PROVIDER PROFILE · NPI 1588862320

John KarthM.D.

OphthalmologyEugene, ORI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

4,153

Unique beneficiaries

—

Total services

122,285

Distinct HCPCS

Medicare payment

$5.2M

Peer benchmark

Total Medicare services vs. 263 Ophthalmology providers in OR — top quintile (cohort median 1,671).

PRESCRIBING · PART D · 2024

Total Rx claims

887

Beneficiaries

—

Total drug cost

$48K

Distinct drugs

Brand share

24.7%

Top prescribed drugs

Ofloxacin127 claims

Prednisolone Acetate123 claims

Neomycin/Polymyxin B/Dexametha118 claims

Ketorolac Tromethamine110 claims

Bromfenac Sodium85 claims

QUALITY · MIPS · 2024

Final MIPS score

93.7

Quality

86.8

Cost

86.4

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.78%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$569

Payment records

By payment type

Food and Beverage$569

REFERRAL NETWORK

Where John Karth'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). 37 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
MERCY MEDICAL CENTER, INC.	121	551
PEACEHEALTH	101	254
BAY AREA HOSPITAL DISTRICT	50	220
Oregon Eye Surgery Center, Inc. Ambulatory Surgical Center · Eugene, OR	40	78
PEACEHEALTH	27	87
Quest Diagnostics Clinical Laboratories Inc Clinical Laboratory · Seattle, WA	25	74
Laboratory Corporation Of America Clinical Laboratory · Seattle, WA	25	53
Jon Kintner Ophthalmology · North Bend, OR	23	53
Robert Gunderman Diagnostic Radiology · Springfield, OR	23	49
Bradley Seely Ophthalmology · Roseburg, OR	22	49
Patrick Gregg Ophthalmology · Roseburg, OR	20	53
Neil Kumar Nephrology · Roseburg, OR	19	88

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