What is Bartosz Chmielowski's specialty?

Bartosz Chmielowski (NPI 1801067897) is a Medicare-billing provider whose primary specialty is Hematology-Oncology in Los Angeles, CA.

Where does Bartosz Chmielowski practice?

Bartosz Chmielowski practices in Los Angeles, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1801067897.

How much does Medicare pay Bartosz Chmielowski?

Bartosz Chmielowski (NPI 1801067897) received approximately $5.0M in total Medicare Part B payments, serving 564 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

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

Top paying entities

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

Healthparse Signals

Monitor this provider for changes — dated NPI change events