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PROVIDER PROFILE · NPI 1083622773

Mark JohnsonMD

PRACTICEREGENTS OF THE UNIVERSITY OF MICHIGANSee all providers at this practice →
OphthalmologyAnn Arbor, MII
CROSS-REFERENCE

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OIG/SAM exclusion screening, sanctions history
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QUALITY · MIPS · 2024
No data available for this provider in 2024.
FACILITY AFFILIATIONS

Hospital & Facility Affiliations (1)

CCN 230046
Hospital
PRESCRIBING · PART D · 2024
Total Rx claims
52
Beneficiaries
—
Total drug cost
$2K
Distinct drugs
3
Brand share
0.0%
Top prescribed drugs
Prednisolone Acetate23 claims
Timolol Maleate15 claims
Ketorolac Tromethamine14 claims
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). 3 inbound referrers · 7 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
REGENTS OF THE UNIVERSITY OF MICHIGAN3061,700
REGENTS OF THE UNIVERSITY OF MICHIGAN31130
QUEST DIAGNOSTICS INCORPORATED MI1330
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
REGENTS OF THE UNIVERSITY OF MICHIGAN121824
REGENTS OF THE UNIVERSITY OF MICHIGAN94345
REGENTS OF THE UNIVERSITY OF MICHIGAN32126
ST JOSEPH MERCY HOSPITAL2485
QUEST DIAGNOSTICS INCORPORATED MI1949
Shahzad Mian
Ophthalmology · Ann Arbor, MI
1286
Devon Ghodasra
Ophthalmology · Hixson, TN
1134
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.
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
471
Unique beneficiaries
—
Total services
704
Distinct HCPCS
8
Medicare payment
$33K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 608 Ophthalmology providers in MI — below median (cohort median 1,582).
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.