PROVIDER PROFILE · NPI 1962450031

Douglas ChangM.D

PRACTICEUCSDSee all providers at this practice →

Orthopedic SurgerySan Diego, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

896

Unique beneficiaries

—

Total services

1,221

Distinct HCPCS

Medicare payment

$79K

Peer benchmark

Total Medicare services vs. 1,921 Orthopedic Surgery providers in CA — above median (cohort median 1,100).

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$138

Distinct drugs

Brand share

0.0%

Top prescribed drugs

Gabapentin23 claims

QUALITY · MIPS · 2024

Final MIPS score

90.8

Quality

84.1

Cost

73.9

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.66%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where Douglas 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). 8 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
REGENTS OF THE UNIVERSITY OF CALIFORNIA	335	2,141
Brady Huang Diagnostic Radiology · San Diego, CA	54	150
Edward Smitaman Diagnostic Radiology · San Diego, CA	51	144
Evelyne Fliszar Diagnostic Radiology · San Diego, CA	38	117
Gregory Middleton Rheumatology · La Jolla, CA	18	80
Unilab Corporation Clinical Laboratory · West Hills, CA	16	48
Vinko Zlomislic Orthopedic Surgery · San Diego, CA	16	39
Richard Lin Orthopedic Surgery · Fountain Valley, CA	12	31

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