PROVIDER PROFILE · NPI 1952463762

Gregory Johnson

Internal MedicineThousand Oaks, CAI

MEDICARE UTILIZATION · PART B · 2024

No data available for this provider in 2024.

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where Gregory 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). 55 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
LOS ROBLES REGIONAL MEDICAL CENTER	452	2,635
Specialty Surgical Center Of Westlake Village, Llc Ambulatory Surgical Center · Westlake Village, CA	380	730
Unilab Corporation Clinical Laboratory · West Hills, CA	165	598
David Lowe Anesthesiology · Westlake Village, CA	127	210
Sanjiv Sheel Diagnostic Radiology · Edina, MN	94	374
David Aufrichtig Diagnostic Radiology · Thousand Oaks, CA	85	383
Jason Lee Diagnostic Radiology · Thousand Oaks, CA	77	266
Monica Amantia Diagnostic Radiology · Studio City, CA	76	324
Barry Klein Diagnostic Radiology · Thousand Oaks, CA	67	238
Catherine Moses Diagnostic Radiology · Thousand Oaks, CA	65	235
Nivedita Wallace Anesthesiology · Oxnard, CA	53	86
ERMAN, RUSS	48	121

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