DR. ELLEN L. PREWITT O.D.
NPI 1972016624
Optometrist in Tuscaloosa, AL

NPI Status: Active since November 15, 2017

Contact Information

3701 LOOP RD
TUSCALOOSA, AL
ZIP 35404
Phone: (205) 554-2000

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  • Individual
  • Female
  • Optometrist

About ELLEN PREWITT

This page provides the complete NPI Profile along with additional information for Ellen Prewitt, a provider established in Tuscaloosa, Alabama with a medical specialization in Optometrist. The healthcare provider is registered in the NPI registry with number 1972016624 assigned on November 2017. The practitioner's primary taxonomy code is 152W00000X with license number S-D97-TA-A96 (AL). The provider is registered as an individual and her NPI record was last updated 9 years ago.

NPI
1972016624
Provider Name
DR. ELLEN L. PREWITT O.D.
Gender
Female
Entity Type
Individual
Location Address
3701 LOOP RD TUSCALOOSA, AL 35404
Location Phone
(205) 554-2000
Mailing Address
55 GLENWOOD ST MOBILE, AL 36606
Mailing Phone
(251) 623-9090
Is Sole Proprietor?
No
Enumeration Date
11-15-2017
Last Update Date
11-15-2017
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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.
S-D97-TA-A96
License State
AL
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.

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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 1972016624, we treat the final digit (4) 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 56. The final step is to find the difference between that total and the next multiple of ten (60 - 56 = 4).

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
9
Unchanged
Pos 3
7
Doubled → 14 → 1 + 4
Pos 4
2
Unchanged
Pos 5
0
Doubled → 0
Pos 6
1
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
6
Unchanged
Pos 9
2
Doubled → 4
Check
4
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 0 → 0 6 → 12 → 3 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 1 + 4 + 2 + 0 + 1 + 1 + 2 + 6 + 4 + 24 = 56

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

The next multiple of ten after 56 is 60. The difference is the calculated check digit.

60 - 56 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1972016624.

Other Providers at the Same Location


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

Pharmacist (Pharmacotherapy)
3701 LOOP RD
TUSCALOOSA, AL 35404
Internal Medicine (Gastroenterology)
3701 LOOP RD, VA MEDICAL CENTER (679/11)
TUSCALOOSA, AL 35404
Psychiatry & Neurology (Psychiatry)
3701 LOOP RD, TUSCALOOSA VA MEDICAL CENTER
TUSCALOOSA, AL 35404
Internal Medicine (Geriatric Medicine)
3701 LOOP RD
TUSCALOOSA, AL 35404
Psychiatry & Neurology (Psychiatry)
3701 LOOP RD, TUSCALOOSA VA MEDICAL CENTER
TUSCALOOSA, AL 35404
Psychiatry & Neurology (Psychiatry)
3701 LOOP RD
TUSCALOOSA, AL 35404
Dentist (General Practice)
3701 LOOP RD
TUSCALOOSA, AL 35404
Psychiatry & Neurology (Geriatric Psychiatry)
3701 LOOP RD
TUSCALOOSA, AL 35404
Internal Medicine
3701 LOOP RD
TUSCALOOSA, AL 35404
Internal Medicine
3701 LOOP RD
TUSCALOOSA, AL 35404
Psychiatry & Neurology (Geriatric Psychiatry)
3701 LOOP RD
TUSCALOOSA, AL 35404
Family Medicine
3701 LOOP RD
TUSCALOOSA, AL 35404
Clinical Nurse Specialist (Psychiatric/Mental Health)
3701 LOOP RD
TUSCALOOSA, AL 35404
Internal Medicine
3701 LOOP RD
TUSCALOOSA, AL 35404
Social Worker
3701 LOOP RD
TUSCALOOSA, AL 35404
Psychiatry & Neurology (Psychiatry)
3701 LOOP RD
TUSCALOOSA, AL 35404
Social Worker (Clinical)
3701 LOOP RD
TUSCALOOSA, AL 35404
Social Worker (Clinical)
3701 LOOP RD
TUSCALOOSA, AL 35404
Social Worker (Clinical)
3701 LOOP RD
TUSCALOOSA, AL 35404
Social Worker (Clinical)
3701 LOOP RD
TUSCALOOSA, AL 35404

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1972016624, enumerated as an "individual" on November 15, 2017.

The provider is located at 3701 LOOP RD TUSCALOOSA, AL 35404 and the phone number is (205) 554-2000.

Optometrist with taxonomy code 152W00000X.