PROVIDER PROFILE · NPI 1528046430

Lawrence ChangM.D.

Internal MedicineSan Clemente, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

721

Unique beneficiaries

—

Total services

1,172

Distinct HCPCS

Medicare payment

$96K

Peer benchmark

Total Medicare services vs. 10,499 Internal Medicine providers in CA — above median (cohort median 531).

PRESCRIBING · PART D · 2024

Total Rx claims

6,768

Beneficiaries

—

Total drug cost

$391K

Distinct drugs

126

Brand share

18.8%

Top prescribed drugs

Atorvastatin Calcium368 claims

Levothyroxine Sodium364 claims

Amlodipine Besylate216 claims

Simvastatin186 claims

Azithromycin145 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$559

Payment records

By payment type

Food and Beverage$559

REFERRAL NETWORK

Where Lawrence Chang'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). 12 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
SADDLEBACK MEMORIAL MEDICAL CENTER	155	611
Unilab Corporation Clinical Laboratory · West Hills, CA	28	66
Elliott Fankuchen Diagnostic Radiology · Laguna Beach, CA	16	58
Roger Green Dermatology · San Clemente, CA	16	38
Gabriel Carabulea Hematology-Oncology · San Clemente, CA	14	90
Savak Teymoorian Ophthalmology · Laguna Hills, CA	13	35
Mahsa Abdollahi Dermatology · Laguna Hills, CA	12	36
REENDERS, DAVID	11	79
Inchel Yeam Pulmonary Disease · San Juan Capistrano, CA	11	56
Jeffrey Dym Diagnostic Radiology · Laguna Niguel, CA	11	41
SUTHERLAND, JAMES	11	29
SALTZMAN, RONALD	11	39

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