MARK WILLIAMS
NPI 1245846476
Music Therapist in Anchorage, AK

NPI Status: Active since September 22, 2020

Contact Information

1251 MULDOON RD STE 116
ANCHORAGE, AK
ZIP 99504
Phone: (907) 274-8281

NPI Profile Information
Primary Taxonomy
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Individual
Male
Music Therapist

About MARK WILLIAMS

This page provides the complete NPI Profile along with additional information for Mark Williams, a provider established in Anchorage, Alaska with a medical specialization in Music Therapist. The healthcare provider is registered in the NPI registry with number 1245846476 assigned on September 2020. The practitioner's primary taxonomy code is 225A00000X. The provider is registered as an individual and his NPI record was last updated 6 years ago.

NPI: 1245846476
Provider Name: MARK WILLIAMS
Gender: Male
Entity Type: Individual
Location Address: 1251 MULDOON RD STE 116 ANCHORAGE, AK 99504
Location Phone: (907) 274-8281
Mailing Address: 1251 MULDOON RD STE 116 ANCHORAGE, AK 99504
Mailing Phone: (907) 274-8281
Is Sole Proprietor?: No
Enumeration Date: 09-22-2020
Last Update Date: 09-22-2020
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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: Music Therapist
Taxonomy Code: 225A00000X
Type: Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Taxonomy Description: Music therapists use music interventions to assess clients' strengths and needs, develop goals, implement services, and evaluate and document progress for individuals of all ages. Music therapists facilitate changes in physical, cognitive, emotional, and/or psychosocial health.

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 1245846476, 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

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 8

Pos 4

Unchanged

Pos 5

Doubled → 16 → 1 + 6

Pos 6

Unchanged

Pos 7

Doubled → 12 → 1 + 2

Pos 8

Unchanged

Pos 9

Doubled → 14 → 1 + 4

Check

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 4 → 8 8 → 16 → 7 6 → 12 → 3 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 + 8 + 5 + 1 + 6 + 4 + 1 + 2 + 4 + 1 + 4 + 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 1245846476.