MATTHEW DAVID MCNALL LMHC
NPI 1659851509
Counselor - Mental Health in Seattle, WA
NPI Status: Active since August 20, 2018
Contact Information
2103 S ATLANTIC ST
SEATTLE, WA
ZIP 98144
Phone: (206) 454-3971
- Individual
- Male
- Counselor
- Mental Health
- Accepts Insurance
About MATTHEW MCNALL
This page provides the complete NPI Profile along with additional information for Matthew Mcnall, a provider established in Seattle, Washington with a medical specialization in Counselor, focusing in mental health . The healthcare provider is registered in the NPI registry with number 1659851509 assigned on August 2018. The practitioner's primary taxonomy code is 101YM0800X with license number LH61233330 (WA). The provider is registered as an individual and his NPI record was last updated May 2026.
- NPI
- 1659851509
- Provider Name
- MATTHEW DAVID MCNALL LMHC
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 2103 S ATLANTIC ST SEATTLE, WA 98144
- Location Phone
- (206) 454-3971
- Mailing Address
- 2103 S ATLANTIC ST SEATTLE, WA 98144
- Is Sole Proprietor?
- No
- Enumeration Date
- 08-20-2018
- Last Update Date
- 05-04-2026
- Code Navigator
A mental health counselor like Matthew Mcnall provides treatment to individuals, families, couples, and groups for mental and emotional health issues and relationship problems. Mental health counselors treat clients with a variety of conditions, including anxiety, depression, grief, low self-esteem, stress, and suicidal impulses.
Location Map
Secondary Locations
- 119 1st Ave S Ste 220
Seattle, WA 98104
(206) 627-0693
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
Counselor Mental Health
- Taxonomy Code
- 101YM0800X
- Type
- Behavioral Health & Social Service Providers
- License No.
- LH61233330
- License State
- WA
Insurance Plans Accepted
According to publicly available information the provider might be accepting the following health plans from these health insurance companies:
- Premera Blue Cross Alaska One Gold - PPO
- Premera Blue Cross Preferred Bronze 5800 HSA - PPO
- Premera Blue Cross Preferred Bronze 6350 - PPO
- Premera Blue Cross Preferred Gold 1500 - PPO
- Premera Blue Cross Preferred Silver 4500 - PPO
- Premera Blue Cross Standard Bronze II - PPO
- Premera Blue Cross Standard Gold - PPO
- Premera Blue Cross Standard Silver - PPO
- Premera Blue Cross Family Dental - PPO
- Premera Blue Cross Pediatric Dental - PPO
*Please verify directly with this provider to make sure your insurance plan is currently accepted.
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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 1659851509, we treat the final digit (9) 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 9).
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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 61 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 20 providers are registered at the same or a nearby location.
SEATTLE, WA 98144
SEATTLE, WA 98144
SEATTLE, WA 98144
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1659851509, enumerated as an "individual" on August 20, 2018.
The provider is located at 2103 S ATLANTIC ST SEATTLE, WA 98144 and the phone number is (206) 454-3971.
Counselor with taxonomy code 101YM0800X and a focus in Mental Health.
The provider might be accepting Accepts: Premera Blue Cross Blue Shield of Alaska. Please consult your insurance carrier or call the provider to verify.
