JUSTIN GILLESPIE APCC
NPI 1942983127
Counselor - Mental Health in Los Altos, CA
NPI Status: Active since August 14, 2023
Contact Information
851 FREMONT AVE
LOS ALTOS, CA
ZIP 94024
Phone: (650) 297-3400
- Individual
- Male
- Counselor
- Mental Health
- Opted-Out Medicare
About JUSTIN GILLESPIE
This page provides the complete NPI Profile along with additional information for Justin Gillespie, a provider established in Los Altos, California with a medical specialization in Counselor, focusing in mental health . The healthcare provider is registered in the NPI registry with number 1942983127 assigned on August 2023. The practitioner's primary taxonomy code is 101YM0800X with license number 14441 (CA). The provider is registered as an individual and his NPI record was last updated 3 years ago.
- NPI
- 1942983127
- Provider Name
- JUSTIN GILLESPIE APCC
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 851 FREMONT AVE LOS ALTOS, CA 94024
- Location Phone
- (650) 297-3400
- Mailing Address
- PO BOX 28265 SAN JOSE, CA 95159
- Mailing Phone
- (650) 885-6550
- Is Sole Proprietor?
- No
- Enumeration Date
- 08-14-2023
- Last Update Date
- 08-14-2023
- Code Navigator
A mental health counselor like Justin Gillespie 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.
The provider doesn't accept Medicare and has signed an affidavit to be excluded from the Medicare program. If you are a Medicare beneficiary this means a provider can charge whatever they want for services rendered but must follow certain rules to do so. Justin Gillespie opted out of Medicare effective on 08-20-2025 until 08-20-2027. Opt out periods last for two years and cannot be terminated unless the provider is opting out for the very first time and the affidavit is terminated no later than 90 days after the opt out effective date. Opt-out affidavits might renew automatically renew every two years. The provider opted out of Medicare and cannot order and refer services to other healthcare providers.
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
Counselor Mental Health
- Taxonomy Code
- 101YM0800X
- Type
- Behavioral Health & Social Service Providers
- License No.
- 14441
- License State
- CA
Medicare Participation & PECOS Enrollment Status
What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.
Opted-Out of Medicare? Yes
Opt-Out Effective Date: 08-20-2025
Opt-Out End Date: 08-20-2027
Eligible to Order and Refer? No
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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 1942983127, we treat the final digit (7) 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 73. The final step is to find the difference between that total and the next multiple of ten (80 - 73 = 7).
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 73 is 80. 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.
LOS ALTOS, CA 94024
LOS ALTOS, CA 94024
LOS ALTOS, CA 94024
LOS ALTOS, CA 94024
LOS ALTOS, CA 94024
LOS ALTOS, CA 94024
LOS ALTOS, CA 94024
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1942983127, enumerated as an "individual" on August 14, 2023.
The provider is located at 851 FREMONT AVE LOS ALTOS, CA 94024 and the phone number is (650) 297-3400.
Counselor with taxonomy code 101YM0800X and a focus in Mental Health.
