DR. GUY FACIAL PLASTIC SURGERY
NPI 1154717445
Otolaryngology - Facial Plastic Surgery in Shenandoah, TX

NPI Status: Active since April 13, 2015

Contact Information

128 VISION PARK BLVD STE 150
SHENANDOAH, TX
ZIP 77384
Phone: (713) 492-8929

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  • Organization
  • Otolaryngology
  • Facial Plastic Surgery
  • CLIA Number: 45D2342900
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 04-27-2028

About DR. GUY FACIAL PLASTIC SURGERY

This page provides the complete NPI Profile along with additional information for Dr. Guy Facial Plastic Surgery, a provider established in Shenandoah, Texas operating as a Otolaryngology, focusing in facial plastic surgery . The healthcare provider is registered in the NPI registry with number 1154717445 assigned on April 2015. The practitioner's primary taxonomy code is 207YS0123X with license number P9864 (TX). The provider is registered as an organization and their NPI record was last updated 2 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 provider's is doing business as Dr. Guy Facial Plastic Surgery. The authorized official of this NPI record is Dr. William Marshall Guy Md (President)

NPI
1154717445
Provider Legal Name
W. MARSHALL GUY, MD PLLC
Other Organization Name
DR. GUY FACIAL PLASTIC SURGERY
Other Name Type
Doing Business As (3)
Entity Type
Organization
Location Address
128 VISION PARK BLVD STE 150 SHENANDOAH, TX 77384
Location Phone
(713) 492-8929
Mailing Address
128 VISION PARK BLVD STE 150 SHENANDOAH, TX 77384
Mailing Phone
(713) 492-8929
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
04-13-2015
Last Update Date
09-26-2024
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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

Otolaryngology Facial Plastic Surgery

Taxonomy Code
207YS0123X
Type
Allopathic & Osteopathic Physicians
License No.
P9864
License State
TX
Taxonomy Description
An otolaryngologist who specializes in facial plastic surgery.

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 MARSHALL GUY MD

Authorized Official Title
PRESIDENT
Authorized Official Phone
(713) 492-8929

CLIA Information

The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:

CLIA Number
45D2342900
Facility Type
Physician Office
Certificate Effective Date
April 28, 2026
Certificate Expiration Date
April 27, 2028
Laboratory Director
WILLIAM M. GUY
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to Dr. Guy Facial Plastic Surgery to perform only waived tests. CLIA defines waived tests as simple tests with a low risk for an incorrect result. Waived tests include certain tests listed in CLIA regulations, tests cleared by the FDA for home use and tests approved by the FDA for waived status and that meet CLIA waiver criteria.

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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 1154717445, 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 55. The final step is to find the difference between that total and the next multiple of ten (60 - 55 = 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.

Pos 1
1
Doubled → 2
Pos 2
1
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
4
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
1
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
4
Unchanged
Pos 9
4
Doubled → 8
Check
5
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 7 → 14 → 5 7 → 14 → 5 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 1 + 0 + 4 + 1 + 4 + 1 + 1 + 4 + 4 + 8 + 24 = 55

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

The next multiple of ten after 55 is 60. The difference is the calculated check digit.

60 - 55 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1154717445.

Other Providers at the Same Location


The following 1 provider is registered at the same or a nearby location.

Nurse Practitioner (Family)
128 VISION PARK BLVD STE 150
SHENANDOAH, TX 77384

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1154717445, enumerated as an "organization" on April 13, 2015.

The provider is located at 128 VISION PARK BLVD STE 150 SHENANDOAH, TX 77384 and the phone number is (713) 492-8929.

Otolaryngology with taxonomy code 207YS0123X and a focus in Facial Plastic Surgery.