WILLIAM L PHELPS
NPI 1912197450
Ophthalmology in Dallas, TX

NPI Status: Active since July 31, 2007

Contact Information

10611 GARLAND RD
217
DALLAS, TX
ZIP 75218
Phone: (214) 328-3597
Fax: (214) 324-4893

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  • Organization
  • Ophthalmology

About WILLIAM L PHELPS

This page provides the complete NPI Profile along with additional information for William L Phelps, a provider established in Dallas, Texas operating as a Ophthalmology. The healthcare provider is registered in the NPI registry with number 1912197450 assigned on July 2007. The practitioner's primary taxonomy code is 207W00000X with license number D2289 (TX). The provider is registered as an organization and their NPI record was last updated 19 years ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Dr. William L Phelps M.d. (Physician/owner)

NPI
1912197450
Provider Name
WILLIAM L PHELPS
Entity Type
Organization
Location Address
10611 GARLAND RD 217 DALLAS, TX 75218
Location Phone
(214) 328-3597
Location Fax
(214) 324-4893
Mailing Address
10611 GARLAND RD 217 DALLAS, TX 75218
Mailing Phone
(214) 328-3597
Mailing Fax
(214) 324-4893
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
07-31-2007
Last Update Date
07-31-2007
Code Navigator

Ophthalmologists like William L Phelps 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.
D2289
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.

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

DR. WILLIAM L PHELPS M.D.

Authorized Official Title
PHYSICIAN/OWNER
Authorized Official Phone
(214) 328-3597

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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 1912197450, we treat the final digit (0) 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 60. The final step is to find the difference between that total and the next multiple of ten (60 - 60 = 0).

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
1
Doubled → 2
Pos 4
2
Unchanged
Pos 5
1
Doubled → 2
Pos 6
9
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
4
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
0
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 1 → 2 1 → 2 7 → 14 → 5 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 2 + 2 + 2 + 9 + 1 + 4 + 4 + 1 + 0 + 24 = 60

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

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

60 - 60 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1912197450.

Other Providers at the Same Location


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

Orthopaedic Surgery
10611 GARLAND RD, SUITE 110
DALLAS, TX 75218
Orthopaedic Surgery
10611 GARLAND RD, SUITE 110
DALLAS, TX 75218
Internal Medicine
10611 GARLAND RD, SUITE 114
DALLAS, TX 75218
Chiropractor
10611 GARLAND RD, STE 115
DALLAS, TX 75218
Clinic/Center (Magnetic Resonance Imaging (MRI))
10611 GARLAND RD, #101
DALLAS, TX 75218
Dentist (General Practice)
10611 GARLAND RD, SUITE 107
DALLAS, TX 75218
Pharmacy (Community/Retail Pharmacy)
10611 GARLAND RD, STE 104
DALLAS, TX 75218
Podiatrist (Foot & Ankle Surgery)
10611 GARLAND RD, STE 106
DALLAS, TX 75218
Hearing Instrument Specialist
10611 GARLAND RD, SUITE 105
DALLAS, TX 75218
Hearing Aid Equipment
10611 GARLAND RD, #105
DALLAS, TX 75218
Hearing Aid Equipment
10611 GARLAND RD, #105
DALLAS, TX 75218
Orthopaedic Surgery
10611 GARLAND RD, SUITE 209
DALLAS, TX 75218
Dentist (General Practice)
10611 GARLAND RD, SUITE 205
DALLAS, TX 75218
Dentist
10611 GARLAND RD, SUITE 205
DALLAS, TX 75218
Dentist (General Practice)
10611 GARLAND RD, STE 205
DALLAS, TX 75218
Dentist (Orthodontics and Dentofacial Orthopedics)
10611 GARLAND RD, SUITE 210
DALLAS, TX 75218
Podiatrist (Foot Surgery)
10611 GARLAND RD, SUITE 106
DALLAS, TX 75218
Orthopaedic Surgery
10611 GARLAND RD, SUITE 110
DALLAS, TX 75218
Internal Medicine (Nephrology)
10611 GARLAND RD
DALLAS, TX 75218
Specialist
10611 GARLAND RD, #210
DALLAS, TX 75218

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1912197450, enumerated as an "organization" on July 31, 2007.

The provider is located at 10611 GARLAND RD 217 DALLAS, TX 75218 and the phone number is (214) 328-3597.

Ophthalmology with taxonomy code 207W00000X.