What is Patricia Grinnell's specialty?

Patricia Grinnell (NPI 1538186457) is a Medicare-billing provider whose primary specialty is Nurse Practitioner in Petaluma, CA.

Where does Patricia Grinnell practice?

Patricia Grinnell practices in Petaluma, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1538186457.

How much does Medicare pay Patricia Grinnell?

Patricia Grinnell (NPI 1538186457) received approximately $234K in total Medicare Part B payments, serving 228 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

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

Top paying entities

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