PROVIDER PROFILE · NPI 1831221621

Marleen MckenzieM.D.

AnesthesiologyColumbia, MDI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

Distinct HCPCS

Medicare payment

$3K

Peer benchmark

Total Medicare services vs. 814 Anesthesiology providers in MD — bottom quintile (cohort median 223).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where Marleen Mckenzie'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). 8 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
PENINSULA ENDOSCOPY CENTER, LLC	460	914
CHANDRASEKHARA, KOTA	157	489
TURNAMIAN, STEVEN	153	527
Laboratory Corporation Of America Holdings Clinical Laboratory · Raritan, NJ	42	69
Vel Natesan Internal Medicine · Salisbury, MD	20	59
Kimberly Cuesta Pathology · Salisbury, MD	14	24
Joy Madarang-Lewis Internal Medicine · Salisbury, MD	12	26
Patrick Oreilly Pathology · Salisbury, MD	12	13

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