KHOA DANG NGUYEN
NPI 1770166019
Peer Specialist in San Francisco, CA
NPI Status: Active since May 04, 2021
Contact Information
555 STEVENSON ST
SAN FRANCISCO, CA
ZIP 94103
Phone: (510) 899-3717
Some details in this NPI profile have been updated in the NPI registry within the last 30 days.
- Individual
- Male
- Peer Specialist
About KHOA NGUYEN
This page provides the complete NPI Profile along with additional information for Khoa Nguyen, a provider established in San Francisco, California with a medical specialization in Peer Specialist. The healthcare provider is registered in the NPI registry with number 1770166019 assigned on May 2021. The practitioner's primary taxonomy code is 175T00000X with license number MPSS-QCRZBG (CA). The provider is registered as an individual and his NPI record was last updated June 2026.
- NPI
- 1770166019
- Provider Name
- KHOA DANG NGUYEN
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 555 STEVENSON ST SAN FRANCISCO, CA 94103
- Location Phone
- (510) 899-3717
- Mailing Address
- 1282 MARKET ST SAN FRANCISCO, CA 94102
- Mailing Phone
- (510) 899-3717
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 05-04-2021
- Last Update Date
- 06-03-2026
- 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
Peer Specialist
- Taxonomy Code
- 175T00000X
- Type
- Other Service Providers
- License No.
- MPSS-QCRZBG
- License State
- CA
- Taxonomy Description
- Individuals certified to perform peer support services through a training process defined by a government agency, such as the Department of Veterans Affairs or a state mental health department/certification/licensing authority.
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 | 373H00000X | Nursing Service Related Providers | Day Training/Habilitation Specialist | |
| 2 | 390200000X | Student, Health Care | Student in an Organized Health Care Education/Training Program |
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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 1770166019, 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 51. The final step is to find the difference between that total and the next multiple of ten (60 - 51 = 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 51 is 60. The difference is the calculated check digit.
Other Providers at the Same Location
The following 13 providers are registered at the same or a nearby location.
SAN FRANCISCO, CA 94103
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1770166019, enumerated as an "individual" on May 04, 2021.
The provider is located at 555 STEVENSON ST SAN FRANCISCO, CA 94103 and the phone number is (510) 899-3717.
Peer Specialist with taxonomy code 175T00000X.
