What is Cyrene Grothaus-Day's specialty?

Cyrene Grothaus-Day (NPI 1407872625) is a Medicare-billing provider whose primary specialty is Anesthesiology in Fenton, MO.

Where does Cyrene Grothaus-Day practice?

Cyrene Grothaus-Day practices in Fenton, MO, based on the location reported in the CMS Medicare provider datasets for NPI 1407872625.

How much does Medicare pay Cyrene Grothaus-Day?

Cyrene Grothaus-Day (NPI 1407872625) received approximately $19K in total Medicare Part B payments, serving 150 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1407872625

Cyrene Grothaus-DayMD

AnesthesiologyFenton, MOI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

140

Unique beneficiaries

—

Total services

143

Distinct HCPCS

Medicare payment

$17K

Peer benchmark

Total Medicare services vs. 757 Anesthesiology providers in MO — below median (cohort median 187).

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

No data available for this provider in 2025.

REFERRAL NETWORK

Where Cyrene Grothaus-Day'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 · 6 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Gary Hopen Ophthalmology · Hollywood, FL	17	44
LEFKOF, IRA	16	48
ALLMAN, RUBY	11	12
Laboratory Corporation Of America Clinical Laboratory · Tampa, FL	11	13

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
Ambulatory Surgical Facility Of S Florida Lllp Ambulatory Surgical Center · Pembroke Pines, FL	110	137
SOUTH BROWARD HOSPITAL DISTRICT	23	31
Russell Wolfe Ophthalmology · Hollywood, FL	17	29
Inna Ozerov Ophthalmology · Hollywood, FL	16	32
Quest Diagnostics Clinical Laboratories Inc Clinical Laboratory · Miramar, FL	15	24
GOTTLIEB, MARYANN	15	16

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