DR. FERDOUS BARLASKAR (M.D., PH.D.) – Internal Medicine Physician, NPI 1184981490
Internal Medicine Physician
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Profile Insights
NPPES metrics only — not quality of care.
2,390 HOSPITALIST in IL
Provider Addresses for DR. FERDOUS BARLASKAR (M.D., PH.D.)
680 N Lake Shore Dr
Chicago, IL 60611
Phone: (312) 695-6868
Type: Location
8201 E Riverside Blvd
Rockford, IL 611142300
Phone: (815) 971-4066
Fax: (815) 971-9299
Type: Location
1000 N Westmoreland Rd
Lake Forest, IL 60045
Phone: (847) 234-5600
Fax: (847) 535-7203
Type: Location
1000 N WESTMORELAND RD
LAKE FOREST, IL 60045
Phone: (847) 234-5600
Fax: (847) 535-7203
Type: Location
29624 NETWORK PL
CHICAGO, IL 606731296
Phone: (734) 649-4907
Fax: (815) 971-9299
Type: Mailing
5141 W BROAD ST STE 130
COLUMBUS, OH 432281984
Phone: (614) 851-8469
Type: Location
1203 RIDGEWOOD CT
VERNON HILLS, IL 600611093
Phone: (734) 649-4907
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 3 Open Payments records for all available years, with a total value of $161.
Total Amount is formed as General ($161) + Research ($0) + Ownership ($0) = $161.
Last reported payment date: 2023-12-29 • Largest payer in this snapshot: E.R. Squibb & Sons, L.L.C. ($112).
Total Amount
$161
General + Research + Ownership
Payments
3
Total payment records
General Amount
$161
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-12-29
Latest reported date
Top Companies
Largest payers in this snapshot
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: 2026-02-10
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 4 Medicare enrollment records; no due dates published yet.
Enrollment records
4
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 |
|---|---|---|---|---|
| I20190404000454 | I | Hospitalist | IL | TBD |
| I20241106003169 | I | Internal Medicine | OH | TBD |
| I20250724002002 | I | Hematology/Oncology | GA | TBD |
| I20260210003532 | I | Internal Medicine | MT | 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 |
|---|---|---|---|---|
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 60 | 36 | $0 |
| 99239 | Hospital discharge day management, more than 30 minutes | 18 | 18 | $0 |
Insurance plans in this area (ZIP 60611)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | GA | |
| Radiation Oncology | GA | |
| Medical Oncology | KY | |
| Medical Oncology | GA | |
| H E M A T O L O G Y/ O N C O L O G Y | TN | |
| Emergency Medicine | GA | |
| Family Practice, Emergency Medicine | GA | |
| Internal Medicine, Rheumatology | GA | |
| Physician Assistant | GA | |
| - | FL |
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