PROVIDER PROFILE · NPI 1801067897

Bartosz ChmielowskiMD, PHD

Hematology-OncologyLos Angeles, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,461

Unique beneficiaries

—

Total services

71,529

Distinct HCPCS

Medicare payment

$2.3M

Peer benchmark

Total Medicare services vs. 957 Hematology-Oncology providers in CA — top quintile (cohort median 4,173).

PRESCRIBING · PART D · 2024

Total Rx claims

334

Beneficiaries

—

Total drug cost

$1.9M

Distinct drugs

Brand share

44.6%

Top prescribed drugs

Prednisone53 claims

Binimetinib36 claims

Encorafenib36 claims

Levothyroxine Sodium24 claims

Ondansetron Hcl21 claims

QUALITY · MIPS · 2024

Final MIPS score

87.5

Quality

79.4

Cost

73.7

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.53%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$2K

Payment records

By payment type

Consulting Fee$2K

Food and Beverage$763

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$30

REFERRAL NETWORK

Where Bartosz Chmielowski'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). 18 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
REGENTS OF THE UNIV OF CALIFORNIA	92	479
Antonio Gutierrez Diagnostic Radiology · Los Angeles, CA	38	137
Fereidoun Abtin Diagnostic Radiology · Los Angeles, CA	28	106
Robert Suh Diagnostic Radiology · Los Angeles, CA	25	62
Unilab Corporation Clinical Laboratory · West Hills, CA	24	139
Frederick Eilber Surgical Oncology · Los Angeles, CA	23	142
Victor Sai Diagnostic Radiology · Los Angeles, CA	21	62
Arun Singh Hematology-Oncology · Santa Monica, CA	21	705
Scott Genshaft Interventional Radiology · Los Angeles, CA	19	77
Benjamin Plotkin Diagnostic Radiology · Los Angeles, CA	18	71
Michael Douek Diagnostic Radiology · Los Angeles, CA	17	47
Kathleen Brown Diagnostic Radiology · Los Angeles, CA	17	30

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