DR. ROBERT C BENSON M.D.
NPI 1033188529
Specialist in Westlake, CA

Q: What is Robert Benson's NPI number?

The NPI number for Robert Benson is 1033188529. It was assigned to this individual provider in the NPPES registry on March 16, 2006.

Q: What is Robert Benson's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Q: When was this NPI record last updated?

The NPPES record for Robert Benson was last updated on March 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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 16, 2006PECOS Enrolled

85.6/100

CMS Quality Rating

4195 E THOUSAND OAKS BLVD. #235, WESTLAKE, CA 91362(805) 719-4820(805) 719-4840 Get Directions Write a Review

NPPES record last updated: March 7, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Dr. Robert C Benson M.d. NPPES

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

DR. ROBERT C BENSON M.D. (NPI 1033188529) is an individual specialist in Westlake, California, licensed in California (G39172) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS and is a graduate of Loyola University Of Chicago, Stritch School Of Medicine (1976).

NPPES Registry Identity

NPI1033188529

Entity TypeIndividualMale

Primary Taxonomy174400000X

Provider Legal NameDR. ROBERT C BENSONCredential: M.D.

Location Address4195 E THOUSAND OAKS BLVD. #235Westlake, CA 91362-3812

Mailing Address4195 E Thousand Oaks Blvd. #235Westlake, CA 91362-3812 · (805) 719-4820 · Fax (805) 719-4840

Phone(805) 719-4820

Fax(805) 719-4840

Sole ProprietorNo

Medical School CMSLoyola University Of Chicago, Stritch School Of MedicineGraduated 1976

Enumeration DateMarch 16, 2006

Last NPPES UpdateMarch 7, 2023

✔ NPI 1033188529 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers

Taxonomy Code174400000X

License✔ Licensed in CA · G39172

Definition

An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Robert C Benson M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID7113815358

PECOS Enrollment IDI20110524000707

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 Robert Benson reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Adventist Health Tulare

General Acute Care Hospital

869 N CHERRY ST
Tulare, CA 93274

Reassigned Medicare billing, California enrollment
119 clinicians in this Medicare group

NPI 1801366711 (559) 688-0821

Focus Medical Imaging

Diagnostic Radiology

323 S HELIOTROPE AVE
Monrovia, CA 91016

Reassigned Medicare billing, California enrollment
88 clinicians in this Medicare group

NPI 1528299989 (626) 408-9800

Golden State Imaging Associates Inc

Diagnostic Radiology

1401 ST JOSEPH PKWY
Houston, TX 77002

Reassigned Medicare billing, California enrollment
244 clinicians in this Medicare group

NPI 1144872052 (888) 371-0667

Hanford Community Hospital

General Acute Care Hospital

115 MALL DR
Hanford, CA 93230

Reassigned Medicare billing, California enrollment
139 clinicians in this Medicare group

NPI 1538141627 (559) 582-9000

Radiology Medical Group Of Wmmc

Diagnostic Radiology

1720 E CESAR E CHAVEZ AVE
Los Angeles, CA 90033

Reassigned Medicare billing, California enrollment
53 clinicians in this Medicare group

NPI 1831123868 (626) 795-1610

Reedley Community Hospital

General Acute Care Hospital

372 W. CYPRESS AVE
Reedley, CA 93654

Reassigned Medicare billing, California enrollment
315 clinicians in this Medicare group

NPI 1336167550 (559) 638-8155

Reliant Radiology Medical Group A Professional Corporation

Diagnostic Radiology

816 W ACEQUIA AVE
Visalia, CA 93291

Reassigned Medicare billing, California enrollment

NPI 1790850238 (559) 627-6363

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 16

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.

X-ray of chest, 1 view 71045

A chest X-ray, 1 view, is a quick, painless test that produces images of the structures within your chest, such as your heart, lungs, and blood vessels. It helps in diagnosing conditions like pneumonia, heart problems, or lung cancer. You'll stand in front of a machine that emits X-rays, which pass through your body to create the image.

487 services272 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.

125 services123 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician 93018

An exercise or drug-induced heart stress test with ECG is a procedure to assess how your heart functions under stress. It can involve exercising or medication to make your heart work harder while an ECG records its activity. A physician reviews the results.

78 services76 patients

Ct scan of chest without contrast 71250

A CT scan of the chest without contrast is a non-invasive imaging procedure. It uses special X-ray equipment to produce detailed images of your chest area, including your lungs and heart. It can help diagnose conditions such as lung diseases or heart disorders. It doesn't involve any dyes or contrast agents.

33 services32 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.

32 services27 patients

Ct scan of abdomen and pelvis without contrast 74176

A CT scan of the abdomen and pelvis is a non-invasive medical test. It uses special X-ray equipment to create detailed images of your abdominal and pelvic areas. This helps doctors examine organs, tissues, and vessels. No contrast dye is used in this procedure.

29 services29 patients

X-ray of chest, 2 views 71046

A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.

27 services27 patients

X-ray of abdomen, 1 view 74018

An X-ray of the abdomen, 1 view, is a quick and painless imaging test. It uses a small amount of radiation to produce images of the structures in your abdomen, such as the stomach, liver, and intestines. This can help identify issues like blockages, infections, or injuries.

25 services17 patients

Limited ultrasound scan of abdomen 76705

A limited ultrasound scan of the abdomen is a non-invasive imaging test. It uses sound waves to produce images of the abdominal organs such as the liver, gallbladder, spleen, pancreas, and kidneys. This helps to identify any abnormalities or issues.

24 services23 patients

Complete ultrasound scan behind abdominal cavity 76770

A complete ultrasound scan behind the abdominal cavity is a non-invasive imaging procedure. It uses sound waves to create pictures of the structures and organs located at the back of your abdomen. It helps in diagnosing health conditions and monitoring ongoing treatments.

24 services24 patients

Ct scan of abdomen and pelvis with contrast 74177

A CT scan of the abdomen and pelvis with contrast is an imaging procedure. A special dye, called contrast, is used to make certain areas more visible. This can help identify issues such as infections, tumors, or other abnormalities. The procedure is painless and usually takes about 30 minutes.

19 services19 patients

Ultrasound study of arm or leg veins with compression and maneuvers 93970

An ultrasound study of arm or leg veins with compression and maneuvers is a non-invasive procedure that uses sound waves to create images of your veins. This helps identify blood clots or other vein problems. During the procedure, pressure is applied to the veins and certain movements are performed to assess blood flow.

14 services14 patients

X-ray of foot, minimum of 3 views 73630

An X-ray of the foot, minimum of 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the bones and tissues in your foot. This helps to identify fractures, infections, or other abnormalities. Multiple views ensure a comprehensive examination.

13 services11 patients

Ultrasound of both sides of head and neck blood flow 93880

An ultrasound of the head and neck blood flow is a safe, non-invasive procedure that uses sound waves to create images of blood vessels. It helps detect abnormalities like blockages or clots, ensuring optimal blood flow.

12 services12 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.

11 services11 patients

Ct scan of blood vessels of chest with contrast 71275

A CT scan of the chest with contrast is a non-invasive imaging test. It uses X-rays and a special dye to get detailed images of your blood vessels in the chest. This helps in diagnosing conditions related to heart and lungs.

11 services11 patients

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.

85.6/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

86.33

Improvement Activities

Cost

43.74

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 Robert Benson's NPI number?

The NPI number for Robert Benson is 1033188529. It was assigned to this individual provider in the NPPES registry on March 16, 2006.

Where is Robert Benson located?

Robert Benson practices at 4195 E Thousand Oaks Blvd. #235, Westlake, CA 91362. The listed phone number is (805) 719-4820.

What is Robert Benson's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is Robert Benson enrolled in Medicare?

Yes. Robert Benson is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Robert Benson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Robert Benson reassigns Medicare benefits to 7 organizations: Adventist Health Tulare (Tulare, CA), Focus Medical Imaging (Monrovia, CA), Golden State Imaging Associates Inc (Houston, TX), Hanford Community Hospital (Hanford, CA), Radiology Medical Group Of Wmmc (Los Angeles, CA) and 2 more organizations, listed in the Medicare section above. 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 Robert Benson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Robert Benson was last updated on March 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.