PROVIDER PROFILE · NPI 1699784934

Alan ChangM.D.

Internal MedicineEscondido, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

591

Unique beneficiaries

—

Total services

919

Distinct HCPCS

Medicare payment

$101K

Peer benchmark

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

PRESCRIBING · PART D · 2024

Total Rx claims

12,955

Beneficiaries

—

Total drug cost

$937K

Distinct drugs

188

Brand share

21.6%

Top prescribed drugs

Atorvastatin Calcium590 claims

Amlodipine Besylate578 claims

Levothyroxine Sodium524 claims

Rosuvastatin Calcium371 claims

Apixaban339 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$817

Payment records

By payment type

Food and Beverage$817

REFERRAL NETWORK

Where Alan 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). 16 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
PALOMAR HEALTH	39	202
SHARP MEMORIAL HOSPITAL	34	82
SAN DIEGO MEDICAL SERVICES ENTERPRISE, LLC	26	115
Robert Lavigne Physician Assistant · San Diego, CA	19	45
FISCALE, LAUREN	18	30
PALOMAR HEALTH	17	94
POMERADO OPERATIONS, LLC	17	49
NPI 1245331230	15	45
Max Laufer Inc. Ambulance Service Provider · Lemon Grove, CA	15	133
Amir Hajimirsadeghi Podiatry · San Diego, CA	13	54
KOERNER-JORDAN, SARAH	13	95
Timothy Strouse Internal Medicine · Chula Vista, CA	12	15

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