What is Leonard Zimnowski's specialty?

Leonard Zimnowski (NPI 1821099268) is a Medicare-billing provider whose primary specialty is Physician Assistant in Huntsville, AL.

Where does Leonard Zimnowski practice?

Leonard Zimnowski practices in Huntsville, AL, based on the location reported in the CMS Medicare provider datasets for NPI 1821099268.

How much does Medicare pay Leonard Zimnowski?

Leonard Zimnowski (NPI 1821099268) received approximately $14K in total Medicare Part B payments, serving 64 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1821099268

Leonard ZimnowskiPA-C

Physician AssistantHuntsville, ALI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

101

Distinct HCPCS

Medicare payment

$8K

Peer benchmark

Total Medicare services vs. 835 Physician Assistant providers in AL — above median (cohort median 199).

PRESCRIBING · PART D · 2024

Total Rx claims

233

Beneficiaries

—

Total drug cost

$2K

Distinct drugs

Brand share

46.8%

Top prescribed drugs

Methocarbamol53 claims

Gabapentin51 claims

Hydrocodone/Acetaminophen45 claims

Ondansetron39 claims

Oxycodone Hcl/Acetaminophen25 claims

QUALITY · MIPS · 2024

Final MIPS score

89.7

Quality

90.0

Cost

80.5

Improvement activities

40.0

Promoting interop.

94.0

Payment adjustment

0.62%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Leonard Zimnowski'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). 4 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
John Johnson Neurosurgery · Huntsville, AL	76	314
THE HEALTH CARE AUTHORITY OF THE CITY OF HUNTSVILLE	64	110
Muhammad Khan Cardiology · Huntsville, AL	11	14
Tangayi Githu Diagnostic Radiology · Saint Louis, MO	11	18

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