What is Christopher Chen's specialty?

Christopher Chen (NPI 1851603674) is a Medicare-billing provider whose primary specialty is Hematology-Oncology in Tucson, AZ.

Where does Christopher Chen practice?

Christopher Chen practices in Tucson, AZ, based on the location reported in the CMS Medicare provider datasets for NPI 1851603674.

How much does Medicare pay Christopher Chen?

Christopher Chen (NPI 1851603674) received approximately $1.8M in total Medicare Part B payments, serving 355 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1851603674

Christopher ChenMD, MBA

PRACTICETHE ONCOLOGY INSTITUTE CA, A PROFESSIONAL CORPORATIONSee all providers at this practice →

Hematology-OncologyTucson, AZI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,157

Unique beneficiaries

—

Total services

64,598

Distinct HCPCS

Medicare payment

$923K

Peer benchmark

Total Medicare services vs. 199 Hematology-Oncology providers in AZ — above median (cohort median 31,409).

PRESCRIBING · PART D · 2024

Total Rx claims

191

Beneficiaries

—

Total drug cost

$1.0M

Distinct drugs

Brand share

42.4%

Top prescribed drugs

Lenalidomide26 claims

Apixaban25 claims

Ixazomib Citrate19 claims

Dexamethasone19 claims

Oxycodone Hcl18 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$92K

Payment records

416

By payment type

Honoraria$47K

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$17K

Travel and Lodging$14K

Food and Beverage$9K

Consulting Fee$5K

Top paying entities

Honoraria$47K

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$17K

Travel and Lodging$14K

Food and Beverage$9K

Consulting Fee$5K

REFERRAL NETWORK

Where Christopher Chen's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 19 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
CARONDELET HEALTH NETWORK	124	183
TUCSON MEDICAL CENTER	94	135
Southwest Ambulance Of Tucson Inc Ambulance Service Provider · Tucson, AZ	51	70
Salvatore Tirrito Cardiology · Tucson, AZ	41	65
Jose Rebeil-De La Rosa Diagnostic Radiology · Tucson, AZ	24	31
Jocelyn Hendricks Internal Medicine · Tucson, AZ	23	25
Stella Kahn Diagnostic Radiology · Tucson, AZ	21	26
Gurpreet Dhillon Diagnostic Radiology · Spokane, WA	17	18
Russell Madsen Emergency Medicine · Tucson, AZ	16	22
Nicholas Fraley Diagnostic Radiology · Tucson, AZ	16	19
NORTHWEST HOSPITAL LLC	14	21
Paul Strautman Diagnostic Radiology · Tucson, AZ	14	26

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history

Healthparse Signals

Monitor this provider for changes — dated NPI change events