DR. LASZLO KAROLY SZIDONYA MD, PHD
NPI 1972064764
Radiology - Diagnostic Radiology in Portland, OR

Q: What is Laszlo Szidonya's NPI number?

The NPI number for Laszlo Szidonya is 1972064764. It was assigned to this individual provider in the NPPES registry on March 26, 2019.

Q: What is Laszlo Szidonya's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Q: When was this NPI record last updated?

The NPPES record for Laszlo Szidonya was last updated on April 1, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 months 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 March 26, 2019PECOS EnrolledAccepts Medicare Assignment

97.83/100

CMS Quality Rating

3181 SW SAM JACKSON PARK RD # L340, PORTLAND, OR 97239(503) 494-4511 Get Directions Write a Review

NPPES record last updated: April 1, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 1, 2025, Sep 13, 2022 (2 updates tracked since 2022).

On this page

About Dr. Laszlo Karoly Szidonya Md, Phd NPPES

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

DR. LASZLO KAROLY SZIDONYA MD, PHD (NPI 1972064764) is an individual diagnostic radiology provider in Portland, Oregon, licensed in Oregon (MD218483) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS, is affiliated with Ohsu Hospital And Clinics, and is a graduate of Other (2001).

NPPES Registry Identity

NPI1972064764

Entity TypeIndividualMale

Primary Taxonomy2085R0202X

Provider Legal NameDR. LASZLO KAROLY SZIDONYACredential: MD, PHD

Location Address3181 SW SAM JACKSON PARK RD # L340Portland, OR 97239-3011

Mailing Address3181 Sw Sam Jackson Park Rd # L340Portland, OR 97239-3011 · (503) 494-4511

Phone(503) 494-4511

Sole ProprietorNo

Medical School CMSOtherGraduated 2001

Enumeration DateMarch 26, 2019

Last NPPES UpdateApril 1, 20252 updates tracked since enumeration

NPPES CertifiedApril 1, 2025

✔ NPI 1972064764 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0202X

License✔ Licensed in OR · MD218483

Definition

A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.

Also ListedNuclear MedicineTaxonomy 207U00000X · License MD218483 (OR)

3181 SW SAM JACKSON PARK RD # L340, Portland, OR 97239

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Moda Health Plan, Inc..Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Laszlo Karoly Szidonya Md, Phd 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 ID8628486750

PECOS Enrollment IDI20230720002461

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.

Medicare Billing Reassignments

Medicare enrollment records show Laszlo Szidonya reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

University Professional Services

Same address

General Practice

3181 SW SAM JACKSON PARK RD
Portland, OR 97239

Reassigned Medicare billing, Oregon enrollment
2,212 clinicians in this Medicare group

NPI 1376709535 (503) 494-8311

Columbia Lutheran Charities

72 mi

Critical Access

550 22ND ST
Astoria, OR 97103

Reassigned Medicare billing, Oregon enrollment
Also billed through NPI 1134146939 (Oregon)
278 clinicians in this Medicare group

NPI 1700809761 (503) 338-7595

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 18

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.

Nuclear medicine study from skull base to mid-thigh with ct scan 78815

A nuclear medicine study from skull base to mid-thigh with a CT scan involves using a small amount of radioactive material and CT imaging to examine body tissues and organs. This helps detect any abnormalities by providing detailed images of the body's internal structure.

178 services171 patients

Nuclear medicine study whole body with ct scan 78816

A Nuclear Medicine Study with a CT Scan is a diagnostic procedure. It uses a small amount of radioactive substance and a CT scan to create detailed images of your body. These images help doctors diagnose, monitor, and treat various conditions.

65 services60 patients

Nuclear medicine study of bone and/or joint whole body 78306

A nuclear medicine study of bone and/or joint whole body involves injecting a small amount of radioactive material into your body. This material travels to your bones and emits energy. A special camera captures this energy, creating images of your bones to help identify any abnormalities.

60 services51 patients

Ct scan head or brain without contrast 70450

A CT scan of the head or brain without contrast is a non-invasive imaging procedure. It uses X-rays to create detailed pictures of your brain, skull, and other structures inside your head. It helps to detect conditions like strokes, tumors, or injuries. No dye (contrast) is used in this test.

59 services59 patients

Nuclear medicine study of brain with metabolic evaluation 78608

A nuclear medicine study of the brain with metabolic evaluation involves using a safe radioactive substance and special imaging to assess brain function. It helps identify changes in brain metabolism that can indicate certain disorders.

48 services47 patients

Radioactive drug therapy through a vein 79101

Radioactive drug therapy through a vein involves injecting a drug with radioactive properties into your bloodstream. This drug travels throughout your body, targeting and destroying harmful cells, such as cancer cells, while sparing healthy ones. It's a non-invasive procedure to treat certain diseases.

38 services28 patients

Nuclear medicine study, spect imaging with concurrent ct scan, 1 area or single acquisition, single day imaging 78830

A nuclear medicine study with SPECT and concurrent CT scan is a special imaging test. It uses a small amount of radioactive substance and advanced imaging techniques to create detailed pictures of your internal body structures. It aids in diagnosing and tracking the progress of treatment for various diseases.

29 services29 patients

Mri scan of brain before and after contrast 70553

An MRI scan of the brain, both before and after contrast, helps visualize different brain structures. Initially, images are taken without a contrast agent. Then, a safe dye is injected which helps highlight certain areas, providing clearer, more detailed images.

27 services27 patients

Nuclear medicine studies of heart muscle at rest and with stress and spect 78452

Nuclear medicine studies of the heart involve two parts: rest and stress. During rest, images are taken of your heart at ease. During stress, images are taken after exercise or medication-induced stress. SPECT is a special imaging technique providing 3D pictures of your heart, helping identify any issues.

20 services20 patients

Ct scan of blood vessels of head with contrast 70496

A CT scan of the head's blood vessels with contrast is a diagnostic procedure. A special dye (contrast) is injected into your body to make the blood vessels visible on the scan. This helps identify issues like blockages or abnormalities in your head's blood vessels.

16 services16 patients

Mri scan of brain without contrast 70551

An MRI scan of the brain without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to create detailed images of your brain. It helps in detecting abnormalities like tumors, stroke, inflammation, or infection.

16 services16 patients

Ct scan of upper spine without contrast 72125

A CT scan of the upper spine without contrast is a non-invasive imaging test that uses X-rays to capture detailed images of your neck and upper back. It helps in identifying issues like fractures, tumors, or infections. No dye (contrast) is used in this scan.

14 services14 patients

Nuclear medicine study, spect imaging with concurrent ct scan, at least 2 areas or separate acquisitions, single day imaging, or single area or acquisition over multiple days 78832

A nuclear medicine study with SPECT and concurrent CT scan is a diagnostic procedure. It involves the use of a small amount of radioactive substance and imaging techniques to visualize and assess the function of different body areas. It provides detailed images and data to aid in diagnosis and treatment planning.

14 services12 patients

Ct scan of blood vessels of neck with contrast 70498

A CT scan of the neck's blood vessels with contrast is a diagnostic procedure. It uses X-rays and a special dye to create detailed images of your neck's blood vessels. This helps doctors detect issues such as blockages or abnormalities.

13 services13 patients

Ct scan of middle spine without contrast 72128

A CT scan of the middle spine without contrast is a non-invasive imaging test. It uses X-rays to create detailed pictures of your mid-spine area. This scan helps doctors identify issues like fractures, tumors, or infections. No dye is used in this procedure.

13 services13 patients

Mri scan of lower spinal canal without contrast 72148

An MRI scan of the lower spinal canal without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to produce detailed images of your lower spine. This helps identify issues like disc problems, tumors, or nerve conditions. No dye is used.

12 services12 patients

Nuclear medicine study, spect imaging, 1 area or single acquisition, single day imaging 78803

A nuclear medicine study with SPECT involves a safe, small amount of radioactive substance to help visualize body organs. SPECT, or Single Photon Emission Computed Tomography, creates detailed 3D images. This helps doctors diagnose and monitor conditions in a specific body area.

12 services12 patients

Ct scan of lower spine without contrast 72131

A CT scan of the lower spine without contrast is a non-invasive imaging test. It uses X-rays to create detailed images of your lower back area, helping to detect conditions like fractures, infections, or tumors. It's painless and generally quick.

11 services11 patients

Hospital Affiliations CMS Care Compare 3

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

Salem Hospital

Acute Care Hospitals · Salem, OR

4/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number380051

Location890 Oak Street, SESalem, OR 97301 · Marion County

Emergency services Birthing friendly

Adventist Health Portland

Acute Care Hospitals · Portland, OR

2/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number380060

Location10123 SE Market StreetPortland, OR 97216 · 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

$90.51 typical visit price

range $58.99 – $176.88

Typical copayment $22.62 (range $14.74 – $44.22)

Most-billed visit code 99203

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

Quality

80.97

Promoting Interoperability

100

Improvement Activities

Other Providers at the Same Location NPPES 3

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

NORA DOBOS MD

Radiology (Diagnostic Radiology)

3181 SW SAM JACKSON PARK RD # L340
PORTLAND, OR 97239

Multnomah County (503) 494-9000

MATTHEW BIRON MD

Radiology (Diagnostic Radiology)

3181 SW SAM JACKSON PARK RD # L340
PORTLAND, OR 97239

Multnomah County (503) 494-5601

KATHRYN BORDEN SNYDER M.D.

Radiology (Diagnostic Radiology)

3181 SW SAM JACKSON PARK RD # L340
PORTLAND, OR 97239

Multnomah County (503) 999-7435

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 Laszlo Szidonya's NPI number?

The NPI number for Laszlo Szidonya is 1972064764. It was assigned to this individual provider in the NPPES registry on March 26, 2019.

Where is Laszlo Szidonya located?

Laszlo Szidonya practices at 3181 SW Sam Jackson Park Rd # L340, Portland, OR 97239. The listed phone number is (503) 494-4511.

What is Laszlo Szidonya's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is Laszlo Szidonya enrolled in Medicare?

Yes. Laszlo Szidonya 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.

Which organizations bill Medicare for Laszlo Szidonya's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Laszlo Szidonya reassigns Medicare benefits to 2 organizations: University Professional Services (Portland, OR) and Columbia Lutheran Charities (Astoria, OR). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Laszlo Szidonya's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Laszlo Szidonya accept?

Health plans from Moda Health Plan, Inc. list Laszlo Szidonya 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 Laszlo Szidonya affiliated with any hospitals?

According to CMS data, Laszlo Szidonya is affiliated with Ohsu Hospital And Clinics, Salem Hospital and Adventist Health Portland.

When was this NPI record last updated?

The NPPES record for Laszlo Szidonya was last updated on April 1, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 months 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.