DR. NICKY HOLDEMAN M.D.
NPI 1225031677
Ophthalmology in Houston, TX

NPI Status: Active since May 31, 2005

Contact Information

4901 CALHOUN RD
HOUSTON, TX
ZIP 77204
Phone: (713) 743-2020
Fax: (713) 743-0963

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  • Individual
  • Male
  • Ophthalmology

About NICKY HOLDEMAN

This page provides the complete NPI Profile along with additional information for Nicky Holdeman, a provider established in Houston, Texas with a medical specialization in Ophthalmology. The healthcare provider is registered in the NPI registry with number 1225031677 assigned on May 2005. The practitioner's primary taxonomy code is 207W00000X with license number H4412 (TX). The provider is registered as an individual and his NPI record was last updated 11 years ago.

NPI
1225031677
Provider Name
DR. NICKY HOLDEMAN M.D.
Gender
Male
Entity Type
Individual
Location Address
4901 CALHOUN RD HOUSTON, TX 77204
Location Phone
(713) 743-2020
Location Fax
(713) 743-0963
Mailing Address
4901 CALHOUN RD ROOM 2107 HOUSTON, TX 77204
Mailing Phone
(713) 743-2020
Mailing Fax
(713) 743-0963
Is Sole Proprietor?
No
Enumeration Date
05-31-2005
Last Update Date
09-15-2015
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Ophthalmologists like Nicky Holdeman 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.
H4412
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.

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.

*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
E46789MEDICARE UPIN (02)TX 
037241901MEDICAID (05)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 1225031677, 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
2
Unchanged
Pos 3
2
Doubled → 4
Pos 4
5
Unchanged
Pos 5
0
Doubled → 0
Pos 6
3
Unchanged
Pos 7
1
Doubled → 2
Pos 8
6
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
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 2 → 4 0 → 0 1 → 2 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 4 + 5 + 0 + 3 + 2 + 6 + 1 + 4 + 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 1225031677.

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4901 CALHOUN RD
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4901 CALHOUN RD
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4901 CALHOUN RD
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Optometrist
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Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1225031677, enumerated as an "individual" on May 31, 2005.

The provider is located at 4901 CALHOUN RD HOUSTON, TX 77204 and the phone number is (713) 743-2020.

Ophthalmology with taxonomy code 207W00000X.

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