PROVIDER PROFILE · NPI 1629305131

Aiyin ChenM.D.

PRACTICEOREGON HEALTH & SCIENCE UNIVERSITYSee all providers at this practice →

OphthalmologyPortland, ORI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

417

Unique beneficiaries

—

Total services

574

Distinct HCPCS

Medicare payment

$20K

Peer benchmark

Total Medicare services vs. 263 Ophthalmology providers in OR — bottom quintile (cohort median 1,671).

PRESCRIBING · PART D · 2024

Total Rx claims

1,309

Beneficiaries

—

Total drug cost

$93K

Distinct drugs

Brand share

37.2%

Top prescribed drugs

Latanoprost282 claims

Dorzolamide Hcl/Timolol Maleat216 claims

Prednisolone Acetate143 claims

Brimonidine Tartrate143 claims

Brimonidine Tartrate/Timolol51 claims

QUALITY · MIPS · 2024

Final MIPS score

99.1

Quality

84.3

Cost

0.0

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

1.01%

APM Entity

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$130

Payment records

By payment type

Food and Beverage$130

REFERRAL NETWORK

Where Aiyin Chen'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
Quest Diagnostics Incorporated Clinical Laboratory · Las Vegas, NV	150	418
Box Canyon Surgery Center Llc Ambulatory Surgical Center · Las Vegas, NV	143	241
Christian Garaycochea Anesthesiology · Las Vegas, NV	54	70
Jefferson Langford Optometry · Las Vegas, NV	18	24
Stuart Weichers Anesthesiology · Henderson, NV	18	23
Irene Voo Ophthalmology · Las Vegas, NV	17	57
Clinical Pathology Laboratories, Inc. Clinical Laboratory · Austin, TX	16	26
SUNRISE MOUNTAINVIEW HOSPITAL, INC.	12	18

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