DR. DANIEL HUGH O'LEARY M.D.
NPI 1841398385
Radiology - Diagnostic Radiology in Dorchester, MA

NPI Status: Active since September 20, 2006

Contact Information

2100 DORCHESTER AVE
DORCHESTER, MA
ZIP 02124
Phone: (617) 506-2000
Fax: (617) 474-3811

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  • Individual
  • Male
  • Radiology
  • Diagnostic Radiology

About DANIEL O'LEARY

This page provides the complete NPI Profile along with additional information for Daniel O'leary, a provider established in Dorchester, Massachusetts with a medical specialization in Radiology, focusing in diagnostic radiology . The healthcare provider is registered in the NPI registry with number 1841398385 assigned on September 2006. The practitioner's primary taxonomy code is 2085R0202X with license number 32840 (MA). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1841398385
Provider Name
DR. DANIEL HUGH O'LEARY M.D.
Gender
Male
Entity Type
Individual
Location Address
2100 DORCHESTER AVE DORCHESTER, MA 02124
Location Phone
(617) 506-2000
Location Fax
(617) 474-3811
Mailing Address
2100 DORCHESTER AVE DORCHESTER, MA 02124
Mailing Phone
(617) 506-2000
Mailing Fax
(617) 474-3811
Is Sole Proprietor?
No
Enumeration Date
09-20-2006
Last Update Date
07-08-2007
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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 Diagnostic Radiology

Taxonomy Code
2085R0202X
Type
Allopathic & Osteopathic Physicians
License No.
32840
License State
MA
Taxonomy Description
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.

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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 1841398385, we treat the final digit (5) 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 75. The final step is to find the difference between that total and the next multiple of ten (80 - 75 = 5).

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
8
Unchanged
Pos 3
4
Doubled → 8
Pos 4
1
Unchanged
Pos 5
3
Doubled → 6
Pos 6
9
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
3
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
5
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 4 → 8 3 → 6 8 → 16 → 7 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 8 + 1 + 6 + 9 + 1 + 6 + 3 + 1 + 6 + 24 = 75

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

The next multiple of ten after 75 is 80. The difference is the calculated check digit.

80 - 75 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1841398385.

Other Providers at the Same Location


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

Urology
2100 DORCHESTER AVE, SUITE 2206
DORCHESTER CENTER, MA 02124
Anesthesiology
2100 DORCHESTER AVE
DORCHESTER CENTER, MA 02124
Surgery
2100 DORCHESTER AVE
DORCHESTER CENTER, MA 02124
Emergency Medicine
2100 DORCHESTER AVE
DORCHESTER CENTER, MA 02124
Internal Medicine (Cardiovascular Disease)
2100 DORCHESTER AVE
DORCHESTER CENTER, MA 02124
Obstetrics & Gynecology
2100 DORCHESTER AVE, MEDICAL OFFICE BUILDING SUITE 104
DORCHESTER, MA 02124
Internal Medicine
2100 DORCHESTER AVE
DORCHESTER CENTER, MA 02124
Internal Medicine
2100 DORCHESTER AVE
DORCHESTER CENTER, MA 02124
Internal Medicine
2100 DORCHESTER AVE
DORCHESTER CENTER, MA 02124
Internal Medicine (Geriatric Medicine)
2100 DORCHESTER AVE, AMBULATORY CARE CENTER
DORCHESTER CENTER, MA 02124
Internal Medicine
2100 DORCHESTER AVE, SUITE 2203
DORCHESTER, MA 02124
Internal Medicine (Cardiovascular Disease)
2100 DORCHESTER AVE
DORCHESTER CENTER, MA 02124
Pediatrics
2100 DORCHESTER AVE
DORCHESTER CENTER, MA 02124
Psychiatry & Neurology (Psychiatry)
2100 DORCHESTER AVE, 4 SOUTH
DORCHESTER CENTER, MA 02124
Podiatrist (Foot & Ankle Surgery)
2100 DORCHESTER AVE
DORCHESTER CENTER, MA 02124
Internal Medicine
2100 DORCHESTER AVE
DORCHESTER CENTER, MA 02124
Internal Medicine (Geriatric Medicine)
2100 DORCHESTER AVE
DORCHESTER CENTER, MA 02124
Emergency Medicine
2100 DORCHESTER AVE
DORCHESTER CENTER, MA 02124
Radiology (Diagnostic Radiology)
2100 DORCHESTER AVE
BOSTON, MA 02124
Nurse Anesthetist, Certified Registered
2100 DORCHESTER AVE
DORCHESTER CENTER, MA 02124

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1841398385, enumerated as an "individual" on September 20, 2006.

The provider is located at 2100 DORCHESTER AVE DORCHESTER, MA 02124 and the phone number is (617) 506-2000.

Radiology with taxonomy code 2085R0202X and a focus in Diagnostic Radiology.