What is Dennis Penner's specialty?

Dennis Penner (NPI 1922057819) is a Medicare-billing provider whose primary specialty is Internal Medicine in Los Gatos, CA.

Where does Dennis Penner practice?

Dennis Penner practices in Los Gatos, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1922057819.

How much does Medicare pay Dennis Penner?

Medicare Part B utilization, prescribing (Part D), MIPS quality scores, and industry payments for Dennis Penner (NPI 1922057819) are detailed on this CareTrace profile.

PROVIDER PROFILE · NPI 1922057819

Dennis Penner

Internal MedicineLos Gatos, CAI

MEDICARE UTILIZATION · PART B · 2024

No data available for this provider in 2024.

PRESCRIBING · PART D · 2024

Total Rx claims

195

Beneficiaries

—

Total drug cost

$3K

Distinct drugs

Brand share

0.0%

Top prescribed drugs

Atorvastatin Calcium46 claims

Levothyroxine Sodium30 claims

Amlodipine Besylate26 claims

Losartan Potassium25 claims

Rosuvastatin Calcium16 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 Dennis Penner'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
GOOD SAMARITAN HOSPITAL, L.P.	113	403
NPI 1447682380	89	423
Ronald Rossen Interventional Cardiology · San Jose, CA	17	181
Matthew Tran Diagnostic Radiology · San Jose, CA	17	52
Cynthia Sigler Diagnostic Radiology · San Jose, CA	16	30
Judong Pan Diagnostic Radiology · San Francisco, CA	16	39
Ryan Basham Ophthalmology · Los Gatos, CA	14	26
Christopher Schmidt Dermatology · Los Gatos, CA	12	21
Nathaniel Cohen Orthopedic Surgery · Los Gatos, CA	11	25
SILVERSTEIN, DAVID	11	17

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

Healthparse Signals

Monitor this provider for changes — dated NPI change events