MR. DENNIS EDWARD MILLS B.S HEALTH CARE TECH
NPI 1538362512
Licensed Psychiatric Technician in Hayward, CA
NPI Status: Active since June 07, 2007
Contact Information
22505 WOODROE PLACE
HAYWARD, CA
ZIP 94541
Phone: (510) 537-1688
Fax: (510) 537-9222
- Individual
- Male
- Licensed Psychiatric Technician
About DENNIS MILLS
This page provides the complete NPI Profile along with additional information for Dennis Mills, a provider established in Hayward, California with a medical specialization in Licensed Psychiatric Technician. The healthcare provider is registered in the NPI registry with number 1538362512 assigned on June 2007. The practitioner's primary taxonomy code is 167G00000X. The provider is registered as an individual and his NPI record was last updated one year ago.
- NPI
- 1538362512
- Provider Name
- MR. DENNIS EDWARD MILLS B.S HEALTH CARE TECH
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 22505 WOODROE PLACE HAYWARD, CA 94541
- Location Phone
- (510) 537-1688
- Location Fax
- (510) 537-9222
- Mailing Address
- 22505 WOODROE PLACE HAYWARD, CA 94541
- Mailing Phone
- (510) 537-1688
- Mailing Fax
- (510) 537-9222
- Is Sole Proprietor?
- No
- Enumeration Date
- 06-07-2007
- Last Update Date
- 09-11-2025
- 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
Licensed Psychiatric Technician
- Taxonomy Code
- 167G00000X
- Type
- Nursing Service Providers
- Taxonomy Description
- An individual licensed by the state board as a Psychiatric Technician based upon completion of a prescribed course of theory and clinical practice, with two thirds of the clinical practice time focused on mental and developmental disorders. The psychiatric technician practices under the direct supervision of a physician, psychologist, registered nurse or other professional to provide care to patients with mental disorders and developmental disabilities.
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 | 101YM0800X | Behavioral Health & Social Service Providers | Counselor |
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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 1538362512, we treat the final digit (2) 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 68. The final step is to find the difference between that total and the next multiple of ten (70 - 68 = 2).
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 68 is 70. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1538362512, enumerated as an "individual" on June 07, 2007.
The provider is located at 22505 WOODROE PLACE HAYWARD, CA 94541 and the phone number is (510) 537-1688.
Licensed Psychiatric Technician with taxonomy code 167G00000X.
