DR. JUSTIN AARON SIEGAL MD
NPI 1639184518
Radiology - Diagnostic Radiology in Oakland, CA

Active since July 29, 2006PECOS EnrolledAccepts Medicare Assignment
747 52ND ST, OAKLAND, CA 94609(510) 428-3000 Get Directions Write a Review

NPPES record last updated: May 21, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 21, 2026, Mar 8, 2018 (2 updates tracked since 2018).

About Dr. Justin Aaron Siegal Md NPPES

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

DR. JUSTIN AARON SIEGAL MD (NPI 1639184518) is an individual diagnostic radiology provider in Oakland, California, licensed in California (C168787) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Northwest Specialty Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1639184518
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameDR. JUSTIN AARON SIEGALCredential: MD
Location Address747 52ND STOakland, CA 94609-1809
Mailing Address19020 33rd Ave W Ste 210Lynnwood, WA 98036-4748 · (425) 563-1500 · Fax (425) 563-1374
Sole ProprietorNo
Medical School CMSSaint Louis University School Of MedicineGraduated 2000
Enumeration DateJuly 29, 2006
Last NPPES UpdateMay 21, 20262 updates tracked since enumeration
NPPES CertifiedMay 21, 2026
NPI 1639184518 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
Licenses Licensed in CA · C168787 Licensed in WA · MD00042038 Licensed in ID · M-12982
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
Also ListedRadiology · NeuroradiologyTaxonomy 2085N0700X · License MD00042038 (WA), C168787 (CA), M-12982 (ID)
747 52ND ST, Oakland, CA 94609

Secondary Practice Locations 2

Location 1203 S Western AveTonasket, WA 98855-8803 · Phone (509) 486-2151 · Fax (509) 223-1640
Location 219020 33rd Ave W, Suite 210Lynnwood, WA 98036-4746 · Phone (425) 563-1500 · Fax (425) 563-1501

Other Identifiers 7

OtherUS7398683WA · Aetna/ushs Pin
Other234770WA · Lni-king County
Other341472WA · Lni Outside King County
Other1639184518MT · Montana Dshs
Other0039587WA · L&i
Other3445SIWA · Regence
Medicaid1015172WA

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

Dr. Justin Aaron Siegal 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 ID143224196
PECOS Enrollment IDI20060905000295, I20160105001561
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 22

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.

Injection, gadoterate meglumine, 0.1 ml A9575
Gadoterate meglumine is a contrast agent used in MRI scans to help visualize certain areas of your body more clearly. It's injected into your bloodstream, typically through a vein in your arm, and helps doctors get more detailed images.
5,890 services37 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.
272 services266 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.
235 services235 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.
231 services231 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.
126 services126 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.
95 services95 patients

Hospital Affiliations CMS Care Compare 5

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

Northwest Specialty Hospital

Acute Care Hospitals · Post Falls, ID
OwnershipProprietary
CMS Certification Number130066
Location1593 East Polston AvenuePost Falls, ID 83854 · Kootenai County

Asante Rogue Regional Medical Center

Acute Care Hospitals · Medford, OR
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number380018
Location2825 E Barnett RoadMedford, OR 97504 · Jackson County
Emergency services Birthing friendly

Swedish Medical Center / Cherry Hill

Acute Care Hospitals · Seattle, WA
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number500025
Location500 17th AvenueSeattle, WA 98122 · King County
Emergency services

Overlake Hospital Medical Center

Acute Care Hospitals · Bellevue, WA
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number500051
Location1035-116th Ave NEBellevue, WA 98004 · King County
Emergency services Birthing friendly

Olympic Medical Center

Acute Care Hospitals · Port Angeles, WA
4/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number500072
Location939 Caroline StPort Angeles, WA 98362 · Clallam County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94609 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
$104.51 typical visit price
range $69.00 – $202.35
Typical copayment $26.12 (range $17.25 – $50.58)
Most-billed visit code 99203
Established Patient
$84.91 typical visit price
range $23.44 – $166.46
Typical copayment $21.22 (range $5.86 – $41.61)
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.

Reported Quality Measures

Radiation Consideration for Adult CT: Utilization of Dose Lowering Techniques
Percentage of final reports for patients aged 18 years and older undergoing CT with documentation that one or more of the following dose reduction techniques were used: - Automated exposure control - Adjustment of the mA and/or kV according to patient size -…
100%1,242 patients
Radiology: Stenosis Measurement in Carotid Imaging Reports
Percentage of final reports for carotid imaging studies (neck magnetic resonance angiography [MRA], neck computed tomography angiography [CTA], neck duplex ultrasound, carotid angiogram) performed that include direct or indirect reference to measurements of…
100%184 patients
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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.

Registered Nurse (Pediatrics)
747 52ND ST
OAKLAND, CA 94609
Nurse Practitioner (Pediatrics)
747 52ND ST
OAKLAND, CA 94609
Pediatrics (Pediatric Hematology-Oncology)
747 52ND ST
OAKLAND, CA 94609
Pediatrics
747 52ND ST
OAKLAND, CA 94609
Nurse Practitioner (Pediatrics)
747 52ND ST
OAKLAND, CA 94609
Student in an Organized Health Care Education/Training Program
747 52ND ST
OAKLAND, CA 94609
Nurse Practitioner (Pediatrics)
747 52ND ST
OAKLAND, CA 94609
General Acute Care Hospital
747 52ND ST
OAKLAND, CA 94609

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 Justin Siegal's NPI number?

The NPI number for Justin Siegal is 1639184518. It was assigned to this individual provider in the NPPES registry on July 29, 2006.

Where is Justin Siegal located?

Justin Siegal practices at 747 52nd St, Oakland, CA 94609. The listed phone number is (510) 428-3000.

What is Justin Siegal's specialty?

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

Is Justin Siegal enrolled in Medicare?

Yes. Justin Siegal 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 Justin Siegal accept?

Health plans from Arkansas Blue Cross and Blue Shield, Health Advantage, Moda Health Plan, Inc., Octave and Premera Blue Cross Blue Shield of Alaska list Justin Siegal 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 Justin Siegal affiliated with any hospitals?

According to CMS data, Justin Siegal is affiliated with Northwest Specialty Hospital, Asante Rogue Regional Medical Center, Swedish Medical Center / Cherry Hill, Overlake Hospital Medical Center and Olympic Medical Center.

When was this NPI record last updated?

The NPPES record for Justin Siegal was last updated on May 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.