Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Won Hyung Ryu, MD

Individual provider Neurological Surgery Physician · NPI 1043872492

Won Hyung Ryu, MD practises Neurosurgery in Portland, Oregon. Qualified in 2012, 14 years ago. Practices with University Professional Services, a 1,704-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Illinois and Oregon.

Years since qualifying
14
Licensed in
IL, OR
In the registry since
2019
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

3303 S Bond Ave
Portland, OR 97239-4501
Phone: (503) 494-4314
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Neurological Surgery Physician (primary) Taxonomy 207T00000X · Licence MD200041 (OR)
Neurological Surgery Physician Taxonomy 207T00000X · Licence 036.148255 (IL)

Record details

NPI number1043872492
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 7, 2019
Last updated in NPPESSeptember 30, 2020
Certification dateSeptember 30, 2020

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNEUROSURGERY
Medical schoolOTHER
Graduated 2012 (14 years in practice)
Group practice University Professional Services — 1704 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Procedures

From CMS Care Compare, which counts the procedures a clinician billed to Original Medicare and Medicare Advantage over a recent 12-month period. CMS reports a fixed list of common procedures, so this is not everything the clinician does. Counts of 10 or fewer are given as a range, because CMS withholds small numbers.

Spinal fusion 75 times · 66th percentile
Laminectomy or laminotomy (partial removal of spine bones) 14 times · 40th percentile

The percentile compares how often this clinician performed the procedure with other clinicians who performed it, as CMS calculates it. It measures volume, not outcomes or skill.

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients128
Services billed 263 a service is one billed item, such as a visit, a test or a procedure
Average patient age74

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician. Those with a page here are linked.

Colleagues at University Professional Services

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 1704 clinicians in the practice; 12 are shown here.

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