PROVIDER PROFILE · NPI 1588650667

John GilbertM.D.

EndocrinologyFullerton, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,317

Unique beneficiaries

—

Total services

2,054

Distinct HCPCS

Medicare payment

$123K

Peer benchmark

Total Medicare services vs. 633 Endocrinology providers in CA — top quintile (cohort median 1,164).

PRESCRIBING · PART D · 2024

Total Rx claims

10,972

Beneficiaries

—

Total drug cost

$3.4M

Distinct drugs

102

Brand share

41.7%

Top prescribed drugs

Levothyroxine Sodium1,122 claims

Metformin Hcl581 claims

Semaglutide562 claims

Atorvastatin Calcium543 claims

Dapagliflozin Propanediol490 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$39K

Payment records

113

By payment type

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$31K

Consulting Fee$3K

Food and Beverage$3K

Travel and Lodging$2K

Top paying entities

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$31K

Consulting Fee$3K

Food and Beverage$3K

Travel and Lodging$2K

REFERRAL NETWORK

Where John Gilbert'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). 22 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Victor Lee Pathology · Oceanside, CA	442	1,259
ST JUDE HOSPITAL INC	255	638
Unilab Corporation Clinical Laboratory · West Hills, CA	58	173
Hao Ngo Diagnostic Radiology · Fullerton, CA	35	64
Danh Nguyen Diagnostic Radiology · Riverside, CA	31	54
STAMBUK, EDGAR	31	63
UNGER, PHILLIP	28	40
Ramesh Rathod Interventional Cardiology · Fullerton, CA	25	53
Bradley Jackson Diagnostic Radiology · Fullerton, CA	25	47
Charles Suh Interventional Cardiology · Fullerton, CA	20	30
Eugene Byun Cardiology · Fullerton, CA	20	55
Samuel Maxwell Diagnostic Radiology · Fullerton, CA	19	37

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