WILLIAM H. FREUND
NPI 1619161601
Technician/Technologist - Optician in Linwood, NJ

NPI Status: Active since September 01, 2007

Contact Information

71 CENTRAL SQ
LINWOOD, NJ
ZIP 08221
Phone: (609) 927-0990

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  • Individual
  • Male
  • Technician/Technologist
  • Optician

About WILLIAM FREUND

This page provides the complete NPI Profile along with additional information for William Freund, a provider established in Linwood, New Jersey with a medical specialization in Technician/technologist, focusing in optician . The healthcare provider is registered in the NPI registry with number 1619161601 assigned on September 2007. The practitioner's primary taxonomy code is 156FX1800X with license number 31 TD00077300 (NJ). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1619161601
Provider Name
WILLIAM H. FREUND
Other Name
WILLIAM HENRY FREUND JR. OPHTHALMIC DISPENSER
Other Name Type
Other Name (5)
Gender
Male
Entity Type
Individual
Location Address
71 CENTRAL SQ LINWOOD, NJ 08221
Location Phone
(609) 927-0990
Mailing Address
71 CENTRAL SQ LINWOOD, NJ 08221
Mailing Phone
(609) 927-0990
Is Sole Proprietor?
No
Enumeration Date
09-01-2007
Last Update Date
09-01-2007
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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

Technician/Technologist Optician

Taxonomy Code
156FX1800X
Type
Eye and Vision Services Providers
License No.
31 TD00077300
License State
NJ
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.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1156FC0800XEye and Vision Services Providers

Technician/Technologist
Contact Lens

31TD00077300 (NJ)
2156FX1700XEye and Vision Services Providers

Technician/Technologist
Ocularist

31TD00077300 (NJ)

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.

*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
0126365MEDICAID (05)NJ 
0606770001MEDICARE NSC (07) 

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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 1619161601, we treat the final digit (1) 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 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 1).

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
6
Unchanged
Pos 3
1
Doubled → 2
Pos 4
9
Unchanged
Pos 5
1
Doubled → 2
Pos 6
6
Unchanged
Pos 7
1
Doubled → 2
Pos 8
6
Unchanged
Pos 9
0
Doubled → 0
Check
1
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 1 → 2 1 → 2 1 → 2 0 → 0

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 2 + 9 + 2 + 6 + 2 + 6 + 0 + 24 = 59

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

The next multiple of ten after 59 is 60. The difference is the calculated check digit.

60 - 59 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1619161601.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1619161601, enumerated as an "individual" on September 01, 2007.

The provider is located at 71 CENTRAL SQ LINWOOD, NJ 08221 and the phone number is (609) 927-0990.

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

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