DR. ALEXANDER MATHEW M.D.
NPI 1548289945
Colon & Rectal Surgery in Memphis, TN
NPI Status: Active since July 18, 2006
Contact Information
1030 JEFFERSON AVE
MEMPHIS, TN
ZIP 38104
Phone: (901) 523-8990
Some details in this NPI profile have been updated in the NPI registry within the last 30 days.
- Individual
- Male
- Colon & Rectal Surgery
About ALEXANDER MATHEW
This page provides the complete NPI Profile along with additional information for Alexander Mathew, a provider established in Memphis, Tennessee with a medical specialization in Colon & Rectal Surgery. The healthcare provider is registered in the NPI registry with number 1548289945 assigned on July 2006. The practitioner's primary taxonomy code is 208C00000X with license number 41479 (TN). The provider is registered as an individual and his NPI record was last updated June 2026.
- NPI
- 1548289945
- Provider Name
- DR. ALEXANDER MATHEW M.D.
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 1030 JEFFERSON AVE MEMPHIS, TN 38104
- Location Phone
- (901) 523-8990
- Mailing Address
- 1030 JEFFERSON AVE MEMPHIS, TN 38104
- Mailing Phone
- (901) 523-8990
- Is Sole Proprietor?
- No
- Enumeration Date
- 07-18-2006
- Last Update Date
- 06-11-2026
- Code Navigator
Location Map
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
Colon & Rectal Surgery
- Taxonomy Code
- 208C00000X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- 41479
- License State
- TN
- Taxonomy Description
- A colon and rectal surgeon is trained to diagnose and treat various diseases of the intestinal tract, colon, rectum, anal canal and perianal area by medical and surgical means. This specialist also deals with other organs and tissues (such as the liver, urinary and female reproductive system) involved with primary intestinal disease.
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) |
|---|---|---|---|---|
| 1 | 208600000X | Allopathic & Osteopathic Physicians | Surgery | 41479 (TN) |
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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 1548289945, we treat the final digit (5) 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 85. The final step is to find the difference between that total and the next multiple of ten (90 - 85 = 5).
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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 85 is 90. The difference is the calculated check digit.
Other Providers at the Same Location
The following 20 providers are registered at the same or a nearby location.
MEMPHIS, TN 38104
MEMPHIS, TN 38104
MEMPHIS, TN 38104
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1548289945, enumerated as an "individual" on July 18, 2006.
The provider is located at 1030 JEFFERSON AVE MEMPHIS, TN 38104 and the phone number is (901) 523-8990.
Colon & Rectal Surgery with taxonomy code 208C00000X.
