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PROVIDER PROFILE · NPI 1205803418

Mark JohnsonMD

OphthalmologyVenice, FLI
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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QUALITY · MIPS · 2024
Final MIPS score
75.0
Quality
0.0
Cost
70.4
Improvement activities
0.0
Promoting interop.
0.0
Payment adjustment
0.00%
Individual
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$253
Payment records
5
By payment type
Food and Beverage$253
PRESCRIBING · PART D · 2024
Total Rx claims
1,778
Beneficiaries
—
Total drug cost
$161K
Distinct drugs
13
Brand share
45.8%
Top prescribed drugs
Erythromycin Base492 claims
Latanoprost351 claims
Neomycin/Polymyxin B/Dexametha166 claims
Timolol Maleate130 claims
Ketorolac Tromethamine125 claims
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
3,817
Unique beneficiaries
—
Total services
4,253
Distinct HCPCS
17
Medicare payment
$286K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 1,263 Ophthalmology providers in FL — above median (cohort median 2,598).
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). 57 inbound referrers · 115 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
SARASOTA COUNTY PUBLIC HOSPITAL DISTRICT135245
Phillip Mihm
Diagnostic Radiology · Venice, FL
3955
Laboratory Corporation Of America
Clinical Laboratory · Tampa, FL
3754
VIHLEN, ERIC3652
Martha Gaudiel
Certified Registered Nurse Anesthetist (CRNA) · Port Charlotte, FL
3467
Michael Katz
Podiatry · Venice, FL
3441
Ravi Kondapalli
Gastroenterology · Venice, FL
3249
Ki Hassler
Cardiology · Venice, FL
2766
Eric Lough
Internal Medicine · Venice, FL
2660
BAGA, MELECITO2630
Michael Basnight
Cardiology · Venice, FL
2546
William Mehserle
Orthopedic Surgery · Venice, FL
2339
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
VENICE HMA LLC241406
Surgicare Of St Andrews Ltd
Ambulatory Surgical Center · Venice, FL
2341,064
SARASOTA COUNTY PUBLIC HOSPITAL DISTRICT167284
Quest Diagnostics Clinical Laboratories Inc
Clinical Laboratory · Tampa, FL
103168
Eugenio Erquiaga
Diagnostic Radiology · Tulsa, OK
4765
Helen Paquin
Certified Registered Nurse Anesthetist (CRNA) · Punta Gorda, FL
46177
VIHLEN, ERIC4055
John Neily
Dermatology · Venice, FL
3877
Ki Hassler
Cardiology · Venice, FL
3868
Daniel Mccurdy
Certified Registered Nurse Anesthetist (CRNA) · Sarasota, FL
37141
Christopher Jefferson
Family Practice · Venice, FL
36101
BAGA, MELECITO3544
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.