PROVIDER PROFILE · NPI 1578658746

Mark JohnsonPA-C

Physician AssistantLa Jolla, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

139

Unique beneficiaries

—

Total services

142

Distinct HCPCS

Medicare payment

$15K

Peer benchmark

Total Medicare services vs. 7,073 Physician Assistant providers in CA — below median (cohort median 224).

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$181

Distinct drugs

Brand share

54.2%

Top prescribed drugs

Amoxicillin/Potassium Clav13 claims

Oxycodone Hcl11 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$153

Payment records

By payment type

Education$137

Food and Beverage$16

REFERRAL NETWORK

Where Mark Johnson'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). 5 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Andrew Cooperman Orthopedic Surgery · Oceanside, CA	34	131
Sean Pinnell Diagnostic Radiology · Vista, CA	20	23
BOBZIEN, BONNIE	17	25
Christopher Hajnik Orthopedic Surgery · Encinitas, CA	16	53
William Kakimoto Diagnostic Radiology · La Jolla, CA	12	16

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