PROVIDER PROFILE · NPI 1659376606

John HsiehM.D.

PRACTICECOAST NEPHROLOGY MEDICAL GROUP INC.See all providers at this practice →

NephrologyLong Beach, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,217

Unique beneficiaries

—

Total services

2,855

Distinct HCPCS

Medicare payment

$174K

Peer benchmark

Total Medicare services vs. 985 Nephrology providers in CA — top quintile (cohort median 1,482).

PRESCRIBING · PART D · 2024

Total Rx claims

2,690

Beneficiaries

—

Total drug cost

$707K

Distinct drugs

Brand share

29.7%

Top prescribed drugs

Dapagliflozin Propanediol233 claims

Amlodipine Besylate175 claims

Calcitriol118 claims

Losartan Potassium118 claims

Irbesartan116 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$923

Payment records

By payment type

Food and Beverage$881

Education$42

REFERRAL NETWORK

Where John Hsieh'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). 69 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Essam Maasarani Nephrology · Long Beach, CA	100	939
DIGNITY HEALTH	93	503
Unilab Corporation Clinical Laboratory · West Hills, CA	76	371
Ammar Istwani Diagnostic Radiology · Long Beach, CA	59	390
Rafael Jimenez Riveros Diagnostic Radiology · Richmond, VA	58	562
SPECTRA LABORATORIES INC	58	783
Bassam Zahlan Diagnostic Radiology · Long Beach, CA	57	570
Arnold Rappoport Diagnostic Radiology · Long Beach, CA	57	521
CURTIS, ERNEST	56	460
Ameera Ismail Diagnostic Radiology · Los Angeles, CA	48	622
John Issa Hospitalist · Long Beach, CA	43	906
NPI 1336152008	41	1,524

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