Physician Profile
Based in Lynnwood, WA, Maria Chong, MD is listed in the NPI registry under diagnostic radiology. Maria graduated from University of Washington School of Medicine in 1992. According to Medicare claims data, Maria cared for 56 Medicare patients across 1,577 services. The services billed most often include low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml, ct scan of chest without contrast, and ct scan of chest with contrast.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
19020 33RD AVE W SUITE 210
Lynnwood, WA 98036
Within Diagnostic Radiology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Abdomen & Pelvis
Bone & Joint
Brain & Head
Brain & nerves
Breast
Chest & Heart
General
Heart & blood vessels
Joint & bone
Liver & digestion
Lungs & breathing
Men's health
Neck & Thyroid
Nerve pain
Pelvic health
Spine
Spine & back
Vascular
Women's health
Abdominal imaging
Biopsies
Bone Density
Breast Imaging
CT Scan
Digestive & liver
Fluoroscopy
General imaging
Heart & blood vessels
Joint & bone
MRI
Nuclear Medicine
Pelvic imaging
Screening & Prevention
Spine & back
Ultrasound
Urinary & kidney
Women's health
X-Ray
1,577 services · 56 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Ct scan of chest without contrast | Imaging | 71250 |
16 | |
| Ct scan of chest with contrast | Imaging | 71260 |
14 | |
| Ct scan of chest without contrast | Imaging | 71250 |
12 | |
| Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml | Billing code | Q9967 |
1,535 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Chong is a radiologist in Lynnwood, WA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Diagnostic Radiology”.
NPI registry
Dr. Chong is listed at 19020 33Rd Ave W Suite 210, Lynnwood, WA 98036. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (425) 563-1500. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Chong's National Provider Identifier is 1295712396. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Chong attended University of Washington School of Medicine, graduating in 1992. This comes from the CMS National Downloadable File.
CMS public data
Dr. Chong has 34 years experience. Calculated from a graduation year of 1992, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Chong performs imaging including ct scan of chest without contrast and ct scan of chest with contrast. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Chong. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.