EARL R HARRISON JR. MD
NPI 1790778942
Specialist in Havre, MT

NPI Status: Active since August 23, 2005

Contact Information

30 13TH ST
HAVRE, MT
ZIP 59501
Phone: (406) 265-5827
Fax: (406) 265-5949

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  • Individual
  • Male
  • Specialist
  • PECOS Enrolled

About EARL HARRISON

This page provides the complete NPI Profile along with additional information for Earl Harrison, a provider established in Havre, Montana with a medical specialization in Specialist. The healthcare provider is registered in the NPI registry with number 1790778942 assigned on August 2005. The practitioner's primary taxonomy code is 174400000X with license number 4750 (MT). The provider is registered as an individual and his NPI record was last updated 3 years ago.

NPI
1790778942
Provider Name
EARL R HARRISON JR. MD
Gender
Male
Entity Type
Individual
Location Address
30 13TH ST HAVRE, MT 59501
Location Phone
(406) 265-5827
Location Fax
(406) 265-5949
Mailing Address
PO BOX 1540 HAVRE, MT 59501
Mailing Phone
(406) 265-5827
Mailing Fax
(406) 265-5949
Is Sole Proprietor?
No
Enumeration Date
08-23-2005
Last Update Date
04-20-2023
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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

Specialist

Taxonomy Code
174400000X
Type
Other Service Providers
License No.
4750
License State
MT
Taxonomy Description
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.

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.

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
1778-0OTHER (01)MTBC
300018917OTHER (01)MORR MEDICARE
0071591MEDICAID (05)MT 

Medicare Participation & PECOS Enrollment Status

Earl Harrison 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.

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 25 times for 23 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 22 times for 22 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 12 times for 12 patients

Dxa bone density measurement of hip, pelvis, spine

A 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 11 times for 11 patients

Screening 3d breast mammography

Screening 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 26 times for 26 patients

Screening mammography

Screening 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 25 times for 25 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 50 times for 38 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 49 times for 46 patients

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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 1790778942, we treat the final digit (2) 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 78. The final step is to find the difference between that total and the next multiple of ten (80 - 78 = 2).

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
7
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
0
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
7
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
9
Unchanged
Pos 9
4
Doubled → 8
Check
2
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 9 → 18 → 9 7 → 14 → 5 8 → 16 → 7 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 1 + 8 + 0 + 1 + 4 + 7 + 1 + 6 + 9 + 8 + 24 = 78

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

The next multiple of ten after 78 is 80. The difference is the calculated check digit.

80 - 78 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1790778942.

Other Providers at the Same Location


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

Emergency Medicine
30 13TH ST
HAVRE, MT 59501
Nurse Anesthetist, Certified Registered
30 13TH ST
HAVRE, MT 59501
Nurse Anesthetist, Certified Registered
30 13TH ST
HAVRE, MT 59501
Specialist
30 13TH ST
HAVRE, MT 59501
Specialist
30 13TH ST
HAVRE, MT 59501
Family Medicine
30 13TH ST
HAVRE, MT 59501
Specialist
30 13TH ST
HAVRE, MT 59501
Dietitian, Registered
30 13TH ST
HAVRE, MT 59501
Registered Nurse (Diabetes Educator)
30 13TH ST
HAVRE, MT 59501
Dietitian, Registered
30 13TH ST
HAVRE, MT 59501
Pathology (Anatomic Pathology & Clinical Pathology)
30 13TH ST
HAVRE, MT 59501
Physician Assistant
30 13TH ST
HAVRE, MT 59501
Radiology Practitioner Assistant
30 13TH ST
HAVRE, MT 59501
Family Medicine
30 13TH ST
HAVRE, MT 59501
Nurse Anesthetist, Certified Registered
30 13TH ST
HAVRE, MT 59501
Registered Nurse
30 13TH ST
HAVRE, MT 59501
Nurse Anesthetist, Certified Registered
30 13TH ST
HAVRE, MT 59501
General Practice
30 13TH ST
HAVRE, MT 59501
Radiology (Body Imaging)
30 13TH ST
HAVRE, MT 59501
Nurse Anesthetist, Certified Registered
30 13TH ST
HAVRE, MT 59501

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1790778942, enumerated as an "individual" on August 23, 2005.

The provider is located at 30 13TH ST HAVRE, MT 59501 and the phone number is (406) 265-5827.

Specialist with taxonomy code 174400000X.

The provider might be accepting Accepts: Medicare, Medicaid and Railroad Medicare. Please consult your insurance carrier or call the provider to verify.