DR. BRIAN BALLIOS MD, PHD
NPI 1447869839
Ophthalmology - Retina Specialist in Boston, MA

NPI Status: Active since July 30, 2020

Contact Information

243 CHARLES ST RM 319
BOSTON, MA
ZIP 02114
Phone: (617) 573-3621

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  • Individual
  • Male
  • Ophthalmology
  • Retina Specialist

About BRIAN BALLIOS

This page provides the complete NPI Profile along with additional information for Brian Ballios, a provider established in Boston, Massachusetts with a medical specialization in Ophthalmology, focusing in retina specialist . The healthcare provider is registered in the NPI registry with number 1447869839 assigned on July 2020. The practitioner's primary taxonomy code is 207WX0107X with license number 283016 (MA). The provider is registered as an individual and his NPI record was last updated 6 years ago.

NPI
1447869839
Provider Name
DR. BRIAN BALLIOS MD, PHD
Gender
Male
Entity Type
Individual
Location Address
243 CHARLES ST RM 319 BOSTON, MA 02114
Location Phone
(617) 573-3621
Mailing Address
8 WHITTIER PL APT 21A BOSTON, MA 02114
Mailing Phone
(617) 510-8752
Is Sole Proprietor?
No
Enumeration Date
07-30-2020
Last Update Date
08-17-2020
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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

Ophthalmology Retina Specialist

Taxonomy Code
207WX0107X
Type
Allopathic & Osteopathic Physicians
License No.
283016
License State
MA
Taxonomy Description
An ophthalmologist who specializes in the diagnosis and treatment of vitreoretinal diseases.

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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 1447869839, 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 81. The final step is to find the difference between that total and the next multiple of ten (90 - 81 = 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
4
Unchanged
Pos 3
4
Doubled → 8
Pos 4
7
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
6
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
8
Unchanged
Pos 9
3
Doubled → 6
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 4 → 8 8 → 16 → 7 9 → 18 → 9 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 8 + 7 + 1 + 6 + 6 + 1 + 8 + 8 + 6 + 24 = 81

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

The next multiple of ten after 81 is 90. The difference is the calculated check digit.

90 - 81 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1447869839.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1447869839, enumerated as an "individual" on July 30, 2020.

The provider is located at 243 CHARLES ST RM 319 BOSTON, MA 02114 and the phone number is (617) 573-3621.

Ophthalmology with taxonomy code 207WX0107X and a focus in Retina Specialist.