DR. MALCOLM L. MAZOW MD
NPI 1831184597
Ophthalmology in Houston, TX

NPI Status: Active since September 19, 2005

Contact Information

2855 GRAMERCY ST
HOUSTON, TX
ZIP 77025
Phone: (713) 668-6828
Fax: (713) 668-3823

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  • Individual
  • Male
  • Ophthalmology

About MALCOLM MAZOW

This page provides the complete NPI Profile along with additional information for Malcolm Mazow, a provider established in Houston, Texas with a medical specialization in Ophthalmology. The healthcare provider is registered in the NPI registry with number 1831184597 assigned on September 2005. The practitioner's primary taxonomy code is 207W00000X with license number C9067 (TX). The provider is registered as an individual and his NPI record was last updated 6 years ago.

NPI
1831184597
Provider Name
DR. MALCOLM L. MAZOW MD
Gender
Male
Entity Type
Individual
Location Address
2855 GRAMERCY ST HOUSTON, TX 77025
Location Phone
(713) 668-6828
Location Fax
(713) 668-3823
Mailing Address
7155 OLD KATY RD N100 HOUSTON, TX 77024
Mailing Phone
(713) 668-6828
Mailing Fax
(713) 668-3823
Is Sole Proprietor?
No
Enumeration Date
09-19-2005
Last Update Date
04-19-2020
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Ophthalmologists like Malcolm Mazow 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.

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

Ophthalmology

Taxonomy Code
207W00000X
Type
Allopathic & Osteopathic Physicians
License No.
C9067
License State
TX
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.

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)
1207WX0110XAllopathic & Osteopathic Physicians

Ophthalmology
Pediatric Ophthalmology and Strabismus Specialist

C9067 (TX)

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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 1831184597, 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 73. The final step is to find the difference between that total and the next multiple of ten (80 - 73 = 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
8
Unchanged
Pos 3
3
Doubled → 6
Pos 4
1
Unchanged
Pos 5
1
Doubled → 2
Pos 6
8
Unchanged
Pos 7
4
Doubled → 8
Pos 8
5
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 3 → 6 1 → 2 4 → 8 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 6 + 1 + 2 + 8 + 8 + 5 + 1 + 8 + 24 = 73

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

The next multiple of ten after 73 is 80. The difference is the calculated check digit.

80 - 73 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1831184597.

Other Providers at the Same Location


The following 19 providers are registered at the same or a nearby location.

Ophthalmology
2855 GRAMERCY ST
HOUSTON, TX 77025
Specialist
2855 GRAMERCY ST
HOUSTON, TX 77025
Ophthalmology
2855 GRAMERCY ST
HOUSTON, TX 77025
Optometrist
2855 GRAMERCY ST
HOUSTON, TX 77025
Audiologist
2855 GRAMERCY ST, 106
HOUSTON, TX 77025
Optometrist
2855 GRAMERCY ST
HOUSTON, TX 77025
Ophthalmology
2855 GRAMERCY ST
HOUSTON, TX 77025
Optometrist
2855 GRAMERCY ST
HOUSTON, TX 77025
Ophthalmology
2855 GRAMERCY ST
HOUSTON, TX 77025
Ophthalmology
2855 GRAMERCY ST
HOUSTON, TX 77025
Ophthalmology
2855 GRAMERCY ST
HOUSTON, TX 77025
Ophthalmology
2855 GRAMERCY ST
HOUSTON, TX 77025
Ophthalmology
2855 GRAMERCY ST
HOUSTON, TX 77025
Anesthesiology
2855 GRAMERCY ST
HOUSTON, TX 77025
Ophthalmology
2855 GRAMERCY ST
HOUSTON, TX 77025
Ophthalmology
2855 GRAMERCY ST
HOUSTON, TX 77025
Ophthalmology
2855 GRAMERCY ST
HOUSTON, TX 77025
Ophthalmology
2855 GRAMERCY ST
HOUSTON, TX 77025
Ophthalmology
2855 GRAMERCY ST
HOUSTON, TX 77025

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1831184597, enumerated as an "individual" on September 19, 2005.

The provider is located at 2855 GRAMERCY ST HOUSTON, TX 77025 and the phone number is (713) 668-6828.

Ophthalmology with taxonomy code 207W00000X.