RUPA CHENNAMANENI (M.D.) – Hematology & Oncology Physician, NPI 1245263532
Hematology & Oncology Physician
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
727 HEMATOLOGY/ONCOLOGY in IL
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Provider Addresses for RUPA CHENNAMANENI (M.D.)
West 22nd Street, Oak Brook, DuPage County, Illinois, 60521, United States
SUITE 202
OAK BROOK, IL 605231225
Phone: (630) 320-1160
Type: Mailing
9831, South Western Avenue, Beverly, Chicago, Lake Township, Cook County, Illinois, 60643, United States
CHICAGO, IL 606431791
Phone: (773) 445-3500
Type: Location
29373 NETWORK PL
CHICAGO, IL 606731293
Phone: (847) 390-5900
Type: Mailing
4440 W 95th St
Oak Lawn, IL 604532600
Phone: (708) 684-4200
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 17 Open Payments records for all available years, with a total value of $5,571.
Total Amount is formed as General ($5,571) + Research ($0) + Ownership ($0) = $5,571.
Last reported payment date: 2024-06-21 • Largest payer in this snapshot: Gilead Sciences, Inc. ($4,213).
Total Amount
$5,571
General + Research + Ownership
Payments
17
Total payment records
General Amount
$5,571
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-06-21
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Gilead Sciences, Inc. | $4,213 |
| Daiichi Sankyo Inc. | $560 |
| AstraZeneca Pharmaceuticals LP | $525 |
| Tempus AI, Inc | $138 |
| Lilly USA, LLC | $135 |
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: 2006-04-13
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 |
|---|---|---|---|---|
| I20060413000349 | I | Hematology/Oncology | 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 | 262 | 132 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 172 | 68 | $0 |
| 36415 | Insertion of needle into vein for collection of blood sample | 97 | 34 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 69 | 38 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 30 | 29 | $0 |
Insurance plans in this area (ZIP 60523)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nephrology, Internal Medicine | IL | |
| A N E S T H E S I O L O G Y | IL | |
| - | MN | |
| - | IL | |
| - | IL | |
| Rheumatology, Internal Medicine | IL | |
| - | IL | |
| Internal Medicine | IL | |
| P S Y C H I A T R Y | IL | |
| - | IL |
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