ROBERT EDWARD GRAY JR.
NPI 1912439159
Radiology - Neuroradiology in Lawrenceville, GA

Active since March 28, 2017PECOS EnrolledAccepts Medicare Assignment
1000 MEDICAL CENTER BLVD, LAWRENCEVILLE, GA 30046(678) 312-1000 Get Directions Write a Review

NPPES record last updated: August 12, 2023. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Aug 12, 2023, Mar 28, 2017 (2 updates tracked since 2017).

  • Individual
  • Male
  • Years of Experience 10
  • Radiology
  • Neuroradiology
  • Accepts Medicare Approved Payment
  • PECOS Enrolled

About ROBERT GRAY

This page provides the complete NPI Profile along with additional information for Robert Gray, a provider established in Lawrenceville, Georgia with a medical specialization in Radiology, focusing in neuroradiology and more than 10 years of experience. He graduated from Philadelphia College Of Osteopathic Medicine in 2017. The healthcare provider is registered in the NPI registry with number 1912439159 assigned on March 2017. The practitioner's primary taxonomy code is 2085N0700X with license number 96621 (GA). The provider is registered as an individual and his NPI record was last updated 3 years ago.

NPI
1912439159
Provider Name
ROBERT EDWARD GRAY JR.
Gender
Male
Entity Type
Individual
Location Address
1000 MEDICAL CENTER BLVD LAWRENCEVILLE, GA 30046
Location Phone
(678) 312-1000
Mailing Address
3242 PEACHTREE RD NE UNIT 701 ATLANTA, GA 30305
Mailing Phone
(404) 216-9915
Medical School Name
PHILADELPHIA COLLEGE OF OSTEOPATHIC MEDICINE
Graduation Year
2017
Is Sole Proprietor?
No
Enumeration Date
03-28-2017
Last Update Date
08-12-2023
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Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Radiology Neuroradiology

Taxonomy Code
2085N0700X
Type
Allopathic & Osteopathic Physicians
License No.
96621
License State
GA
Taxonomy Description
A radiologist who diagnoses and treats diseases utilizing imaging procedures as they relate to the brain, spine and spinal cord, head, neck and organs of special sense in adults and children.

Medicare Participation & PECOS Enrollment Status

Robert Gray is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.

Robert Gray is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • PECOS PAC ID: 5799147229

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20230816001216

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Yes

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

3d radiographic procedure

A 3D radiographic procedure is a non-invasive imaging test that helps doctors visualize the internal structures of your body in three dimensions. This advanced technology provides detailed images, aiding in accurate diagnosis and treatment planning. It involves exposure to minimal radiation.

This service was performed 107 times for 106 patients

Ct scan head or brain without contrast

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.

This service was performed 295 times for 270 patients

Ct scan of abdomen and pelvis with contrast

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.

This service was performed 100 times for 98 patients

Ct scan of abdomen and pelvis without contrast

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.

This service was performed 48 times for 48 patients

Ct scan of blood vessels of chest with contrast

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.

This service was performed 54 times for 53 patients

Ct scan of blood vessels of head with contrast

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.

This service was performed 116 times for 115 patients

Ct scan of blood vessels of neck with contrast

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.

This service was performed 118 times for 117 patients

Ct scan of chest with contrast

A CT scan of the chest with contrast is an imaging procedure. A special dye (contrast) is used to highlight specific areas in your body, providing clearer pictures of your chest. This helps in diagnosing conditions related to your lungs, heart, and other chest structures.

This service was performed 44 times for 44 patients

Ct scan of chest without contrast

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.

This service was performed 57 times for 57 patients

Ct scan of face without contrast

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.

This service was performed 20 times for 20 patients

Ct scan of lower spine without contrast

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.

This service was performed 44 times for 44 patients

Ct scan of middle spine without contrast

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.

This service was performed 11 times for 11 patients

Ct scan of soft tissue of neck with contrast

A CT scan of the neck with contrast is a non-invasive imaging procedure. A special dye is administered to highlight the soft tissues in your neck, making them easier to see. This helps detect issues like infections, tumors, or other abnormalities.

This service was performed 16 times for 16 patients

Ct scan of upper spine without contrast

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.

This service was performed 87 times for 86 patients

Double contrast x-ray of esophagus

A double contrast x-ray of the esophagus is a diagnostic procedure that uses a special type of x-ray and a contrast material to capture detailed images of your esophagus. This helps in identifying any abnormalities or issues.

This service was performed 15 times for 15 patients

Mri scan of blood vessels of head without contrast

An MRI scan of the head's blood vessels without contrast is a non-invasive imaging procedure. It uses a magnetic field and radio waves to create detailed images of the blood vessels in your head. This helps doctors diagnose conditions such as stroke, aneurysm, or other vascular disorders.

This service was performed 39 times for 39 patients

Mri scan of blood vessels of neck without contrast

An MRI scan of the neck's blood vessels without contrast is a non-invasive procedure that uses magnetic fields to create detailed images of your neck's blood vessels. It helps identify any abnormalities or blockages, aiding in accurate diagnosis and treatment planning.

This service was performed 32 times for 32 patients

Mri scan of brain before and after contrast

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.

This service was performed 55 times for 54 patients

Mri scan of brain without contrast

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.

This service was performed 168 times for 164 patients

Mri scan of lower spinal canal before and after contrast

An MRI scan of the lower spinal canal with contrast is a non-invasive imaging procedure. It uses magnetic fields to generate detailed images of your lower spine. A contrast agent is injected to enhance these images, helping doctors see issues more clearly.

This service was performed 11 times for 11 patients

Mri scan of lower spinal canal without contrast

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.

This service was performed 62 times for 62 patients

Mri scan of middle spinal canal without contrast

An MRI scan of the middle spinal canal without contrast is a non-invasive imaging test. It uses magnetic fields and radio waves to create detailed images of your spine. This helps doctors identify any abnormalities or issues in your spinal canal. No dye is used in this procedure.

This service was performed 20 times for 20 patients

Mri scan of upper spinal canal without contrast

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.

This service was performed 33 times for 33 patients

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

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.

This service was performed 82 times for 77 patients

X-ray of chest, 1 view

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.

This service was performed 322 times for 284 patients

X-ray of chest, 2 views

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.

This service was performed 62 times for 62 patients

X-ray of hip, 2-3 views

An X-ray of the hip with 2-3 views is a non-invasive imaging test. It uses a small amount of radiation to produce pictures of the hip joint. These images help in diagnosing conditions like fractures, arthritis, or other abnormalities. The process is quick and painless.

This service was performed 12 times for 11 patients

X-ray of lower and sacral spine, 2-3 views

An X-ray of the lower and sacral spine involves capturing images of your lower back area, including the tailbone. This procedure helps in identifying problems like fractures, infections, or deformities. 2-3 different angle views provide a comprehensive picture.

This service was performed 13 times for 13 patients

Find Provider Hospital Affiliations - Privileges

Doctors and physicians must apply for hospital privileges to treat patients at hospitals. Find out if your doctor has privileges to practice at your preferred hospital by using the hospital affiliation information below based on recent medical claims.

Hospital affiliation is identified through self-reporting data, inpatient, outpatient, physician and ancillary service claims linked by the medical claims NPI number and place of service code. Additionally, to further determine provider hospital affiliation the clinician must have provided services to at least three patients on three different dates in the last 12 months. Robert Gray is affiliated with the following medical facilities:

Hospital Name Address Phone Hospital Type Overall Rating
NORTHSIDE HOSPITAL FORSYTH1200 NORTHSIDE FORSYTH DRIVE
CUMMING, GA 30041
(770) 844-3200Acute Care Hospitals
NORTHSIDE HOSPITAL CHEROKEE450 NORTHSIDE CHEROKEE BOULEVARD
CANTON, GA 30115
(770) 244-1000Acute Care Hospitals
NORTHSIDE HOSPITAL GWINNETT1000 MEDICAL CENTER BOULEVARD
LAWRENCEVILLE, GA 30046
(678) 312-1000Acute Care Hospitals
NORTHSIDE HOSPITAL1000 JOHNSON FERRY ROAD, NE
ATLANTA, GA 30342
(404) 851-8000Acute Care Hospitals
NORTHSIDE HOSPITAL DULUTH3620 HOWELL FERRY ROAD
DULUTH, GA 30096
(678) 312-1000Acute Care Hospitals

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NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1912439159, we treat the final digit (9) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 9).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
9
Unchanged
Pos 3
1
Doubled → 2
Pos 4
2
Unchanged
Pos 5
4
Doubled → 8
Pos 6
3
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
1
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
9
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 1 → 2 4 → 8 9 → 18 → 9 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 9 + 2 + 2 + 8 + 3 + 1 + 8 + 1 + 1 + 0 + 24 = 61

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 61 is 70. The difference is the calculated check digit.

70 - 61 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1912439159.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Dietitian, Registered
1000 MEDICAL CENTER BLVD
LAWRENCEVILLE, GA 30046
Internal Medicine
1000 MEDICAL CENTER BLVD
LAWRENCEVILLE, GA 30046
Nurse Practitioner
1000 MEDICAL CENTER BLVD
LAWRENCEVILLE, GA 30046
Emergency Medicine (Pediatric Emergency Medicine)
1000 MEDICAL CENTER BLVD
LAWRENCEVILLE, GA 30046
Nurse Anesthetist, Certified Registered
1000 MEDICAL CENTER BLVD
LAWRENCEVILLE, GA 30046
Rehabilitation Hospital
1000 MEDICAL CENTER BLVD
LAWRENCEVILLE, GA 30046
Nurse Practitioner (Family)
1000 MEDICAL CENTER BLVD
LAWRENCEVILLE, GA 30046
Radiology (Diagnostic Radiology)
1000 MEDICAL CENTER BLVD
LAWRENCEVILLE, GA 30046
Nurse Practitioner (Family)
1000 MEDICAL CENTER BLVD
LAWRENCEVILLE, GA 30046
Nurse Practitioner (Family)
1000 MEDICAL CENTER BLVD
LAWRENCEVILLE, GA 30046
Nurse Practitioner (Family)
1000 MEDICAL CENTER BLVD
LAWRENCEVILLE, GA 30046
Anesthesiologist Assistant
1000 MEDICAL CENTER BLVD
LAWRENCEVILLE, GA 30046
Nurse Practitioner (Family)
1000 MEDICAL CENTER BLVD
LAWRENCEVILLE, GA 30046
Radiology (Diagnostic Radiology)
1000 MEDICAL CENTER BLVD
LAWRENCEVILLE, GA 30046
Radiology (Diagnostic Radiology)
1000 MEDICAL CENTER BLVD
LAWRENCEVILLE, GA 30046
Radiology (Diagnostic Radiology)
1000 MEDICAL CENTER BLVD
LAWRENCEVILLE, GA 30046
Radiology (Diagnostic Radiology)
1000 MEDICAL CENTER BLVD
LAWRENCEVILLE, GA 30046
Physical Therapy Assistant
1000 MEDICAL CENTER BLVD
LAWRENCEVILLE, GA 30046
Anesthesiology
1000 MEDICAL CENTER BLVD
LAWRENCEVILLE, GA 30046
Anesthesiologist Assistant
1000 MEDICAL CENTER BLVD
LAWRENCEVILLE, GA 30046

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1912439159, enumerated as an "individual" on March 28, 2017.

The provider is located at 1000 MEDICAL CENTER BLVD LAWRENCEVILLE, GA 30046 and the phone number is (678) 312-1000.

Radiology with taxonomy code 2085N0700X and a focus in Neuroradiology.

Robert Gray is affiliated with: NORTHSIDE HOSPITAL FORSYTH, NORTHSIDE HOSPITAL CHEROKEE, NORTHSIDE HOSPITAL GWINNETT, NORTHSIDE HOSPITAL and NORTHSIDE HOSPITAL DULUTH.