DAVID R GREATOREX M.D.
NPI 1164409264
Radiology - Diagnostic Radiology in Portland, ME
NPI Status: Active since December 29, 2005
Contact Information
144 STATE ST
PORTLAND, ME
ZIP 04101
Phone: (207) 879-3000
- Individual
- Male
- Radiology
- Diagnostic Radiology
- PECOS Enrolled
About DAVID GREATOREX
This page provides the complete NPI Profile along with additional information for David Greatorex, a provider established in Portland, Maine with a medical specialization in Radiology, focusing in diagnostic radiology . The healthcare provider is registered in the NPI registry with number 1164409264 assigned on December 2005. The practitioner's primary taxonomy code is 2085R0202X with license number 015632 (ME). The provider is registered as an individual and his NPI record was last updated 19 years ago.
- NPI
- 1164409264
- Provider Name
- DAVID R GREATOREX M.D.
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 144 STATE ST PORTLAND, ME 04101
- Location Phone
- (207) 879-3000
- Mailing Address
- PO BOX 1849 LEWISTON, ME 04241
- Mailing Phone
- (207) 784-2554
- Mailing Fax
- Is Sole Proprietor?
- No
- Enumeration Date
- 12-29-2005
- Last Update Date
- 07-16-2007
- Code Navigator
Location Map
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 Diagnostic Radiology
- Taxonomy Code
- 2085R0202X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- 015632
- License State
- ME
- Taxonomy Description
- A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
Insurance Plans Accepted
According to publicly available information the provider might be accepting the following health plans from these health insurance companies:
Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.
Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.
*Please verify directly with this provider to make sure your insurance plan is currently accepted.
Additional Identifiers
The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.
| Identifier | Type / Code | Identifier State | Identifier Issuer |
|---|---|---|---|
| H41480 | MEDICARE UPIN (02) |
Medicare Participation & PECOS Enrollment Status
David Greatorex 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
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.
Complete ultrasound scan behind abdominal cavity
Ct scan head or brain without contrast
Ct scan of abdomen and pelvis with contrast
Ct scan of abdomen and pelvis without contrast
Ct scan of blood vessels of chest with contrast
Ct scan of blood vessels of head with contrast
Ct scan of blood vessels of neck with contrast
Ct scan of chest with contrast
Ct scan of chest without contrast
Ct scan of chest without contrast
Ct scan of upper spine without contrast
Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066)
Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066)
Diagnostic mammography of 1 breast
Diagnostic mammography of 1 breast
Diagnostic mammography of both breasts
Diagnostic mammography of both breasts
Dxa bone density measurement of hip, pelvis, spine
Dxa bone density measurement of hip, pelvis, spine
Limited ultrasound scan of 1 breast
Limited ultrasound scan of 1 breast
Limited ultrasound scan of abdomen
Mri scan of brain before and after contrast
Mri scan of brain without contrast
Nuclear medicine study from skull base to mid-thigh with ct scan
Screening 3d breast mammography
Screening 3d breast mammography
Screening mammography
Screening mammography
Ultrasound of abdomen and pelvis artery and vein blood flow
Ultrasound scan of head and neck soft tissue
X-ray of abdomen, 1 view
X-ray of ankle, minimum of 3 views
X-ray of chest, 1 view
X-ray of chest, 2 views
X-ray of chest, 2 views
X-ray of foot, minimum of 3 views
X-ray of hand, minimum of 3 views
X-ray of hip, 1 view
X-ray of hip, 2-3 views
X-ray of knee, 3 views
X-ray of knee, 4 or more views
X-ray of lower and sacral spine, 2-3 views
X-ray of lower and sacral spine, minimum of 4 views
X-ray of pelvis, 1-2 views
X-ray of shoulder, minimum of 2 views
X-ray of spine, 1 view
X-ray of upper spine, 4-5 views
X-ray of wrist, minimum of 3 views
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.
This service was performed 34 times for 34 patientsA 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 188 times for 176 patientsA 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 106 times for 103 patientsA 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 58 times for 57 patientsA 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 29 times for 29 patientsA 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 27 times for 27 patientsA 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 27 times for 27 patientsA 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 67 times for 67 patientsA 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 46 times for 46 patientsA 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 13 times for 13 patientsA 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 51 times for 51 patientsDiagnostic digital breast tomosynthesis is a 3D imaging test that allows doctors to examine your breast tissue layer by layer. It's performed on one or both sides. It helps in detecting abnormalities more accurately. It's often done in addition to other tests.
This service was performed 40 times for 39 patientsDiagnostic digital breast tomosynthesis is a 3D imaging test that allows doctors to examine your breast tissue layer by layer. It's performed on one or both sides. It helps in detecting abnormalities more accurately. It's often done in addition to other tests.
This service was performed 78 times for 76 patientsDiagnostic mammography of 1 breast is a detailed imaging test that allows doctors to closely examine a specific area in the breast. It's often used when a routine screening reveals an abnormality. This test can help identify any unusual changes or issues.
This service was performed 16 times for 16 patientsDiagnostic mammography of 1 breast is a detailed imaging test that allows doctors to closely examine a specific area in the breast. It's often used when a routine screening reveals an abnormality. This test can help identify any unusual changes or issues.
This service was performed 43 times for 42 patientsDiagnostic mammography involves using special imaging technology to capture detailed images of both breasts. This procedure helps in identifying any unusual changes or abnormalities. It's a crucial step in ensuring breast health and early detection of potential issues.
This service was performed 26 times for 25 patientsDiagnostic mammography involves using special imaging technology to capture detailed images of both breasts. This procedure helps in identifying any unusual changes or abnormalities. It's a crucial step in ensuring breast health and early detection of potential issues.
This service was performed 48 times for 48 patientsA DXA bone density measurement is a simple, quick, and non-invasive procedure that assesses the strength of your bones. This test uses X-rays to measure the amount of minerals, mainly calcium, in the hip, pelvis, and spine. It helps in early detection of osteoporosis or other bone diseases.
This service was performed 86 times for 86 patientsA DXA bone density measurement is a simple, quick, and non-invasive procedure that assesses the strength of your bones. This test uses X-rays to measure the amount of minerals, mainly calcium, in the hip, pelvis, and spine. It helps in early detection of osteoporosis or other bone diseases.
This service was performed 274 times for 274 patientsA limited ultrasound scan of one breast is a non-invasive imaging test. It uses sound waves to create pictures of the inside of your breast. It helps identify any unusual growths or changes. It's safe, quick, and typically painless.
This service was performed 31 times for 27 patientsA limited ultrasound scan of one breast is a non-invasive imaging test. It uses sound waves to create pictures of the inside of your breast. It helps identify any unusual growths or changes. It's safe, quick, and typically painless.
This service was performed 82 times for 62 patientsA 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.
This service was performed 30 times for 30 patientsAn 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 14 times for 14 patientsAn 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 25 times for 25 patientsA 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 33 times for 32 patientsScreening 3D breast mammography is a procedure that uses low-dose X-rays to create detailed images of the breast. This allows for early detection of any unusual changes or growths. It's a non-invasive, outpatient procedure that typically takes about 30 minutes.
This service was performed 62 times for 62 patientsScreening 3D breast mammography is a procedure that uses low-dose X-rays to create detailed images of the breast. This allows for early detection of any unusual changes or growths. It's a non-invasive, outpatient procedure that typically takes about 30 minutes.
This service was performed 369 times for 369 patientsScreening mammography is a preventative measure that uses low-dose X-rays to take images of the chest area. It's a key tool in early detection of abnormalities, helping to identify issues before they become symptomatic. It is recommended annually for certain age groups.
This service was performed 62 times for 62 patientsScreening mammography is a preventative measure that uses low-dose X-rays to take images of the chest area. It's a key tool in early detection of abnormalities, helping to identify issues before they become symptomatic. It is recommended annually for certain age groups.
This service was performed 369 times for 369 patientsAn ultrasound of your abdomen and pelvis arteries and veins is a non-invasive procedure that uses sound waves to create images of your blood vessels. This helps in assessing the flow of blood, identifying blockages, or detecting other abnormalities. It's a safe, painless process.
This service was performed 12 times for 12 patientsAn ultrasound scan of the head and neck soft tissue is a non-invasive procedure that uses sound waves to create images of the soft tissues in these areas. It helps identify any abnormalities or issues, such as tumors, cysts, or infections. It's painless and doesn't involve radiation.
This service was performed 13 times for 13 patientsAn 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.
This service was performed 52 times for 49 patientsAn ankle X-ray is a quick, painless imaging test. It involves capturing at least three different images or 'views' of your ankle using small amounts of radiation. These images help identify any abnormalities or injuries, such as fractures or arthritis.
This service was performed 19 times for 17 patientsA 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 542 times for 470 patientsA 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 187 times for 182 patientsA 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 88 times for 85 patientsAn 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.
This service was performed 38 times for 31 patientsAn X-ray of the hand, minimum of 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the bones in your hand from different angles. This helps in diagnosing fractures, infections, arthritis, or other abnormalities. It's quick and painless.
This service was performed 45 times for 31 patientsAn X-ray of the hip, 1 view, is a quick, painless test where a small amount of radiation is used to produce images of the hip joint. This helps in diagnosing conditions like arthritis or fractures. You'll be positioned so that the X-ray machine can capture the best image of your hip.
This service was performed 14 times for 13 patientsAn 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 42 times for 42 patientsAn X-ray of the knee, 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the knee from three different angles. This helps medical professionals to diagnose and monitor conditions like arthritis, fractures, or infections. The process is quick and painless.
This service was performed 20 times for 15 patientsAn X-ray of the knee, 4 or more views, is a non-invasive imaging test. It involves capturing multiple images of your knee from different angles. This helps in diagnosing conditions such as fractures, arthritis, or infections. The procedure is quick and painless.
This service was performed 29 times for 24 patientsAn 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 37 times for 37 patientsAn X-ray of the lower and sacral spine involves capturing images of your lower back and tailbone area. It helps in identifying issues like fractures, arthritis, or other abnormalities. At least four different angles or 'views' are taken to get a comprehensive picture.
This service was performed 19 times for 19 patientsAn X-ray of the pelvis, 1-2 views, is a quick and painless imaging test. It uses a small amount of radiation to produce images of the lower part of your torso. These images help to detect any abnormalities or injuries in your hip bones and surrounding structures.
This service was performed 14 times for 14 patientsAn X-ray of the shoulder, with a minimum of 2 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of your shoulder bones. This helps in diagnosing conditions like fractures, arthritis, or other abnormalities. The procedure is quick and painless.
This service was performed 33 times for 32 patientsAn X-ray of the spine, 1 view, is a quick and painless imaging procedure. It uses radiation to capture images of the bones in your spine. It helps in detecting issues like fractures, infections, or tumors. You'll be positioned, the machine captures the image, and you're done. It's a safe, routine procedure.
This service was performed 11 times for 11 patientsAn X-ray of the upper spine with 4-5 views is a non-invasive imaging test. It uses radiation to capture detailed images of the bones and structures in your neck and upper back. This procedure helps identify issues like fractures, infections, or deformities.
This service was performed 14 times for 14 patientsAn X-ray of the wrist, minimum of 3 views, is a diagnostic procedure that uses radiation to create images of your wrist from different angles. This helps detect fractures, infections, or other abnormalities for accurate diagnosis and treatment planning.
This service was performed 16 times for 16 patientsPhysician Visit Costs
The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.
For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.
The prices below reflect the costs for new and established patients in the 04101 ZIP code area.
New Patients Visit Costs *
The most utilized procedure code for new patients office visits is 99203
- Average New Patient Price $86.72
- Minimum New Patient Price $56.28
- Maximum New Patient Price $169.96
- Average New Patient Copayment $21.68
- Minimum New Patient Copayment $14.07
- Maximum New Patient Copayment $42.49
Established Patients Visit Costs *
The most utilized procedure code for established patients office visits is 99213
- Average Established Patient Price $70.13
- Minimum Established Patient Price $18.22
- Maximum Established Patient Price $138.92
- Average Established Patient Copayment $17.53
- Minimum Established Patient Copayment $4.55
- Maximum Established Patient Copayment $34.73
* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.
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NPI 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 1164409264, we treat the final digit (4) 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 56. The final step is to find the difference between that total and the next multiple of ten (60 - 56 = 4).
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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 56 is 60. The difference is the calculated check digit.
Other Providers at the Same Location
The following 20 providers are registered at the same or a nearby location.
PORTLAND, ME 04101
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1164409264, enumerated as an "individual" on December 29, 2005.
The provider is located at 144 STATE ST PORTLAND, ME 04101 and the phone number is (207) 879-3000.
Radiology with taxonomy code 2085R0202X and a focus in Diagnostic Radiology.
The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.