WEST COAST OPTICAL
NPI 1346393857
Eyewear Supplier in Philadelphia, PA

NPI Status: Active since January 19, 2007

Contact Information

834 CHESTNUT ST
PHILADELPHIA, PA
ZIP 19107
Phone: (215) 351-9111

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  • Organization
  • Eyewear Supplier

About WEST COAST OPTICAL

This page provides the complete NPI Profile along with additional information for West Coast Optical, a provider established in Philadelphia, Pennsylvania operating as a Eyewear Supplier. The healthcare provider is registered in the NPI registry with number 1346393857 assigned on January 2007. The practitioner's primary taxonomy code is 332H00000X. The provider is registered as an organization and their NPI record was last updated 4 years ago. The authorized official of this NPI record is Mr. Mark Feldscher (Owner)

NPI
1346393857
Provider Name
WEST COAST OPTICAL
Entity Type
Organization
Location Address
834 CHESTNUT ST PHILADELPHIA, PA 19107
Location Phone
(215) 351-9111
Mailing Address
834 CHESTNUT ST PHILADELPHIA, PA 19107
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
01-19-2007
Last Update Date
07-21-2022
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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

Eyewear Supplier

Taxonomy Code
332H00000X
Type
Suppliers
License State
PA
Taxonomy Description
An organization that provides spectacles, contact lenses, and other vision enhancement devices prescribed by an optometrist or ophthalmologist.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

MR. MARK FELDSCHER

Authorized Official Title
OWNER
Authorized Official Phone
(215) 351-9111

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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 1346393857, we treat the final digit (7) 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 73. The final step is to find the difference between that total and the next multiple of ten (80 - 73 = 7).

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

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 8 + 6 + 6 + 9 + 6 + 8 + 1 + 0 + 24 = 73

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

The next multiple of ten after 73 is 80. The difference is the calculated check digit.

80 - 73 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1346393857.

Other Providers at the Same Location


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

Dentist
834 CHESTNUT ST, SUITE 415
PHILADELPHIA, PA 19107
Obstetrics & Gynecology (Gynecology)
834 CHESTNUT ST, SUITE T-171
PHILADELPHIA, PA 19107
Dentist (Orthodontics and Dentofacial Orthopedics)
834 CHESTNUT ST, SUITE M209
PHILADELPHIA, PA 19107
Orthopaedic Surgery (Hand Surgery)
834 CHESTNUT ST, SUITE G114
PHILADELPHIA, PA 19107
Obstetrics & Gynecology
834 CHESTNUT ST, SUITE 300
PHILADELPHIA, PA 19107
Obstetrics & Gynecology (Maternal & Fetal Medicine)
834 CHESTNUT ST, SUITE 420
PHILADELPHIA, PA 19107
Advanced Practice Midwife
834 CHESTNUT ST, SUITE 400
PHILADELPHIA, PA 19107
Psychiatry & Neurology (Psychiatry)
834 CHESTNUT ST, SUITE T-140
PHILADELPHIA, PA 19107
Occupational Therapist (Hand)
834 CHESTNUT ST, SUITE G114
PHILADELPHIA, PA 19107
Psychiatry & Neurology (Psychiatry)
834 CHESTNUT ST, SUITE 427
PHILADELPHIA, PA 19107
Occupational Therapist (Hand)
834 CHESTNUT ST, SUITE G114
PHILADELPHIA, PA 19107
Dentist
834 CHESTNUT ST, SUITE 415
PHILADELPHIA, PA 19107
Dietitian, Registered
834 CHESTNUT ST
PHILADELPHIA, PA 19107
Dentist (Orthodontics and Dentofacial Orthopedics)
834 CHESTNUT ST, M209
PHILADELPHIA, PA 19107
Radiology (Therapeutic Radiology)
834 CHESTNUT ST, APT 1011
PHILADELPHIA, PA 19107
General Acute Care Hospital
834 CHESTNUT ST, SUITE T150
PHILADELPHIA, PA 19107
Physical Medicine & Rehabilitation (Pain Medicine)
834 CHESTNUT ST, T150
PHILADELPHIA, PA 19107
Nurse Practitioner (Adult Health)
834 CHESTNUT ST
PHILADELPHIA, PA 19107
Clinic/Center (Family Planning, Non-Surgical)
834 CHESTNUT ST, SUITE 400
PHILADELPHIA, PA 19107
Orthopaedic Surgery (Hand Surgery)
834 CHESTNUT ST, SUITE G114
PHILADELPHIA, PA 19107

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1346393857, enumerated as an "organization" on January 19, 2007.

The provider is located at 834 CHESTNUT ST PHILADELPHIA, PA 19107 and the phone number is (215) 351-9111.

Eyewear Supplier with taxonomy code 332H00000X.