11 | $0 |
| 84443 | Blood test, thyroid stimulating hormone (tsh) | 15 | 12 | $0 |
Insurance plans in this area (ZIP 60622)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | IL | |
| Interventional Cardiology, Cardiovascular Disease (Cardiology), Internal Medicine | IL | |
| Internal Medicine, Gastroenterology | IN | |
| Internal Medicine | IL | |
| Family Practice | IL | |
| Interventional Cardiology, Cardiovascular Disease (Cardiology) | IL | |
| Internal Medicine | IL | |
| Family Practice | IL | |
| Internal Medicine, Emergency Medicine | MI | |
| Family Practice, Emergency Medicine | IL |
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