Medicare Enrolled
Sonia Christian
Hematology & Oncology · Chicago, IL
Practice pattern: Mixed Practice
— Diverse clinical practice across multiple procedure types
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 Christian 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 Christian
Sonia Christian is a hematology & oncology specialist in Chicago, IL, with 13 years of NPI registration. Based on federal Medicare data, Christian performed 26,245 Medicare services in 2023. These records do not provide a deduplicated patient total.
Between the years covered by Open Payments, Christian received a total of $6,662 from 72 pharmaceutical and/or device companies across 291 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 Christian 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.
✓ 13 years of NPI registration
▲ Top 28% volume in IL
$6,662 industry payments
Medicare Practice Summary — 2023
Medicare Utilization ↗26,245
Medicare services
Top 28% in IL for hematology & oncology
Not available
Unique patients (not deduplicated)
$21
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 |
|---|---|---|---|
| Anti-nausea injection (fosaprepitant) An injection of fosaprepitant, a medication used to prevent nausea and vomiting. |
10,500 | $0 | $6 |
| Daratumumab injection (Darzalex) An injection containing daratumumab and hyaluronidase-fihj administered under the skin. |
9,720 | $38 | $128 |
| Denosumab injection (Prolia/Xgeva) | 1,740 | $19 | $71 |
| Dexamethasone injection (steroid) An injection of dexamethasone sodium phosphate, a corticosteroid medication, administered in a dose of 1 milligram. |
965 | $0 | $1 |
| Anti-nausea injection (Aloxi/palonosetron) | 730 | $1 | $114 |
| Injection, granisetron hydrochloride, 100 mcg | 470 | $0 | $24 |
| Intravenous injection of additional new drug or substance Administration of an additional new medication or substance directly into a vein. |
290 | $13 | $105 |
| 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. |
269 | $105 | $231 |
| 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. |
183 | $99 | $232 |
| Office visit, established patient (20-29 min) An office visit for an existing patient lasting between 20 and 29 minutes. The visit involves medical evaluation and management of the patient's condition. |
182 | $71 | $168 |
| Intravenous chemotherapy infusion, 1 hour or less Administration of chemotherapy medication directly into a vein. The procedure takes one hour or less to complete. |
173 | $109 | $686 |
| Drug injection, under skin or into muscle A procedure involving the administration of a medication or substance via injection into the subcutaneous tissue or muscle. |
120 | $12 | $93 |
| Additional sequential IV infusion, 1 hour or less This code represents an additional intravenous infusion administered sequentially to a primary infusion. It covers the administration time of one hour or less. |
114 | $24 | $152 |
| 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. |
111 | $149 | $325 |
| Non-hormonal chemotherapy injection This procedure involves administering non-hormonal anti-neoplastic chemotherapy medication via injection into the skin or muscle tissue. |
101 | $60 | $205 |
| Enhanced Oncology Model monthly payment This code represents the monthly enhanced oncology services payment under the Enhancing Oncology Model. It covers the administrative payment for enhanced services provided to eligible patients. |
89 | $75 | $70 |
| Additional hour of intravenous chemotherapy This code represents the administration of chemotherapy medication into a vein for each additional hour beyond the initial period. |
82 | $23 | $156 |
| Intravenous infusion, 1 hour or less Administration of medication or fluid directly into a vein for therapeutic, preventive, or diagnostic purposes. The procedure lasts one hour or less. |
78 | $53 | $304 |
| Diphenhydramine injection, up to 50 mg An injection of diphenhydramine hydrochloride, an antihistamine medication, administered in a dose of up to 50 milligrams. |
70 | $1 | $7 |
| Concurrent intravenous infusion Administration of medication or fluid into a vein for therapy, prevention, or diagnosis while another infusion is being given. |
48 | $16 | $91 |
| Intravenous infusion of new drug or substance, 1 hour or less This procedure involves administering a new medication or substance directly into a vein through an existing access site. The infusion is completed within one hour or less. |
42 | $54 | $334 |
| Office visit for established patient An office visit for an existing patient that may not require the healthcare professional to be present. |
32 | $19 | $72 |
| 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. |
29 | $66 | $157 |
| Normal saline infusion, 1000 cc Administration of 1000 cc of normal saline solution into a vein. This procedure involves the intravenous delivery of a sterile saltwater solution. |
21 | $2 | $19 |
| Initial hospital admission, high complexity Initial hospital inpatient or observation care for a new patient involving high-level medical decision making, with at least 75 minutes total time on the date of the encounter. |
20 | $145 | $412 |
| 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. |
19 | $139 | $343 |
| Intravenous drug injection A procedure involving the administration of a medication or substance directly into a vein. |
18 | $31 | $240 |
| Fluorodeoxyglucose f-18 fdg, diagnostic, per study dose, up to 45 millicuries | 17 | $414 | $1,200 |
| New patient office visit, complex (60-74 min) | 12 | $184 | $432 |
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.
1.8% high complexity
94.5% medium
3.7% routine
Industry Payment Transparency
Open Payments through 2024 ↗$6,662
Total received (2018-2024)
Avg $952/year across 7 years
Top 36% in IL for hematology & oncology
A higher payment rank reflects disclosed industry relationships (consulting, research, speaking) common among subspecialists — not wrongdoing.
72
Companies
291
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
$1,420
2023
$1,908
2022
$1,430
2021
$654
2020
$371
2019
$546
2018
$333
Payments by company (2024)
PFIZER INC.
$157
Daiichi Sankyo Inc.
$100
Novartis Pharmaceuticals Corporation
$94
Bayer Healthcare Pharmaceuticals Inc.
$78
Merck Sharp & Dohme LLC
$70
AstraZeneca Pharmaceuticals LP
$61
ABBVIE INC.
$51
Celgene Corporation
$51
Janssen Biotech, Inc.
$49
Gilead Sciences, Inc.
$44
Incyte Corporation
$43
Aveo Pharmaceuticals, Inc.
$38
Genentech USA, Inc.
$38
Fresenius Kabi USA, LLC
$35
GlaxoSmithKline, LLC.
$34
Regeneron Healthcare Solutions, Inc.
$34
Astellas Pharma US Inc
$32
Takeda Pharmaceuticals U.S.A., Inc.
$32
Lilly USA, LLC
$30
Stemline Therapeutics Inc.
$28
Mirati Therapeutics, Inc.
$26
Deciphera Pharmaceuticals Inc.
$25
Eisai Inc.
$25
Amneal Pharmaceuticals LLC
$24
ARRAY BIOPHARMA INC
$24
Genmab U.S., Inc.
$23
Blueprint Medicines Corporation
$23
TAIHO ONCOLOGY, INC.
$21
Alexion Pharmaceuticals, Inc.
$21
Rigel Pharmaceuticals, Inc.
$20
Adaptive Biotechnologies Corporation
$20
Epizyme, Inc.
$20
Azurity Pharmaceuticals, Inc.
$19
E.R. Squibb & Sons, L.L.C.
$16
BeiGene USA, Inc.
$16
Top 3 companies account for 24.7% of 2024 payments
All-time payments by company (2018-2024) ›
Novartis Pharmaceuticals Corporation
$743
AstraZeneca Pharmaceuticals LP
$498
PFIZER INC.
$306
Takeda Pharmaceuticals U.S.A., Inc.
$281
Janssen Biotech, Inc.
$238
Incyte Corporation
$207
Amgen Inc.
$203
Gilead Sciences, Inc.
$198
Merck Sharp & Dohme LLC
$195
Pharmacyclics LLC, An AbbVie Company
$177
Regeneron Healthcare Solutions, Inc.
$171
Genentech USA, Inc.
$170
EMD Serono, Inc.
$167
Octapharma USA, Inc.
$150
Celgene Corporation
$143
Daiichi Sankyo Inc.
$137
AVEO Pharmaceuticals, Inc.
$123
Seagen Inc.
$120
Bayer Healthcare Pharmaceuticals Inc.
$120
GENZYME CORPORATION
$116
Eisai Inc.
$110
Astellas Pharma US Inc
$105
GlaxoSmithKline, LLC.
$98
E.R. Squibb & Sons, L.L.C.
$96
Merck Sharp & Dohme Corporation
$96
Karyopharm Therapeutics Inc.
$95
Lilly USA, LLC
$88
JAZZ PHARMACEUTICALS INC.
$87
AbbVie Inc.
$82
ABBVIE INC.
$80
Mirati Therapeutics, Inc.
$77
Bayer HealthCare Pharmaceuticals Inc.
$75
Deciphera Pharmaceuticals Inc.
$54
Seattle Genetics, Inc.
$50
Blueprint Medicines Corporation
$49
SERVIER PHARMACEUTICALS LLC
$48
Amneal Pharmaceuticals LLC
$44
Genmab U.S., Inc.
$43
BeiGene USA, Inc.
$42
EISAI INC.
$41
Alexion Pharmaceuticals, Inc.
$41
AbbVie, Inc.
$41
Aveo Pharmaceuticals, Inc.
$38
TerSera Therapeutics LLC
$36
Jazz Pharmaceuticals Inc.
$36
Fresenius Kabi USA, LLC
$35
Stemline Therapeutics Inc.
$28
PharmaEssentia USA Corporation
$28
Emmaus Medical, Inc.
$26
Exelixis Inc.
$25
Kite Pharma, Inc.
$25
G1 Therapeutics, Inc.
$25
ARRAY BIOPHARMA INC
$24
ADC Therapeutics America, Inc.
$22
Agios Pharmaceuticals, Inc.
$21
TAIHO ONCOLOGY, INC.
$21
Pharmacyclics LLC, an AbbVie Company
$21
Rigel Pharmaceuticals, Inc.
$20
Adaptive Biotechnologies Corporation
$20
Epizyme, Inc.
$20
Azurity Pharmaceuticals, Inc.
$19
Dova Pharmaceuticals
$19
Fortovia Therapeutics, Inc.
$17
Foundation Medicine, Inc.
$16
MorphoSys, US Inc.
$16
AMAG Pharmaceuticals, Inc.
$15
Sirtex Medical Inc
$15
Puma Biotechnology, Inc.
$14
Ipsen Biopharmaceuticals, Inc
$14
Servier Pharmaceuticals LLC
$13
Melinta Therapeutics, LLC
$13
Verastem, Inc.
$12
Top 3 companies account for 23.2% of all-time payments
Associated products mentioned in payments ›
ADAKVEO · ADCETRIS · ALUNBRIG · AVASTIN · AYVAKIT · Avastin · BAVENCIO · BESREMI · BOSULIF · BRUKINSA · Bavencio · CABOMETYX · CALQUENCE · CERDELGA · COSELA · Copiktra · DARZALEX · Doptelet · ELITEK · ENHERTU · ERBITUX · ERLEADA · Endari · Enhertu · Epkinly · FERAHEME · FOTIVDA · FOUNDATIONONE · FRUZAQLA · Fabhalta · IBRANCE · ICLUSIG · IMBRUVICA · IMFINZI · INLYTA · Imbruvica · JAKAFI · JAYPIRCA · JEMPERLI · JEVTANA · KANJINTI · KEYTRUDA · KISQALI · KRAZATI · LIBTAYO · LONSURF · LUMAKRAS · LUTATHERA · LYNPARZA · Lenvima · MEKINIST · MONJUVI · MVASI · NINLARO · Nerlynx · Nplate · Nubeqa · OCTAGAM IMMUNE GLOBULIN (HUMAN) · OJJAARA · OPDIVO · OXBRYTA · Onivyde · Orserdu · PADCEV · PIQRAY · PREVYMIS · PROMACTA · PYRUKYND · Phesgo · Pomalyst · QINLOCK · REBLOZYL · RYBREVANT · Rezlidhia · Rezzayo · SARCLISA · SCEMBLIX · SIR-Spheres Microspheres · SOMATULINE DEPOT · Stimufend · Stivarga · TABRECTA · TAGRISSO · TASIGNA · TECENTRIQ · TECVAYLI · TEPMETKO · TIBSOVO · TUKYSA · Tibsovo · Trodelvy · ULTOMIRIS · VENCLEXTA · VERZENIO · VIVIMUSTA · VOTRIENT · VYXEOS · Vanflyta · Venclexta · Vitrakvi · XALKORI · XOSPATA · XPOVIO · XTANDI · Xermelo · Xofigo · Xospata · Xtandi · Yescarta · ZEJULA · ZEPZELCA · clonoSEQ
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 →
Geographic Context
Hematology & oncology specialists in nearby ZIP areas
322
County median income
$81,797
Nearest hospital to ZIP centroid (approximate)
ADVOCATE ILLINOIS MASONIC MEDICAL CENTER
0.0 mi
0.0 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
Christian is a mixed practice specialist, with above-average Medicare volume (top 28% in IL).
This summary is auto-generated from federal data, describing data availability and patterns. Read our methodology →
Frequently Asked Questions
Is Christian experienced with anti-nausea injection (fosaprepitant)?
Based on Medicare claims data, Christian performed 10,500 anti-nausea injection (fosaprepitant) services. These records cover Medicare fee-for-service activity, including eligible younger beneficiaries; they do not measure total practice volume or clinical quality.
Does Christian receive payments from pharmaceutical companies?
Yes. Christian received a total of $6,662 from 72 companies across 291 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 Christian's costs compare to other hematology & oncology specialists in Chicago?
Christian's average Medicare payment per service is $21. 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 Christian) 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 →
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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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