DR. DAVID LEWIS SLACK PH.D.
NPI 1558476861
Psychologist - Health Service in Bay Pines, FL
NPI Status: Active since August 20, 2006
Contact Information
10,000 BAY PINES BLVD.
BAY PINES, FL
ZIP 33744
Phone: (727) 398-6661
- Individual
- Male
- Psychologist
- Health Service
About DAVID SLACK
This page provides the complete NPI Profile along with additional information for David Slack, a provider established in Bay Pines, Florida with a medical specialization in Psychologist, focusing in health service . The healthcare provider is registered in the NPI registry with number 1558476861 assigned on August 2006. The practitioner's primary taxonomy code is 103TH0100X with license number PY5032 (FL). The provider is registered as an individual and his NPI record was last updated one year ago.
- NPI
- 1558476861
- Provider Name
- DR. DAVID LEWIS SLACK PH.D.
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 10,000 BAY PINES BLVD. BAY PINES, FL 33744
- Location Phone
- (727) 398-6661
- Mailing Address
- 8144 128TH ST SEMINOLE, FL 33776
- Mailing Phone
- (727) 393-0248
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 08-20-2006
- 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
Psychologist Health Service
- Taxonomy Code
- 103TH0100X
- Type
- Behavioral Health & Social Service Providers
- License No.
- PY5032
- License State
- FL
- Taxonomy Description
- A psychologist, certified/licensed at the independent practice level in his/her state, who is duly trained and experienced in the delivery of direct, preventative, assessment, and therapeutic intervention services to individuals whose growth, adjustment, or functioning is actually impaired or is demonstrably at high risk of impairment (1974).
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 | 103G00000X | Behavioral Health & Social Service Providers | Clinical Neuropsychologist | PY5032 (FL) |
| 2 | 103TA0700X | Behavioral Health & Social Service Providers | Psychologist | PY5032 (FL) |
| 3 | 103TC0700X | Behavioral Health & Social Service Providers | Psychologist | PY5032 (FL) |
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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 1558476861, 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.
Other Providers at the Same Location
The following 14 providers are registered at the same or a nearby location.
BAY PINES, FL 33744
BAY PINES, FL 33744
BAY PINES, FL 33744
BAY PINES, FL 33744
BAY PINES, FL 33744
SAINT PETERSBURG, FL 33744
ST.PETERSBURG, FL 33744
BAY PINES, FL 33744
BAY PINES, FL 33744
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1558476861, enumerated as an "individual" on August 20, 2006.
The provider is located at 10,000 BAY PINES BLVD. BAY PINES, FL 33744 and the phone number is (727) 398-6661.
Psychologist with taxonomy code 103TH0100X and a focus in Health Service.
