What is Keith Zimmerman's specialty?

Keith Zimmerman (NPI 1619918844) is a Medicare-billing provider whose primary specialty is Certified Registered Nurse Anesthetist (CRNA) in Oakdale, LA.

Where does Keith Zimmerman practice?

Keith Zimmerman practices in Oakdale, LA, based on the location reported in the CMS Medicare provider datasets for NPI 1619918844.

How much does Medicare pay Keith Zimmerman?

Keith Zimmerman (NPI 1619918844) received approximately $30K in total Medicare Part B payments, serving 174 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1619918844

Keith ZimmermanCRNA

PRACTICEOAKDALE ESS LLCSee all providers at this practice →

Certified Registered Nurse Anesthetist (CRNA)Oakdale, LAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

Distinct HCPCS

Medicare payment

$9K

Peer benchmark

Total Medicare services vs. 1,323 Certified Registered Nurse Anesthetist (CRNA) providers in LA — top quintile (cohort median 94).

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 · 2025

Total received

$18

Payment records

By payment type

Food and Beverage$18

Top paying entities

Food and Beverage$18

REFERRAL NETWORK

Where Keith Zimmerman'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). 10 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
CLHG-OAKDALE, LLC	182	406
Chemparathy Manuel Internal Medicine · Oakdale, LA	104	174
Michael Allen Diagnostic Radiology · Alexandria, LA	21	29
LARSON, PAUL	21	29
Nancy Robinson Pathology · Greenville, SC	18	18
Gerald Gerdes Optometry · Oakdale, LA	18	62
Devin Tighe Diagnostic Radiology · Alexandria, LA	15	19
Acadian Ambulance Service, Inc. Ambulance Service Provider · Lafayette, LA	14	44
CANTWELL, VERNON	12	38
Victor Carlock Nurse Practitioner · Leesville, LA	11	26

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