What is Royce Grimsrud's specialty?

Royce Grimsrud (NPI 1033182936) is a Medicare-billing provider whose primary specialty is Optometry in Sisseton, SD.

Where does Royce Grimsrud practice?

Royce Grimsrud practices in Sisseton, SD, based on the location reported in the CMS Medicare provider datasets for NPI 1033182936.

How much does Medicare pay Royce Grimsrud?

Royce Grimsrud (NPI 1033182936) received approximately $20K in total Medicare Part B payments, serving 199 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1033182936

Royce GrimsrudO.D.

OptometrySisseton, SDI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

220

Unique beneficiaries

—

Total services

246

Distinct HCPCS

Medicare payment

$18K

Peer benchmark

Total Medicare services vs. 186 Optometry providers in SD — below median (cohort median 525).

PRESCRIBING · PART D · 2024

Total Rx claims

200

Beneficiaries

—

Total drug cost

$3K

Distinct drugs

Brand share

21.5%

Top prescribed drugs

Latanoprost133 claims

Tobramycin/Dexamethasone43 claims

Timolol Maleate24 claims

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 Royce Grimsrud'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). 2 inbound referrers · 7 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
COTEAU DES PRAIRIES HOSPITAL	59	99
Judy Beumer Family Practice · Sisseton, SD	20	32

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
COTEAU DES PRAIRIES HOSPITAL	55	114
COTEAU DES PRAIRIES HOSPITAL	38	59
Stanley Gallagher Family Practice · Sisseton, SD	29	92
Judy Beumer Family Practice · Sisseton, SD	23	45
SANFORD MEDICAL CENTER FARGO	13	30
STAUB, DAVID	11	18
Jacqueline Bartlett Physician Assistant · Sisseton, SD	11	17

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