Medicare Enrolled

Dr. Rupa Chennamaneni, M.D.

Medical Oncology · Chicago, IL
Practice pattern: Clinical Cardiology — Primarily office-based clinical cardiology
9831 S WESTERN AVE, Chicago, IL 60643
7734453500
Registered in NPPES since 2006
NPI: 1245263532 verify on NPPES ↗
Very High
DATA COVERAGE
Data in 4 of 4 federal sources
Measures public federal data availability — not provider quality
Informational, not a quality rating. This page presents federal public records about Dr. Chennamaneni from CMS (NPPES, Open Payments, Medicare Provider Utilization, PECOS). It is not medical advice, an endorsement, or a judgment of clinical quality. Always consult the provider directly and a licensed clinician for medical decisions. Read methodology →
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What this data tells you about Dr. Chennamaneni

Dr. Rupa Chennamaneni is a medical oncology specialist in Chicago, IL, with 20 years of NPI registration. Based on federal Medicare data, Dr. Chennamaneni performed 668 Medicare services in 2023. These records do not provide a deduplicated patient total.

Between the years covered by Open Payments, Dr. Chennamaneni received a total of $11,494 from 24 pharmaceutical and/or device companies across 73 payment records. A record can group multiple payments. These transfers are publicly reported through CMS Open Payments. Disclosure alone does not establish their effect on care. A reliable breakdown by payment category is not available in this snapshot. Patients may wish to discuss these relationships with their provider.

The Data Coverage level for Dr. Chennamaneni is Very High — reflecting how much public federal data is available about this provider. Patients are encouraged to use this data as one of several factors when choosing a healthcare provider.

✓ 20 years of NPI registration ▲ 668 Medicare services $11,494 industry payments

Medicare Practice Summary — 2023

Medicare Utilization ↗
668
Medicare services
Bottom 39% in IL for medical oncology
Lower Medicare volume may reflect subspecialty focus, hospital-based work, or a higher share of non-Medicare patients.
Not available
Unique patients (not deduplicated)
$74
Avg. Medicare payment
Medicare patients only (65+ / disabled) · How to read this →

Top procedures by volume

Ranked by number of services performed for Medicare patients. Avg. submitted charge is what the provider billed; avg. Medicare payment is what CMS paid.

Procedure Volume Avg. paid Avg. submitted
Office visit, established patient (30-39 min)
A follow-up office visit for an existing patient lasting between 30 and 39 minutes. The visit involves medical evaluation and management of the patient's condition.
262 $72 $259
Hospital follow-up visit, high complexity
Subsequent hospital inpatient or observation care for an existing patient involving high-level medical decision making, with at least 50 minutes total time on the date of the encounter.
172 $95 $248
Blood draw (venipuncture)
Insertion of a needle into a vein to collect a blood sample.
97 $8 $22
Office visit, established patient, complex (40-54 min)
An office or outpatient visit for an existing patient lasting between 40 and 54 minutes. This level of service is determined by the total time spent on the date of the encounter.
69 $112 $368
Initial hospital admission, moderate complexity
Initial hospital inpatient or observation care for a new patient involving moderate-level medical decision making, with at least 55 minutes total time on the date of the encounter.
30 $95 $307
New patient office visit (45-59 min)
An initial office visit for a new patient lasting between 45 and 59 minutes. This code covers the total time spent by the physician or qualified healthcare professional on the date of the encounter.
20 $104 $352
Hospital follow-up visit, moderate complexity
Follow-up hospital visit for an existing patient involving moderate medical decision making. The visit requires at least 35 minutes of time spent on the date of service.
18 $62 $168
How to read this data: This reflects Medicare patients only (typically 65+). Payment amounts are what Medicare paid the provider, not your out-of-pocket cost. These counts do not measure clinical quality or years of experience.

Industry Payment Transparency

Open Payments through 2024 ↗
$11,494
Total received (2018-2024)
Avg $1,642/year across 7 years
Top 27% in IL for medical oncology
A higher payment rank reflects disclosed industry relationships (consulting, research, speaking) common among subspecialists — not wrongdoing.
24
Companies
73
Payment records
Payments are publicly reported; disclosure does not establish legality · Not evidence of wrongdoing · How to interpret →

Payment categories are unavailable while the source breakdown is being rebuilt. Company and year totals do not identify how much belongs to each category.

Payment trend by year

Annual totals from pharmaceutical and medical device companies.

2024
$4,850
2023
$721
2022
$500
2021
$1,216
2020
$572
2019
$1,557
2018
$2,078

Payments by company (2024)

Gilead Sciences, Inc.
$4,187
AstraZeneca Pharmaceuticals LP
$525
Tempus AI, Inc
$138
Top 3 companies account for 100.0% of 2024 payments
All-time payments by company (2018-2024) ›
Gilead Sciences, Inc.
$4,213
Exelixis Inc.
$1,533
R-Pharm US LLC
$1,374
Deciphera Pharmaceuticals Inc.
$1,200
AstraZeneca Pharmaceuticals LP
$716
Lilly USA, LLC
$606
Daiichi Sankyo Inc.
$560
Incyte Corporation
$435
Tempus AI, Inc
$138
Seagen Inc.
$132
SANOFI-AVENTIS U.S. LLC
$100
E.R. Squibb & Sons, L.L.C.
$92
Bayer HealthCare Pharmaceuticals Inc.
$69
Janssen Biotech, Inc.
$50
PFIZER INC.
$47
Novartis Pharmaceuticals Corporation
$37
Immunomedics, Inc.
$31
Merck Sharp & Dohme Corporation
$31
Puma Biotechnology, Inc.
$29
GENZYME CORPORATION
$24
Celgene Corporation
$21
Pharmacyclics LLC, An AbbVie Company
$20
Merck Sharp & Dohme LLC
$20
EISAI INC.
$14
Top 3 companies account for 61.9% of all-time payments
Associated products mentioned in payments ›
ADAKVEO · BALVERSA · CALQUENCE · CYRAMZA · Cabometyx · DARZALEX · ELITEK · ENHERTU · IBRANCE · IMFINZI · Imbruvica · Ixempra · JEVTANA · KEYTRUDA · LUTATHERA · LYNPARZA · Lenvima · NERLYNX · Nerlynx · Pomalyst · QINLOCK · REBLOZYL · SARCLISA · Stivarga · TUKYSA · Trodelvy · VERZENIO · XALKORI
Should you be concerned? Industry payments are disclosed through CMS Open Payments. Disclosure alone does not establish their purpose, legality, or effect on care. What matters is whether a recommended drug or device appears in your doctor's payment records. If so, consider asking your doctor about it. How to interpret this data →
Looking for a medical oncology specialist in Chicago?
Compare medical oncologists in the Chicago area by procedure volume, costs, and industry payment transparency.
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Geographic Context

Medical oncologists in nearby ZIP areas
75
County median income
$81,797
Nearest hospital to ZIP centroid (approximate)
ROSELAND COMMUNITY HOSPITAL
2.4 mi

Data Sources

Provider Registry NPPES NPPES snapshot; verify current record
Medicare Enrollment PECOS PECOS snapshot
Practice Data Medicare Util. Annual (CY lag)
Industry Payments Open Payments CY 2024
Disciplinary History — Not included N/A

This provider has data in 4 of 4 available federal datasets, with a Data Coverage level of Very High. This reflects how much public data is available about a provider. How we calculate this →

Summary

Dr. Chennamaneni is a clinical cardiology specialist, with moderate Medicare volume, with 20 years of NPI registration.

This summary is auto-generated from federal data, describing data availability and patterns. Read our methodology →

Frequently Asked Questions

Is Dr. Chennamaneni experienced with office visit, established patient (30-39 min)?
Based on Medicare claims data, Dr. Chennamaneni performed 262 office visit, established patient (30-39 min) services. These records cover Medicare fee-for-service activity, including eligible younger beneficiaries; they do not measure total practice volume or clinical quality.
Does Dr. Chennamaneni receive payments from pharmaceutical companies?
Yes. Dr. Chennamaneni received a total of $11,494 from 24 companies across 73 payment records. A record can group multiple payments. These transfers are publicly disclosed through CMS Open Payments. Disclosure alone does not establish their legality or effect on care. Patients may wish to ask their doctor about these relationships, especially if a recommended drug or device appears in the payment records.
How do Dr. Chennamaneni's costs compare to other medical oncologists in Chicago?
Dr. Chennamaneni's average Medicare payment per service is $74. Note that these figures represent what Medicare pays, not your out-of-pocket cost, which depends on your specific insurance plan and deductible. Procedure-level data above shows both what was submitted and what Medicare paid for each service type.
What does Data Coverage mean?
Data Coverage (currently Very High for Dr. Chennamaneni) measures how much public federal data is available about a provider. It is not a quality rating. A "Very High" or "High" level means the provider has data across multiple federal sources (NPPES, PECOS, Medicare Utilization, Open Payments), indicating the presence of registry, enrollment, activity or payment records, not verified experience or clinical quality. A "Low" or "Moderate" level may simply mean the provider is newer, does not see Medicare patients, or has not received any industry payments — none of which are inherently negative. Read our full methodology →
Is this data up to date?
Source publication dates and the snapshots loaded on this site can differ. Rebuilding a page does not refresh its source records. Check the Medicare reporting year and the payment interval shown above; consult the linked official sources for newer releases and current registry details. See our data freshness policy →
About this page

This page combines public CMS records with calculated summaries and explanatory procedure labels. These transformations are not verbatim federal records. Sources: NPPES ↗, Open Payments ↗, Medicare Provider Utilization ↗, and PECOS. Publication is mandated by the Physician Payments Sunshine Act (§6002 ACA, 42 U.S.C. §1320a-7h) and the Freedom of Information Act.

This page is not medical advice, an endorsement, a recommendation, or a quality rating. Data Coverage reflects data completeness — how much federal information exists for this provider — not clinical performance, patient outcomes, or quality of care. Always verify information directly with the provider and consult a licensed clinician before making medical decisions.

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Data Disclaimer — Data sourced from the Centers for Medicare & Medicaid Services (CMS): National Plan and Provider Enumeration System (NPPES), Open Payments program, Medicare Provider Utilization and Payment Data, and Provider Enrollment & Certification data (PECOS). Published under the Freedom of Information Act (FOIA). This website is not affiliated with, endorsed by, or authorized by CMS, HHS, or the U.S. Government. Data may contain errors as reported to CMS by providers and reporting entities. Industry payment disclosure alone establishes neither wrongdoing nor legality. Medicare data reflects only patients aged 65+ or those with qualifying disabilities. For corrections, contact CMS directly. This information does not constitute medical advice and should not be used as the sole basis for choosing a healthcare provider. Procedure descriptions use plain language and do not reference CPT® codes, which are copyrighted by the American Medical Association. Full methodology → · Report a data error → · Privacy policy →