THOMAS M ALLISON M.D.
NPI 1558365544
Ophthalmology in Birmingham, AL

NPI Status: Active since June 08, 2005

Contact Information

2700 10TH AVE S
STE 402
BIRMINGHAM, AL
ZIP 35205
Phone: (205) 933-0439
Fax: (205) 939-1462

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  • Individual
  • Male
  • Ophthalmology

About THOMAS ALLISON

This page provides the complete NPI Profile along with additional information for Thomas Allison, a provider established in Birmingham, Alabama with a medical specialization in Ophthalmology. The healthcare provider is registered in the NPI registry with number 1558365544 assigned on June 2005. The practitioner's primary taxonomy code is 207W00000X with license number 7074 (AL). The provider is registered as an individual and his NPI record was last updated 17 years ago.

NPI
1558365544
Provider Name
THOMAS M ALLISON M.D.
Gender
Male
Entity Type
Individual
Location Address
2700 10TH AVE S STE 402 BIRMINGHAM, AL 35205
Location Phone
(205) 933-0439
Location Fax
(205) 939-1462
Mailing Address
2700 10TH AVE S STE 402 BIRMINGHAM, AL 35205
Mailing Phone
(205) 933-0439
Mailing Fax
(205) 939-1462
Is Sole Proprietor?
No
Enumeration Date
06-08-2005
Last Update Date
05-05-2009
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Ophthalmologists like Thomas Allison 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.
7074
License State
AL
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.

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.

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
051048659OTHER (01)ALBC/BS
C75110MEDICARE UPIN (02)AL 
000000080MEDICAID (05)AL 
000000080MEDICARE ID-TYPE UNSPECIFIED (04)AL 
180000402OTHER (01)ALPALMETTO GPA RR 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 1558365544, 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 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
5
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
8
Unchanged
Pos 5
3
Doubled → 6
Pos 6
6
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
5
Unchanged
Pos 9
4
Doubled → 8
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 5 → 10 → 1 3 → 6 5 → 10 → 1 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 1 + 0 + 8 + 6 + 6 + 1 + 0 + 5 + 8 + 24 = 66

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

The next multiple of ten after 66 is 70. The difference is the calculated check digit.

70 - 66 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1558365544.

Other Providers at the Same Location


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

Physician Assistant (Surgical)
2700 10TH AVE S, STE 200
BIRMINGHAM, AL 35205
Orthopaedic Surgery
2700 10TH AVE S, STE 200
BIRMINGHAM, AL 35205
Surgery
2700 10TH AVE S, SUITE 403
BIRMINGHAM, AL 35205
Optometrist (Corneal and Contact Management)
2700 10TH AVE S, SUITE 404
BIRMINGHAM, AL 35205
Obstetrics & Gynecology
2700 10TH AVE S, SUITE 306
BIRMINGHAM, AL 35205
Obstetrics & Gynecology
2700 10TH AVE S, SUITE 306
BIRMINGHAM, AL 35205
Obstetrics & Gynecology
2700 10TH AVE S, SUITE 306
BIRMINGHAM, AL 35205
Otolaryngology
2700 10TH AVE S, SUITE 502
BIRMINGHAM, AL 35205
Obstetrics & Gynecology
2700 10TH AVE S, POB 2 SUITE 306
BIRMINGHAM, AL 35205
Dermatology
2700 10TH AVE S, SUITE 501
BIRMINGHAM, AL 35205
Internal Medicine (Gastroenterology)
2700 10TH AVE S, STE 406
BIRMINGHAM, AL 35205
Nurse Practitioner (Pediatrics)
2700 10TH AVE S, POB 2, SUITE 401
BIRMINGHAM, AL 35205
Specialist
2700 10TH AVE S, SUITE 509
BIRMINGHAM, AL 35205
Durable Medical Equipment & Medical Supplies
2700 10TH AVE S, SUITE 200A
BIRMINGHAM, AL 35205
Dermatology
2700 10TH AVE S, SUITE 400
BIRMINGHAM, AL 35205
Dermatology
2700 10TH AVE S, SUITE 501
BIRMINGHAM, AL 35205
Physical Therapist
2700 10TH AVE S, SUITE 103
BIRMINGHAM, AL 35205
Anesthesiology (Pain Medicine)
2700 10TH AVE S, STE 407
BIRMINGHAM, AL 35205
Surgery
2700 10TH AVE S, SUITE 510
BIRMINGHAM, AL 35205
Audiologist
2700 10TH AVE S, SUITE 502
BIRMINGHAM, AL 35205

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1558365544, enumerated as an "individual" on June 08, 2005.

The provider is located at 2700 10TH AVE S STE 402 BIRMINGHAM, AL 35205 and the phone number is (205) 933-0439.

Ophthalmology with taxonomy code 207W00000X.

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