What is John Campbell's specialty?

John Campbell (NPI 1902824667) is a Medicare-billing provider whose primary specialty is Pathology in San Diego, CA.

Where does John Campbell practice?

John Campbell practices in San Diego, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1902824667.

How much does Medicare pay John Campbell?

John Campbell (NPI 1902824667) received approximately $489K in total Medicare Part B payments, serving 3,316 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1902824667

John CampbellM.D.

PathologySan Diego, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

4,016

Unique beneficiaries

—

Total services

7,223

Distinct HCPCS

Medicare payment

$489K

Peer benchmark

Total Medicare services vs. 1,209 Pathology providers in CA — top quintile (cohort median 1,423).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

Final MIPS score

50.0

Quality

100.0

Cost

0.0

Improvement activities

0.0

Promoting interop.

0.0

Payment adjustment

-3.00%

Individual

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

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). 26 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Nancy Chen Dermatology · Escondido, CA	160	292
Unilab Corporation Clinical Laboratory · West Hills, CA	70	116
Shinko Lin Dermatology · La Mesa, CA	64	112
PALOMAR HEALTH	55	75
PALOMAR HEALTH	46	65
GROSS, KENNETH	40	87
Peter Rullan Dermatology · Chula Vista, CA	39	55
Vanessa London Dermatology · Philadelphia, PA	33	41
REGENTS OF THE UNIVERSITY OF CALIFORNIA	31	85
Jennifer Rullan Dermatology · Chula Vista, CA	30	53
Mark Willoughby Dermatology · Chula Vista, CA	29	45
Susan Mckim Physician Assistant · La Jolla, CA	24	51

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