AIYIN CHEN M.D.
NPI 1629305131
Ophthalmology - Glaucoma Specialist in Portland, OR

Active since November 05, 2009PECOS EnrolledAccepts Medicare Assignment
97.83/100
CMS Quality Rating
3303 SW BOND AVE, PORTLAND, OR 97239(503) 494-3000(503) 418-0843 Get Directions Write a Review

NPPES record last updated: July 21, 2022. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jul 21, 2022, Oct 19, 2017, Aug 23, 2017 (3 updates tracked since 2017).

About Aiyin Chen M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

AIYIN CHEN M.D. (NPI 1629305131) is an individual glaucoma specialist in Portland, Oregon, licensed in Oregon (182243) and active in the NPI registry since November 2009. She is enrolled in Medicare PECOS, is affiliated with Ohsu Hospital And Clinics, and is a graduate of University Of California, San Francisco School Of Medicine (2008).

NPPES Registry Identity

NPI1629305131
Entity TypeIndividualFemale
Primary Taxonomy207WX0009X
Provider Legal NameAIYIN CHENCredential: M.D.
Location Address3303 SW BOND AVEPortland, OR 97239-4501
Mailing Address3303 Sw Bond AvePortland, OR 97239-4501 · (503) 494-3000 · Fax (503) 418-0843
Fax(503) 418-0843
Sole ProprietorNo
Medical School CMSUniversity Of California, San Francisco School Of MedicineGraduated 2008
Enumeration DateNovember 5, 2009
Last NPPES UpdateJuly 21, 20223 updates tracked since enumeration
NPI 1629305131 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyOphthalmology · Glaucoma SpecialistAllopathic & Osteopathic Physicians
Taxonomy Code207WX0009X
License Licensed in OR · 182243
Definition
An ophthalmologist who specializes in the treatment of glaucoma and other disorders related to increased intraocular pressure and optic nerve damage. This specialty involves the medical and surgical treatment of these conditions.
Also ListedOphthalmologyTaxonomy 207W00000X · License 182243 (OR)
3303 SW BOND AVE, Portland, OR 97239

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Aiyin Chen M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2264697911
PECOS Enrollment IDI20170804002678
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 6

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
190 services99 patients
Exam of visual field with extended testing 92083
An extended visual field exam is a detailed test to evaluate your peripheral (side) vision. It helps to detect any potential blind spots which may not be noticeable in daily life. These could be caused by eye diseases like glaucoma, or neurological conditions.
95 services76 patients
Imaging of optic nerve 92133
Imaging of the optic nerve is a non-invasive procedure that captures detailed pictures of your optic nerve. It helps doctors assess eye health, particularly for conditions like glaucoma. It's painless, quick, and uses safe technology like MRI or OCT (Optical Coherence Tomography).
72 services70 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
42 services36 patients
Exam of the internal drainage system of eye 92020
This is a procedure where your doctor examines the eye's internal drainage system, essential for maintaining eye pressure. They use specialized tools to check for blockages or damage that might lead to conditions like glaucoma. It's non-invasive and painless.
33 services29 patients
Imaging of retina 92134
Imaging of the retina is a non-invasive procedure that captures detailed images of your eye's interior. This helps detect conditions like macular degeneration or retinal detachment. It's painless and takes only a few minutes.
12 services11 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Ohsu Hospital And Clinics

Acute Care Hospitals · Portland, OR
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number380009
Location3181 SW Sam Jackson Park RoadPortland, OR 97239 · Multnomah County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97239 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$134.16 typical visit price
range $58.99 – $176.88
Typical copayment $33.54 (range $14.74 – $44.22)
Most-billed visit code 99204
Established Patient
$73.28 typical visit price
range $19.32 – $144.79
Typical copayment $18.32 (range $4.83 – $36.19)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

97.83/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality80.97
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Dermatology
3303 SW BOND AVE
PORTLAND, OR 97239
Thoracic Surgery (Cardiothoracic Vascular Surgery)
3303 SW BOND AVE
PORTLAND, OR 97239
Physical Therapist (Neurology)
3303 SW BOND AVE
PORTLAND, OR 97239
Nurse Practitioner (Family)
3303 SW BOND AVE
PORTLAND, OR 97239
Registered Nurse (Ambulatory Care)
3303 SW BOND AVE
PORTLAND, OR 97239
Internal Medicine (Medical Oncology)
3303 SW BOND AVE, 7TH FLOOR
PORTLAND, OR 97239
Nurse Practitioner (Acute Care)
3303 SW BOND AVE
PORTLAND, OR 97239
Ophthalmology (Glaucoma Specialist)
3303 SW BOND AVE
PORTLAND, OR 97239

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Aiyin Chen's NPI number?

The NPI number for Aiyin Chen is 1629305131. It was assigned to this individual provider in the NPPES registry on November 5, 2009.

Where is Aiyin Chen located?

Aiyin Chen practices at 3303 SW Bond Ave, Portland, OR 97239. The listed phone number is (503) 494-3000.

What is Aiyin Chen's specialty?

The primary specialty registered for this NPI is Ophthalmology, specializing in Glaucoma Specialist, with taxonomy code 207WX0009X.

Is Aiyin Chen enrolled in Medicare?

Yes. Aiyin Chen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Aiyin Chen accept?

Health plans from BridgeSpan Health Company, Kaiser Permanente, Moda Health Plan, Inc., Providence Health Plan and Regence BlueCross BlueShield of Oregon list Aiyin Chen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Aiyin Chen affiliated with any hospitals?

According to CMS data, Aiyin Chen is affiliated with Ohsu Hospital And Clinics.

When was this NPI record last updated?

The NPPES record for Aiyin Chen was last updated on July 21, 2022. NPI Profile syncs with the weekly NPPES data releases published by CMS.