What is Lawrence Chang's specialty?

Lawrence Chang (NPI 1528046430) is a Medicare-billing provider whose primary specialty is Internal Medicine in San Clemente, CA.

Where does Lawrence Chang practice?

Lawrence Chang practices in San Clemente, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1528046430.

How much does Medicare pay Lawrence Chang?

Lawrence Chang (NPI 1528046430) received approximately $97K in total Medicare Part B payments, serving 273 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

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

Top paying entities

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