PROVIDER PROFILE · NPI 1548384167

Karen SimonM.D.

GastroenterologyOxnard, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,656

Unique beneficiaries

—

Total services

3,591

Distinct HCPCS

Medicare payment

$233K

Peer benchmark

Total Medicare services vs. 1,398 Gastroenterology providers in CA — top quintile (cohort median 750).

PRESCRIBING · PART D · 2024

Total Rx claims

566

Beneficiaries

—

Total drug cost

$197K

Distinct drugs

Brand share

31.1%

Top prescribed drugs

Pantoprazole Sodium95 claims

Omeprazole83 claims

Mesalamine39 claims

Dicyclomine Hcl38 claims

Diphenoxylate Hcl/Atropine36 claims

QUALITY · MIPS · 2024

Final MIPS score

100.0

Quality

20.9

Cost

75.6

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

1.05%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$2K

Payment records

By payment type

Food and Beverage$2K

Education$20

REFERRAL NETWORK

Where Karen Simon'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). 81 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Unilab Corporation Clinical Laboratory · West Hills, CA	181	547
DIGNITY HEALTH	169	402
DIGNITY HEALTH	157	406
Channel Islands Surgicenter Lp Ambulatory Surgical Center · Oxnard, CA	117	158
Sukhpreet Walia Gastroenterology · Oxnard, CA	104	309
Marlon Black Diagnostic Radiology · Santa Barbara, CA	82	201
THEURER, WILLIAM	77	166
Micha Rojany Gastroenterology · Sacramento, CA	73	173
Sean Freyne Diagnostic Radiology · Fargo, ND	69	164
William Deruso Diagnostic Radiology · Santa Barbara, CA	66	221
Nicholas Hanson Diagnostic Radiology · Salem, OR	51	99
COMMUNITY MEMORIAL HEALTH SYSTEM	50	124

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