MR. MARTIN T NEVDAHL M.S.
NPI 1770730616
Speech-Language Pathologist in Seattle, WA

NPI Status: Active since August 21, 2008

Contact Information

4131 15TH AVE NE
SEATTLE, WA
ZIP 98105
Phone: (206) 543-3384

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  • Individual
  • Male
  • Speech-Language Pathologist

About MARTIN NEVDAHL

This page provides the complete NPI Profile along with additional information for Martin Nevdahl, a provider established in Seattle, Washington with a medical specialization in Speech-language Pathologist. The healthcare provider is registered in the NPI registry with number 1770730616 assigned on August 2008. The practitioner's primary taxonomy code is 235Z00000X with license number LL00001546 (WA). The provider is registered as an individual and his NPI record was last updated 18 years ago.

NPI
1770730616
Provider Name
MR. MARTIN T NEVDAHL M.S.
Gender
Male
Entity Type
Individual
Location Address
4131 15TH AVE NE SEATTLE, WA 98105
Location Phone
(206) 543-3384
Mailing Address
4131 15TH AVE NE SEATTLE, WA 98105
Mailing Phone
(206) 543-3384
Is Sole Proprietor?
No
Enumeration Date
08-21-2008
Last Update Date
08-21-2008
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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

Speech-Language Pathologist

Taxonomy Code
235Z00000X
Type
Speech, Language and Hearing Service Providers
License No.
LL00001546
License State
WA
Taxonomy Description
The speech-language pathologist is the professional who engages in clinical services, prevention, advocacy, education, administration, and research in the areas of communication and swallowing across the life span from infancy through geriatrics. Speech-language pathologists address typical and atypical impairments and disorders related to communication and swallowing in the areas of speech sound production, resonance, voice, fluency, language (comprehension and expression), cognition, and feeding and swallowing.

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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 1770730616, 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 54. The final step is to find the difference between that total and the next multiple of ten (60 - 54 = 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
7
Unchanged
Pos 3
7
Doubled → 14 → 1 + 4
Pos 4
0
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
3
Unchanged
Pos 7
0
Doubled → 0
Pos 8
6
Unchanged
Pos 9
1
Doubled → 2
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 7 → 14 → 5 7 → 14 → 5 0 → 0 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 1 + 4 + 0 + 1 + 4 + 3 + 0 + 6 + 2 + 24 = 54

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

The next multiple of ten after 54 is 60. The difference is the calculated check digit.

60 - 54 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1770730616.

Other Providers at the Same Location


The following 3 providers are registered at the same or a nearby location.

Audiologist
4131 15TH AVE NE, UW SPEECH AND HEARING
SEATTLE, WA 98105
Speech-Language Pathologist
4131 15TH AVE NE
SEATTLE, WA 98105
Speech-Language Pathologist
4131 15TH AVE NE
SEATTLE, WA 98105

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1770730616, enumerated as an "individual" on August 21, 2008.

The provider is located at 4131 15TH AVE NE SEATTLE, WA 98105 and the phone number is (206) 543-3384.

Speech-Language Pathologist with taxonomy code 235Z00000X.