PROVIDER PROFILE · NPI 1538186457

Patricia GrinnellNP

PRACTICEREDWOOD REGIONAL MEDICAL GROUP, INC.See all providers at this practice →

Nurse PractitionerPetaluma, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

390

Unique beneficiaries

—

Total services

11,713

Distinct HCPCS

Medicare payment

$109K

Peer benchmark

Total Medicare services vs. 8,685 Nurse Practitioner providers in CA — top quintile (cohort median 222).

PRESCRIBING · PART D · 2024

Total Rx claims

298

Beneficiaries

—

Total drug cost

$4K

Distinct drugs

Brand share

18.5%

Top prescribed drugs

Lidocaine/Prilocaine42 claims

Prochlorperazine Maleate37 claims

Dexamethasone36 claims

Olanzapine31 claims

Prednisone30 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$131

Payment records

By payment type

Food and Beverage$131

REFERRAL NETWORK

Where Patricia Grinnell'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
SUTTER WEST BAY MEDICAL FOUNDATION	163	1,085
Peter Brett Hematology-Oncology · Santa Rosa, CA	105	651
Eric Dean Medical Oncology · Kirkland, WA	87	348
CALETTI, CHERYL	47	87
POPOVICH, MARK	35	59
ST. JOSEPH HEALTH NORTHERN CALIFORNIA, LLC	29	63
Bradley Restel Diagnostic Radiology · Santa Rosa, CA	24	37
Linda Casey Diagnostic Radiology · Santa Rosa, CA	20	22
NORTH SONOMA COUNTY HEALTH CARE DISTRICT	18	62
Jesse Rael Diagnostic Radiology · Santa Rosa, CA	15	19

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