DR. LOUIS IRA GORDON O.D.
NPI 1629075197
Optometrist in Frederick, MD

NPI Status: Active since June 30, 2005

Contact Information

7810 WORMANS MILL RD
SUITE C
FREDERICK, MD
ZIP 21701
Phone: (301) 228-2666
Fax: (301) 228-2119

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  • Individual
  • Male
  • Optometrist

About LOUIS GORDON

This page provides the complete NPI Profile along with additional information for Louis Gordon, a provider established in Frederick, Maryland with a medical specialization in Optometrist. The healthcare provider is registered in the NPI registry with number 1629075197 assigned on June 2005. The practitioner's primary taxonomy code is 152W00000X with license number TA0647 (MD). The provider is registered as an individual and his NPI record was last updated 12 years ago.

NPI
1629075197
Provider Name
DR. LOUIS IRA GORDON O.D.
Gender
Male
Entity Type
Individual
Location Address
7810 WORMANS MILL RD SUITE C FREDERICK, MD 21701
Location Phone
(301) 228-2666
Location Fax
(301) 228-2119
Mailing Address
1950 OLD GALLOWS RD SUITE 520 VIENNA, VA 22182
Mailing Phone
(703) 847-8899
Mailing Fax
(301) 228-2119
Is Sole Proprietor?
No
Enumeration Date
06-30-2005
Last Update Date
12-03-2014
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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

Optometrist

Taxonomy Code
152W00000X
Type
Eye and Vision Services Providers
License No.
TA0647
License State
MD
Taxonomy Description
Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.

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.

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
0923640001OTHER (01)MDDMERC A DME REGION A
0923640001MEDICARE NSC (07)MD 
T59988MEDICARE UPIN (02)MD 
410031313OTHER (01)MDRAILROAD MEDICARE

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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 1629075197, 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 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 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
6
Unchanged
Pos 3
2
Doubled → 4
Pos 4
9
Unchanged
Pos 5
0
Doubled → 0
Pos 6
7
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
1
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
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 2 → 4 0 → 0 5 → 10 → 1 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 4 + 9 + 0 + 7 + 1 + 0 + 1 + 1 + 8 + 24 = 63

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

The next multiple of ten after 63 is 70. The difference is the calculated check digit.

70 - 63 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1629075197.

Other Providers at the Same Location


The following 3 providers are registered at the same or a nearby location.

Dentist (General Practice)
7810 WORMANS MILL RD, STE D
FREDERICK, MD 21701
Optometrist
7810 WORMANS MILL RD
FREDERICK, MD 21701
Optometrist
7810 WORMANS MILL RD, SUITE C
FREDERICK, MD 21701

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1629075197, enumerated as an "individual" on June 30, 2005.

The provider is located at 7810 WORMANS MILL RD SUITE C FREDERICK, MD 21701 and the phone number is (301) 228-2666.

Optometrist with taxonomy code 152W00000X.

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