What is John Campbell's specialty?

John Campbell (NPI 1255598041) is a Medicare-billing provider whose primary specialty is Ophthalmology in Portland, OR.

Where does John Campbell practice?

John Campbell practices in Portland, OR, based on the location reported in the CMS Medicare provider datasets for NPI 1255598041.

How much does Medicare pay John Campbell?

John Campbell (NPI 1255598041) received approximately $965K in total Medicare Part B payments, serving 358 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1255598041

John CampbellM.D., M.P.H

OphthalmologyPortland, ORI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,209

Unique beneficiaries

—

Total services

16,559

Distinct HCPCS

Medicare payment

$941K

Peer benchmark

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

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$717

Distinct drugs

Brand share

44.4%

Top prescribed drugs

Ketorolac Tromethamine15 claims

Dorzolamide Hcl/Timolol Maleat12 claims

QUALITY · MIPS · 2024

Final MIPS score

99.1

Quality

84.3

Cost

0.0

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

1.01%

APM Entity

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$134

Payment records

By payment type

Food and Beverage$134

Top paying entities

Food and Beverage$134

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (1)

CCN 380009

Hospital

REFERRAL NETWORK

Where John Campbell'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). 1 inbound referrers · 8 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Jessica Chang Ophthalmology · Los Angeles, CA	13	24

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
THE JOHNS HOPKINS HOSPITAL	184	869
Eric Singman Ophthalmology · Baltimore, MD	34	76
Connie Chen Ophthalmology · Issaquah, WA	26	90
Peter Gehlbach Ophthalmology · Baltimore, MD	24	66
Fasika Woreta Ophthalmology · Miami, FL	16	44
Ian Han Ophthalmology · Iowa City, IA	14	53
Richard Rivers Anesthesiology · Baltimore, MD	11	21
Laboratory Corporation Of America Holdings Clinical Laboratory · Raritan, NJ	11	23

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