TERRY L ALKANA MD
NPI 1770666307
Ophthalmology in Torrance, CA

NPI Status: Active since October 24, 2006

Contact Information

19000 HAWTHORNE BLVD
SUITE 110
TORRANCE, CA
ZIP 90503
Phone: (310) 370-3628
Fax: (310) 371-7863

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  • Individual
  • Male
  • Ophthalmology

About TERRY ALKANA

This page provides the complete NPI Profile along with additional information for Terry Alkana, a provider established in Torrance, California with a medical specialization in Ophthalmology. The healthcare provider is registered in the NPI registry with number 1770666307 assigned on October 2006. The practitioner's primary taxonomy code is 207W00000X with license number WG41544 (CA). The provider is registered as an individual and his NPI record was last updated 3 years ago.

NPI
1770666307
Provider Name
TERRY L ALKANA MD
Gender
Male
Entity Type
Individual
Location Address
19000 HAWTHORNE BLVD SUITE 110 TORRANCE, CA 90503
Location Phone
(310) 370-3628
Location Fax
(310) 371-7863
Mailing Address
19000 HAWTHORNE BLVD STEPHEN C DINSMORE MD INC #110 TORRANCE, CA 90503
Mailing Phone
(310) 318-9313
Mailing Fax
(310) 371-7863
Is Sole Proprietor?
No
Enumeration Date
10-24-2006
Last Update Date
03-07-2023
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Ophthalmologists like Terry Alkana specialize in diagnosing and treating eye conditions. They may perform surgeries to correct vision issues or prevent vision loss due to diseases like glaucoma. Additionally, they can provide eyeglasses, prescribe contact lenses, and offer other vision-related services.

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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

Taxonomy Code
207W00000X
Type
Allopathic & Osteopathic Physicians
License No.
WG41544
License State
CA
Taxonomy Description
An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.

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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 1770666307, 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 53. The final step is to find the difference between that total and the next multiple of ten (60 - 53 = 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
7
Unchanged
Pos 3
7
Doubled → 14 → 1 + 4
Pos 4
0
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
6
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
3
Unchanged
Pos 9
0
Doubled → 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 7 → 14 → 5 6 → 12 → 3 6 → 12 → 3 0 → 0

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 1 + 4 + 0 + 1 + 2 + 6 + 1 + 2 + 3 + 0 + 24 = 53

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

The next multiple of ten after 53 is 60. The difference is the calculated check digit.

60 - 53 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1770666307.

Other Providers at the Same Location


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

Orthopaedic Surgery (Orthopaedic Trauma)
19000 HAWTHORNE BLVD, #100
TORRANCE, CA 90503
Physical Therapist
19000 HAWTHORNE BLVD
TORRANCE, CA 90503
Occupational Therapist (Hand)
19000 HAWTHORNE BLVD, SUITE 230
TORRANCE, CA 90503
Orthopaedic Surgery
19000 HAWTHORNE BLVD, #100
TORRANCE, CA 90503
Orthopaedic Surgery (Orthopaedic Surgery of the Spine)
19000 HAWTHORNE BLVD, SUITE 100
TORRANCE, CA 90503
Orthopaedic Surgery
19000 HAWTHORNE BLVD, SUITE 100
TORRANCE, CA 90503
Dentist (Oral and Maxillofacial Surgery)
19000 HAWTHORNE BLVD, SUITE# 222
TORRANCE, CA 90503
Occupational Therapist (Hand)
19000 HAWTHORNE BLVD, SUITE 230
TORRANCE, CA 90503
Ophthalmology
19000 HAWTHORNE BLVD, #110
TORRANCE, CA 90503
Orthopaedic Surgery
19000 HAWTHORNE BLVD, 100
TORRANCE, CA 90503
Dentist (General Practice)
19000 HAWTHORNE BLVD, SUITE 333
TORRANCE, CA 90503
Dentist (General Practice)
19000 HAWTHORNE BLVD, SUITE 400
TORRANCE, CA 90503
Physical Therapist
19000 HAWTHORNE BLVD, #300
TORRANCE, CA 90503
Orthopaedic Surgery (Hand Surgery)
19000 HAWTHORNE BLVD, #100
TORRANCE, CA 90503
Physical Therapist
19000 HAWTHORNE BLVD, #300
TORRANCE, CA 90503
Physical Therapist
19000 HAWTHORNE BLVD, #300
TORRANCE, CA 90503
Chiropractor (Rehabilitation)
19000 HAWTHORNE BLVD, STE 302
TORRANCE, CA 90503
Physical Therapist
19000 HAWTHORNE BLVD, #300
TORRANCE, CA 90503
Pharmacy (Community/Retail Pharmacy)
19000 HAWTHORNE BLVD, SUITE 302
TORRANCE, CA 90503
Occupational Therapist (Hand)
19000 HAWTHORNE BLVD, SUITE 230
TORRANCE, CA 90503

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1770666307, enumerated as an "individual" on October 24, 2006.

The provider is located at 19000 HAWTHORNE BLVD SUITE 110 TORRANCE, CA 90503 and the phone number is (310) 370-3628.

Ophthalmology with taxonomy code 207W00000X.