What is Michael Hahl's specialty?

Michael Hahl (NPI 1811954449) is a Medicare-billing provider whose primary specialty is Hematology-Oncology in Louisville, KY.

Where does Michael Hahl practice?

Michael Hahl practices in Louisville, KY, based on the location reported in the CMS Medicare provider datasets for NPI 1811954449.

How much does Medicare pay Michael Hahl?

Michael Hahl (NPI 1811954449) received approximately $134K in total Medicare Part B payments, serving 291 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1811954449

Michael HahlM.D.

Hematology-OncologyLouisville, KYI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

724

Unique beneficiaries

—

Total services

1,909

Distinct HCPCS

Medicare payment

$123K

Peer benchmark

Total Medicare services vs. 124 Hematology-Oncology providers in KY — top quintile (cohort median 960).

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$988

Distinct drugs

Brand share

61.4%

Top prescribed drugs

Lidocaine Hcl23 claims

Mometasone Furoate22 claims

Hydrocodone/Acetaminophen12 claims

QUALITY · MIPS · 2024

Final MIPS score

83.7

Quality

73.7

Cost

60.2

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.37%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$14

Payment records

By payment type

Food and Beverage$14

Top paying entities

Food and Beverage$14

REFERRAL NETWORK

Where Michael Hahl'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). 6 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
NORTON HOSPITALS INC	31	127
Aaron Spalding Radiation Oncology · Louisville, KY	25	157
John Hamm Medical Oncology · Louisville, KY	14	221
JEWISH HOSPITAL & ST. MARY'S HEALTHCARE, INC.	14	38
Patricia Hansen Internal Medicine · Louisville, KY	14	52
BAPTIST HEALTHCARE SYSTEM INC.	12	52

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