MR. BYRON CRAIG SLUSHER X PA
NPI 1689616286
Physician Assistant - Medical in San Marcos, TX

NPI Status: Active since June 11, 2006

Contact Information

1320 WONDER WORLD DR
101
SAN MARCOS, TX
ZIP 78666
Phone: (512) 396-3911
Fax: (512) 353-0807

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  • Individual
  • Male
  • Physician Assistant
  • Medical

About BYRON SLUSHER

This page provides the complete NPI Profile along with additional information for Byron Slusher, a primary care provider established in San Marcos, Texas with a medical specialization in Physician Assistant, focusing in medical . The healthcare provider is registered in the NPI registry with number 1689616286 assigned on June 2006. The practitioner's primary taxonomy code is 363AM0700X with license number PA00388 (TX). The provider is registered as an individual and his NPI record was last updated May 2026.

NPI
1689616286
Provider Name
MR. BYRON CRAIG SLUSHER X PA
Gender
Male
Entity Type
Individual
Location Address
1320 WONDER WORLD DR 101 SAN MARCOS, TX 78666
Location Phone
(512) 396-3911
Location Fax
(512) 353-0807
Mailing Address
1320 WONDER WORLD DR 101 SAN MARCOS, TX 78666
Mailing Phone
(512) 396-3911
Mailing Fax
(512) 353-0807
Is Sole Proprietor?
No
Enumeration Date
06-11-2006
Last Update Date
05-03-2026
Code Navigator

A primary care provider (PCP) like Byron Slusher sees people with common medical problems. The primary care provider might be a doctor, physician assistant, nurse practitioner or clinic that are usually involved in your long-term care. A PCP might provide preventive care, treat common medical conditions, identify urgent medical problems and refer you to specialists when necessary. Primary care is usually provided in an outpatient facility but if you are admitted to a hospital your PCP may assist in your care. The most common medical conditions seen by primary care providers are: hypertension, upper respiratory tract infections, depression or anxiety, back pain, arthritis, dermatitis, diabetes, urinary tract infections, etc .

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

Physician Assistant Medical

Taxonomy Code
363AM0700X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
PA00388
License State
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 1689616286, we treat the final digit (6) 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 64. The final step is to find the difference between that total and the next multiple of ten (70 - 64 = 6).

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
6
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
9
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
1
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
2
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
6
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 8 → 16 → 7 6 → 12 → 3 6 → 12 → 3 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 6 + 9 + 1 + 2 + 1 + 1 + 2 + 2 + 1 + 6 + 24 = 64

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

The next multiple of ten after 64 is 70. The difference is the calculated check digit.

70 - 64 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1689616286.

Other Providers at the Same Location


The following 7 providers are registered at the same or a nearby location.

Otolaryngology
1320 WONDER WORLD DR, SUITE 100
SAN MARCOS, TX 78666
Dentist (Pediatric Dentistry)
1320 WONDER WORLD DR, SUITE 103
SAN MARCOS, TX 78666
Clinic/Center (Medical Specialty)
1320 WONDER WORLD DR, STE 100
SAN MARCOS, TX 78666
Podiatrist
1320 WONDER WORLD DR, STE 107
SAN MARCOS, TX 78666
Audiologist
1320 WONDER WORLD DR, 107
SAN MARCOS, TX 78666
Dentist
1320 WONDER WORLD DR
SAN MARCOS, TX 78666
Otolaryngology
1320 WONDER WORLD DR, SUITE 200
SAN MARCOS, TX 78666

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1689616286, enumerated as an "individual" on June 11, 2006.

The provider is located at 1320 WONDER WORLD DR 101 SAN MARCOS, TX 78666 and the phone number is (512) 396-3911.

Physician Assistant with taxonomy code 363AM0700X and a focus in Medical.