PHILLIP GRIGSBY
NPI 1740716539
Radiology - Diagnostic Radiology in Loma Linda, CA

Q: What is Phillip Grigsby's NPI number?

The NPI number for Phillip Grigsby is 1740716539. It was assigned to this individual provider in the NPPES registry on May 11, 2017.

Q: What is Phillip Grigsby'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 Phillip Grigsby was last updated on September 17, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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 May 11, 2017PECOS EnrolledAccepts Medicare Assignment

11370 HAVSTAD DR, LOMA LINDA, CA 92354(541) 761-9596 Get Directions Write a Review

NPPES record last updated: September 17, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 17, 2024, Feb 7, 2023, May 11, 2017 (3 updates tracked since 2017).

On this page

About Phillip Grigsby NPPES

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

PHILLIP GRIGSBY (NPI 1740716539) is an individual diagnostic radiology provider in Loma Linda, California, licensed in California (A157441) and active in the NPI registry since May 2017. He is enrolled in Medicare PECOS, maintains a secondary practice location in Riverside, and is a graduate of Loma Linda University School Of Medicine (2017).

NPPES Registry Identity

NPI1740716539

Entity TypeIndividualMale

Primary Taxonomy2085R0202X

Provider Legal NamePHILLIP GRIGSBY

Location Address11370 HAVSTAD DRLoma Linda, CA 92354-4149

Mailing Address11370 Havstad DrLoma Linda, CA 92354-4149

Phone(541) 761-9596

Sole ProprietorNo

Medical School CMSLoma Linda University School Of MedicineGraduated 2017

Enumeration DateMay 11, 2017

Last NPPES UpdateSeptember 17, 20243 updates tracked since enumeration

NPPES CertifiedSeptember 17, 2024

✔ NPI 1740716539 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0202X

License✔ Licensed in CA · A157441

Definition

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

11370 HAVSTAD DR, Loma Linda, CA 92354

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Secondary Practice Location 1

Location 17117 Brockton AveRiverside, CA 92506-2658 · Phone (951) 782-3720 · Fax (951) 784-3274

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

Phillip Grigsby 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 ID5294109674

PECOS Enrollment IDI20230327001055

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 Phillip Grigsby reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Faculty Physicians And Surgeons Of Llusm

0.3 mi

Plastic Surgery

25805 BARTON RD, SUITE 101
Loma Linda, CA 92354

Reassigned Medicare billing, California enrollment
2,584 clinicians in this Medicare group

NPI 1104161579 (909) 558-5500

Health Diagnostics Of California A Professional Corporation

1.3 mi

Diagnostic Radiology

1690 BARTON RD STE 108
Redlands, CA 92373

Reassigned Medicare billing, California enrollment
Also billed through NPI 1245861368 (California)
67 clinicians in this Medicare group

NPI 1164053286 (909) 806-7025

Riverside Medical Clinic, Inc

8.2 mi

Family Medicine

6405 DAY ST
Riverside, CA 92507

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

NPI 1780782557 (951) 683-6370

Universal Radiology Partners Of California PC

40 mi

Diagnostic Radiology

31700 TEMECULA PKWY
Temecula, CA 92592

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

NPI 1467225235 (951) 331-2200

Lambert Radiology Medical Group, Inc

47 mi

Diagnostic Radiology

12401 WASHINGTON BLVD
Whittier, CA 90602

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

NPI 1609826684 (562) 698-0811

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 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.

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.

376 services355 patients

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.

123 services121 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.

103 services101 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.

101 services101 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.

89 services89 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.

45 services45 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.

37 services37 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.

36 services36 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.

26 services26 patients

Ct scan of face without contrast 70486

A CT scan of the face without contrast is a non-invasive imaging procedure. It uses X-rays to create detailed pictures of your face, including bones, soft tissues, and blood vessels. It's often used to diagnose diseases, injuries, or abnormalities. No contrast dye is used in this procedure.

23 services23 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.

22 services22 patients

Ultrasonic guidance for blood vessel access 76937

Ultrasonic guidance for blood vessel access is a medical procedure where sound waves are used to create images of your blood vessels. This helps doctors to accurately locate and access the vessels for treatments or tests, ensuring safety and precision.

22 services19 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.

20 services19 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.

18 services18 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.

17 services17 patients

Mri scan of upper spinal canal without contrast 72141

An MRI scan of the upper spinal canal without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to create detailed images of your upper spine. This helps doctors identify issues such as injuries, infections or diseases. No dye is used.

17 services17 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.

14 services14 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.

14 services14 patients

Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 99152

This procedure involves a doctor administering a medication to reduce your consciousness during a procedure. This helps in managing discomfort and anxiety. The initial application lasts for 15 minutes and is for individuals aged 5 years or older.

14 services14 patients

Insertion of tube into intracranial artery for diagnosis or treatment with review by radiologist 36223

This procedure involves placing a tube into an artery in the brain. It's typically done for diagnostic purposes or treatment. A radiologist, a doctor specializing in imaging, reviews the process to ensure accuracy and safety.

13 services12 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.

13 services13 patients

Insertion of tube into internal neck artery for diagnosis or treatment with review by radiologist 36224

This procedure involves placing a small tube into your neck artery. It helps diagnose or treat certain conditions. A radiologist, a doctor specializing in medical imaging, reviews the process to ensure accuracy and safety.

12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92354 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

$91.88 typical visit price

range $59.60 – $179.42

Typical copayment $22.97 (range $14.90 – $44.85)

Most-billed visit code 99203

Established Patient

$74.08 typical visit price

range $19.37 – $146.42

Typical copayment $18.52 (range $4.84 – $36.60)

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.

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 Phillip Grigsby's NPI number?

The NPI number for Phillip Grigsby is 1740716539. It was assigned to this individual provider in the NPPES registry on May 11, 2017.

Where is Phillip Grigsby located?

Phillip Grigsby practices at 11370 Havstad Dr, Loma Linda, CA 92354. The listed phone number is (541) 761-9596.

What is Phillip Grigsby's specialty?

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

Is Phillip Grigsby enrolled in Medicare?

Yes. Phillip Grigsby 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 Phillip Grigsby's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Phillip Grigsby reassigns Medicare benefits to 5 organizations: Faculty Physicians And Surgeons Of Llusm (Loma Linda, CA), Health Diagnostics Of California A Professional Corporation (Redlands, CA), Riverside Medical Clinic, Inc (Riverside, CA), Universal Radiology Partners Of California PC (Temecula, CA) and Lambert Radiology Medical Group, Inc (Whittier, CA). 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 Phillip Grigsby'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 Phillip Grigsby was last updated on September 17, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.