FELIX SHLOSMAN
NPI 1154748978
Technician/Technologist - Optician in Brookline, MA

NPI Status: Active since March 19, 2014

Contact Information

44 WASHINGTON ST
A 103
BROOKLINE, MA
ZIP 02445
Phone: (617) 739-0123
Fax: (617) 739-0355

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  • Individual
  • Male
  • Technician/Technologist
  • Optician

About FELIX SHLOSMAN

This page provides the complete NPI Profile along with additional information for Felix Shlosman, a provider established in Brookline, Massachusetts with a medical specialization in Technician/technologist, focusing in optician . The healthcare provider is registered in the NPI registry with number 1154748978 assigned on March 2014. The practitioner's primary taxonomy code is 156FX1800X with license number 4287 (MA). The provider is registered as an individual and his NPI record was last updated 12 years ago.

NPI
1154748978
Provider Name
FELIX SHLOSMAN
Gender
Male
Entity Type
Individual
Location Address
44 WASHINGTON ST A 103 BROOKLINE, MA 02445
Location Phone
(617) 739-0123
Location Fax
(617) 739-0355
Mailing Address
PO BOX 1864 BROOKLINE, MA 02446
Mailing Phone
(617) 739-0123
Mailing Fax
(617) 739-0355
Is Sole Proprietor?
Yes
Enumeration Date
03-19-2014
Last Update Date
03-19-2014
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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

Technician/Technologist Optician

Taxonomy Code
156FX1800X
Type
Eye and Vision Services Providers
License No.
4287
License State
MA
Taxonomy Description
Opticians help fit eyeglasses and contact lenses, following prescriptions from Ophthalmologists and Optometrists. They also help customers decide which eyeglass frame or contact lenses to buy.

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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 1154748978, we treat the final digit (8) 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 62. The final step is to find the difference between that total and the next multiple of ten (70 - 62 = 8).

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
1
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
4
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
4
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
9
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
8
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 5 → 10 → 1 7 → 14 → 5 8 → 16 → 7 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 1 + 0 + 4 + 1 + 4 + 4 + 1 + 6 + 9 + 1 + 4 + 24 = 62

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

The next multiple of ten after 62 is 70. The difference is the calculated check digit.

70 - 62 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1154748978.

Other Providers at the Same Location


The following 8 providers are registered at the same or a nearby location.

Ophthalmology
44 WASHINGTON ST
BROOKLINE, MA 02445
Ophthalmology
44 WASHINGTON ST
BROOKLINE, MA 02445
Audiologist-Hearing Aid Fitter
44 WASHINGTON ST, SUITE 102A
BROOKLINE, MA 02445
Clinic/Center (Physical Therapy)
44 WASHINGTON ST, SUITE 104
BROOKLINE, MA 02445
Audiologist
44 WASHINGTON ST, SUITE 102A
BROOKLINE, MA 02445
Physical Therapist
44 WASHINGTON ST, SUITE 104
BROOKLINE, MA 02445
Ophthalmology
44 WASHINGTON ST, SUITE 103
BROOKLINE, MA 02445
Ophthalmology
44 WASHINGTON ST
BROOKLINE, MA 02445

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1154748978, enumerated as an "individual" on March 19, 2014.

The provider is located at 44 WASHINGTON ST A 103 BROOKLINE, MA 02445 and the phone number is (617) 739-0123.

Technician/Technologist with taxonomy code 156FX1800X and a focus in Optician.