TANYA HILLMAN
NPI 1154651818
Counselor - Professional in Tucson, AZ
NPI Status: Active since December 31, 2009
Contact Information
2435 N CASTRO AVE
TUCSON, AZ
ZIP 85705
Phone: (520) 622-8030
Fax: (520) 622-8012
NPPES record last updated: December 6, 2013. Verified against the NPPES registry weekly; last sync: July 12, 2026.
- Individual
- Female
- Counselor
- Professional
About TANYA HILLMAN
This page provides the complete NPI Profile along with additional information for Tanya Hillman, a provider established in Tucson, Arizona with a medical specialization in Counselor, focusing in professional . The healthcare provider is registered in the NPI registry with number 1154651818 assigned on December 2009. The practitioner's primary taxonomy code is 101YP2500X with license number LPC14430 (AZ). The provider is registered as an individual and her NPI record was last updated 13 years ago.
- NPI
- 1154651818
- Provider Name
- TANYA HILLMAN
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 2435 N CASTRO AVE TUCSON, AZ 85705
- Location Phone
- (520) 622-8030
- Location Fax
- (520) 622-8012
- Mailing Address
- 2435 N CASTRO AVE TUCSON, AZ 85705
- Mailing Phone
- (520) 622-8030
- Mailing Fax
- (520) 622-8012
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 12-31-2009
- Last Update Date
- 12-06-2013
- 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
Counselor Professional
- Taxonomy Code
- 101YP2500X
- Type
- Behavioral Health & Social Service Providers
- License No.
- LPC14430
- License State
- AZ
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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 1154651818, 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 52. The final step is to find the difference between that total and the next multiple of ten (60 - 52 = 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 52 is 60. The difference is the calculated check digit.
Other Providers at the Same Location
The following 17 providers are registered at the same or a nearby location.
TUCSON, AZ 85705
TUCSON, AZ 85705
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1154651818, enumerated as an "individual" on December 31, 2009.
The provider is located at 2435 N CASTRO AVE TUCSON, AZ 85705 and the phone number is (520) 622-8030.
Counselor with taxonomy code 101YP2500X and a focus in Professional.
