PROVIDER PROFILE · NPI 1942229463

Karen SonnenthalN.P.

PRACTICEJOHN MUIR PHYSICIAN NETWORKSee all providers at this practice →

Nurse PractitionerWalnut Creek, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

767

Unique beneficiaries

—

Total services

953

Distinct HCPCS

Medicare payment

$60K

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

3,447

Beneficiaries

—

Total drug cost

$158K

Distinct drugs

Brand share

18.5%

Top prescribed drugs

Atorvastatin Calcium223 claims

Rosuvastatin Calcium196 claims

Levothyroxine Sodium189 claims

Amlodipine Besylate171 claims

Lisinopril128 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$106

Payment records

By payment type

Food and Beverage$106

Top paying entities

Food and Beverage$106

REFERRAL NETWORK

Where Karen Sonnenthal'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 · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Priti Patel Family Practice · Walnut Creek, CA	53	104
Angelo Crudale Diagnostic Radiology · Walnut Creek, CA	12	21

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