Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. CHRISTINE RYU MD
NPI 1821615808
Ophthalmology in Lake Oswego, OR

Q: What is Christine Ryu's NPI number?

The NPI number for Christine Ryu is 1821615808. It was assigned to this individual provider in the NPPES registry on June 25, 2020.

Q: What is Christine Ryu's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Q: When was this NPI record last updated?

The NPPES record for Christine Ryu was last updated on August 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since June 25, 2020PECOS EnrolledAccepts Medicare Assignment

9 MONROE PKWY STE 160, LAKE OSWEGO, OR 97035(503) 636-2551(503) 363-3055 Get Directions Write a Review

NPPES record last updated: August 12, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Aug 12, 2026, Jul 2, 2024, Jun 25, 2020 (3 updates tracked since 2020).

On this page

About Dr. Christine Ryu Md NPPES

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

DR. CHRISTINE RYU MD (NPI 1821615808) is an individual ophthalmology provider in Lake Oswego, Oregon, licensed in Oregon (MD229531) and active in the NPI registry since June 2020. She is enrolled in Medicare PECOS, is affiliated with Barnes Jewish Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1821615808

Entity TypeIndividualFemale

Primary Taxonomy207W00000X

Provider Legal NameDR. CHRISTINE RYUCredential: MD

Location Address9 MONROE PKWY STE 160Lake Oswego, OR 97035-8863

Mailing Address9 Monroe Pkwy Ste 160Lake Oswego, OR 97035-8863 · (503) 636-2551 · Fax (503) 636-3055

Phone(503) 636-2551

Fax(503) 363-3055

Sole ProprietorNo

Medical School CMSUniversity Of Southern California Keck School Of MedicineGraduated 2020

Enumeration DateJune 25, 2020

Last NPPES UpdateAugust 12, 20263 updates tracked since enumeration

NPPES CertifiedAugust 12, 2026

✔ NPI 1821615808 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians

Taxonomy Code207W00000X

License✔ Licensed in OR · MD229531

Definition

An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.

Also ListedOphthalmology · Ophthalmic Plastic and Reconstructive SurgeryTaxonomy 207WX0200X · License 2024012069 (MO)

9 MONROE PKWY STE 160, Lake Oswego, OR 97035

Open in Google Maps ↗

Secondary Practice Locations 2

Location 1915 N Grand BlvdSaint Louis, MO 63106-1621 · Phone (314) 912-6479

Location 29135 SW Barnes Rd Ste 961Portland, OR 97225-6699 · Phone (503) 292-0848

Other Identifiers 1

Medicaid200142568MO

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Cox HealthPlans.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

Dr. Christine Ryu Md 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 ID1153735626

PECOS Enrollment IDI20240708003507

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.

Hospital Affiliations CMS Care Compare

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

Barnes Jewish Hospital

Acute Care Hospitals · Saint Louis, MO

4/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number260032

LocationOne Barnes-Jewish Hospital PlazaSaint Louis, MO 63110 · St. Louis City County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97035 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.

Other Providers at the Same Location NPPES 7

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

DR. JACQUELINE KA-WAN NG M.D.

Ophthalmology