MARSHA ALEXIS CHENOWETH M.D.
NPI 1447478938
Psychiatry & Neurology - Child & Adolescent Psychiatry in Bellevue, WA
NPI Status: Active since April 23, 2007
Contact Information
40 LAKE BELLEVUE DR STE 100
BELLEVUE, WA
ZIP 98005
Phone: (425) 209-0006
Fax: (425) 490-7551
Some details in this NPI profile have been updated in the NPI registry within the last 30 days.
- Individual
- Female
- Psychiatry & Neurology
- Child & Adolescent Psychiatry
About MARSHA CHENOWETH
This page provides the complete NPI Profile along with additional information for Marsha Chenoweth, a provider established in Bellevue, Washington with a medical specialization in Psychiatry & Neurology, focusing in child & adolescent psychiatry . The healthcare provider is registered in the NPI registry with number 1447478938 assigned on April 2007. The practitioner's primary taxonomy code is 2084P0804X with license number MD 60476301 (WA). The provider is registered as an individual and her NPI record was last updated May 2026.
- NPI
- 1447478938
- Provider Name
- MARSHA ALEXIS CHENOWETH M.D.
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 40 LAKE BELLEVUE DR STE 100 BELLEVUE, WA 98005
- Location Phone
- (425) 209-0006
- Location Fax
- (425) 490-7551
- Mailing Address
- 40 LAKE BELLEVUE DR STE 100 BELLEVUE, WA 98005
- Mailing Phone
- (425) 209-0006
- Mailing Fax
- (425) 490-7551
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 04-23-2007
- Last Update Date
- 05-28-2026
- Code Navigator
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
Psychiatry & Neurology Child & Adolescent Psychiatry
- Taxonomy Code
- 2084P0804X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- MD 60476301
- License State
- WA
- Taxonomy Description
- Child & Adolescent Psychiatry is a subspecialty of psychiatry with additional skills and training in the diagnosis and treatment of developmental, behavioral, emotional, and mental disorders of childhood and adolescence.
Secondary Taxonomies
The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.
| No. | Taxonomy Code | Type | Classification / Specialization |
License No. (State) |
|---|---|---|---|---|
| 1 | 208000000X | Allopathic & Osteopathic Physicians | Pediatrics | MD 60476301 (WA) |
| 2 | 2084P0800X | Allopathic & Osteopathic Physicians | Psychiatry & Neurology | MD 60476301 (WA) |
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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 1447478938, we treat the final digit (8) 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 82. The final step is to find the difference between that total and the next multiple of ten (90 - 82 = 8).
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 82 is 90. The difference is the calculated check digit.
Other Providers at the Same Location
The following 8 providers are registered at the same or a nearby location.
BELLEVUE, WA 98005
BELLEVUE, WA 98005
BELLEVUE, WA 98005
BELLEVUE, WA 98005
BELLEVUE, WA 98005
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1447478938, enumerated as an "individual" on April 23, 2007.
The provider is located at 40 LAKE BELLEVUE DR STE 100 BELLEVUE, WA 98005 and the phone number is (425) 209-0006.
Psychiatry & Neurology with taxonomy code 2084P0804X and a focus in Child & Adolescent Psychiatry.
