What is Mark Johnson's specialty?

Mark Johnson (NPI 1578658746) is a Medicare-billing provider whose primary specialty is Physician Assistant in La Jolla, CA.

Where does Mark Johnson practice?

Mark Johnson practices in La Jolla, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1578658746.

How much does Medicare pay Mark Johnson?

Mark Johnson (NPI 1578658746) received approximately $19K in total Medicare Part B payments, serving 127 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

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

Top paying entities

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

Healthparse Signals

Monitor this provider for changes — dated NPI change events