PROVIDER PROFILE · NPI 1487644613

Karl FukunagaMD

GastroenterologyTorrance, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

807

Unique beneficiaries

—

Total services

1,103

Distinct HCPCS

Medicare payment

$94K

Peer benchmark

Total Medicare services vs. 1,398 Gastroenterology providers in CA — above median (cohort median 750).

PRESCRIBING · PART D · 2024

Total Rx claims

997

Beneficiaries

—

Total drug cost

$425K

Distinct drugs

Brand share

40.3%

Top prescribed drugs

Omeprazole226 claims

Sodium, Potassium,mag Sulfates157 claims

Famotidine110 claims

Pantoprazole Sodium86 claims

Linaclotide54 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$717

Payment records

By payment type

Food and Beverage$697

Education$20

REFERRAL NETWORK

Where Karl Fukunaga'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). 9 inbound referrers · 11 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
TORRANCE MEMORIAL MEDICAL CENTER	115	322
PATHOLOGY, INC.	72	150
Torrance Endoscopy And Surgical Affiliates, Inc Ambulatory Surgical Center · Torrance, CA	72	118
Azam Riyaz Gastroenterology · Torrance, CA	67	114
Albert Grabb Diagnostic Radiology · Torrance, CA	19	35
Donny Baek Diagnostic Radiology · Los Angeles, CA	15	27
WEST COAST CLINICAL LABORATORIES, INC.	14	58
Westmed Ambulance Inc Ambulance Service Provider · Compton, CA	14	25
PO, JONATHAN	11	23

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
TORRANCE MEMORIAL MEDICAL CENTER	80	189
Laboratory Corporation Of America Clinical Laboratory · San Diego, CA	54	137
Azam Riyaz Gastroenterology · Torrance, CA	29	52
PATHOLOGY, INC.	26	49
PROVIDENCE HEALTH SYSTEM SOUTHERN CALIFORNIA	25	43
Torrance Endoscopy And Surgical Affiliates, Inc Ambulatory Surgical Center · Torrance, CA	21	33
Mitchell Sklar Diagnostic Radiology · Torrance, CA	15	37
PROVIDENCE HEALTH SYSTEM - SOUTHERN CALIFORNIA	14	19
David Stone Diagnostic Radiology · Torrance, CA	12	26
WEST COAST CLINICAL LABORATORIES, INC.	11	42
Albert Grabb Diagnostic Radiology · Torrance, CA	11	24

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