CHARLES COMSTOCK CHASE CAA
NPI 1417694381
Anesthesiologist Assistant in Portland, OR
NPI Status: Active since May 12, 2022
Contact Information
707 SW WASHINGTON ST STE 700
PORTLAND, OR
ZIP 97205
Phone: (503) 299-9906
Fax: (503) 225-9002
- Individual
- Male
- Anesthesiologist Assistant
About CHARLES CHASE
This page provides the complete NPI Profile along with additional information for Charles Chase, a provider established in Portland, Oregon with a medical specialization in Anesthesiologist Assistant. The healthcare provider is registered in the NPI registry with number 1417694381 assigned on May 2022. The practitioner's primary taxonomy code is 367H00000X with license number AA70065105 (WA). The provider is registered as an individual and his NPI record was last updated March 2026.
- NPI
- 1417694381
- Provider Name
- CHARLES COMSTOCK CHASE CAA
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 707 SW WASHINGTON ST STE 700 PORTLAND, OR 97205
- Location Phone
- (503) 299-9906
- Location Fax
- (503) 225-9002
- Mailing Address
- PO BOX 35147 SEATTLE, WA 98124
- Is Sole Proprietor?
- No
- Enumeration Date
- 05-12-2022
- Last Update Date
- 03-11-2026
- Code Navigator
Location Map
Secondary Locations
- 1201 S Grand Blvd
Saint Louis, MO 63104
(314) 257-3317
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
Anesthesiologist Assistant
- Taxonomy Code
- 367H00000X
- Type
- Physician Assistants & Advanced Practice Nursing Providers
- License No.
- AA70065105
- License State
- WA
- Taxonomy Description
- An individual certified by the state to perform anesthesia services under the direct supervision of an anesthesiologist. Anesthesiologist Assistants are required to have a bachelor's degree with a premed curriculum prior to entering a two-year anesthesiology assistant program, which is focused upon the delivery and maintenance of anesthesia care as well as advanced patient monitoring techniques. An Anesthesiologist Assistant must work as a member of the anesthesia care team under the direction of a qualified Anesthesiologist.
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 | 367H00000X | Physician Assistants & Advanced Practice Nursing Providers | Anesthesiologist Assistant |
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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 1417694381, we treat the final digit (1) 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 69. The final step is to find the difference between that total and the next multiple of ten (70 - 69 = 1).
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 69 is 70. The difference is the calculated check digit.
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The following 20 providers are registered at the same or a nearby location.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1417694381, enumerated as an "individual" on May 12, 2022.
The provider is located at 707 SW WASHINGTON ST STE 700 PORTLAND, OR 97205 and the phone number is (503) 299-9906.
Anesthesiologist Assistant with taxonomy code 367H00000X.
