RANDY S. SPRAGUE M.D.
NPI 1649283623
Clinical Pharmacology in Saint Louis, MO
NPI Status: Active since August 14, 2006
Contact Information
3660 VISTA AVE
SAINT LOUIS, MO
ZIP 63110
Phone: (314) 577-6095
Fax: (314) 577-6121
- Individual
- Male
- Clinical Pharmacology
About RANDY SPRAGUE
This page provides the complete NPI Profile along with additional information for Randy Sprague, a provider established in Saint Louis, Missouri with a medical specialization in Clinical Pharmacology. The healthcare provider is registered in the NPI registry with number 1649283623 assigned on August 2006. The practitioner's primary taxonomy code is 208U00000X with license number R7946 (MO). The provider is registered as an individual and his NPI record was last updated one year ago.
- NPI
- 1649283623
- Provider Name
- RANDY S. SPRAGUE M.D.
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 3660 VISTA AVE SAINT LOUIS, MO 63110
- Location Phone
- (314) 577-6095
- Location Fax
- (314) 577-6121
- Mailing Address
- 3691 RUTGER ST PROVIDER ENROLLMENT SAINT LOUIS, MO 63110
- Mailing Phone
- (314) 977-6828
- Mailing Fax
- (314) 577-6121
- Is Sole Proprietor?
- No
- Enumeration Date
- 08-14-2006
- 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
Clinical Pharmacology
- Taxonomy Code
- 208U00000X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- R7946
- License State
- MO
- Taxonomy Description
- Clinical pharmacology encompasses the spectrum of activities related to the discovery, development, regulation, and utilization of safe and effective drugs.
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 | 207R00000X | Allopathic & Osteopathic Physicians | Internal Medicine | R7946 (MO) |
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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 1649283623, we treat the final digit (3) 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 77. The final step is to find the difference between that total and the next multiple of ten (80 - 77 = 3).
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 77 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.
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1649283623, enumerated as an "individual" on August 14, 2006.
The provider is located at 3660 VISTA AVE SAINT LOUIS, MO 63110 and the phone number is (314) 577-6095.
Clinical Pharmacology with taxonomy code 208U00000X.
