PROVIDER PROFILE · NPI 1689602500

Mark PennerDO

PRACTICEOCONNOR HOSPITALSee all providers at this practice →

Emergency MedicineSan Jose, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

548

Unique beneficiaries

—

Total services

566

Distinct HCPCS

Medicare payment

$52K

Peer benchmark

Total Medicare services vs. 5,287 Emergency Medicine providers in CA — above median (cohort median 355).

PRESCRIBING · PART D · 2024

Total Rx claims

216

Beneficiaries

—

Total drug cost

$2K

Distinct drugs

Brand share

26.4%

Top prescribed drugs

Ondansetron45 claims

Famotidine38 claims

Celecoxib28 claims

Cefdinir20 claims

Prednisone20 claims

QUALITY · MIPS · 2024

Final MIPS score

61.0

Quality

59.4

Cost

71.5

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

-1.68%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where Mark 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). 11 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
GRIFFIN, CHARLES	125	294
Vineet Sharma Diagnostic Radiology · Fremont, CA	106	183
David Hyun Cardiology · San Jose, CA	45	80
Dae-Wook Kang Internal Medicine · San Jose, CA	38	124
COUNTY OF SANTA CLARA	38	96
Royal Ambulance Inc. Ambulance Service Provider · San Leandro, CA	32	67
FARR, SARA	19	30
SAN JOSE HEALTHCARE SYSTEM, L.P.	16	44
GOOD SAMARITAN HOSPITAL, L.P.	13	23
Alexander Doan Nephrology · San Jose, CA	12	51
Sharad Dass Pulmonary Disease · San Jose, CA	12	25

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