What is Aiyin Chen's specialty?

Aiyin Chen (NPI 1629305131) is a Medicare-billing provider whose primary specialty is Ophthalmology in Portland, OR.

Where does Aiyin Chen practice?

Aiyin Chen practices in Portland, OR, based on the location reported in the CMS Medicare provider datasets for NPI 1629305131.

How much does Medicare pay Aiyin Chen?

Aiyin Chen (NPI 1629305131) received approximately $43K in total Medicare Part B payments, serving 123 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

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

Top paying entities

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