PROVIDER PROFILE · NPI 1609848969

Tom ChangMD

PRACTICETRILOGY EYE MEDICAL GROUP INCSee all providers at this practice →

OphthalmologyPasadena, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

2,275

Unique beneficiaries

—

Total services

15,047

Distinct HCPCS

Medicare payment

$1.9M

Peer benchmark

Total Medicare services vs. 2,144 Ophthalmology providers in CA — top quintile (cohort median 1,859).

PRESCRIBING · PART D · 2024

Total Rx claims

982

Beneficiaries

—

Total drug cost

$46K

Distinct drugs

Brand share

17.0%

Top prescribed drugs

Latanoprost463 claims

Dorzolamide Hcl/Timolol Maleat145 claims

Prednisolone Acetate90 claims

Timolol Maleate66 claims

Brimonidine Tartrate52 claims

QUALITY · MIPS · 2024

Final MIPS score

75.0

Quality

0.0

Cost

0.0

Improvement activities

0.0

Promoting interop.

0.0

Payment adjustment

0.00%

Individual

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$258

Payment records

By payment type

Food and Beverage$174

Travel and Lodging$84

REFERRAL NETWORK

Where Tom 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). 10 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
EISENHOWER MEDICAL CENTER	109	370
Unilab Corporation Clinical Laboratory · West Hills, CA	82	232
Primex Clinical Laboratories Inc. Clinical Laboratory · Van Nuys, CA	35	111
PASADENA HOSPITAL ASSOCIATION, LTD	31	78
POMONA VALLEY HOSPITAL MEDICAL CENTER	21	53
Reid Wainess Ophthalmology · Arcadia, CA	18	31
San Gabriel Ambulatory Surgery Center, Lp Ambulatory Surgical Center · Arcadia, CA	17	37
Albert Baktanian Ophthalmology · Glendale, CA	15	24
Renaissance Asc, Llc Ambulatory Surgical Center · Palm Desert, CA	12	19
Joshua Morrison-Reyes Ophthalmology · Escondido, CA	12	34

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