DR. JAMES PRESTON JR. PHARMD,BCPS,RPHWMTS
NPI 1811361454
Pharmacist - Pharmacotherapy in Saint Louis, MO
NPI Status: Active since November 19, 2015
Contact Information
915 N. GRAND VLVD
PHARMACY DEPT., JOHN COCHRAN VA MEDICAL CENTER
SAINT LOUIS, MO
ZIP 63106
Phone: (314) 330-3562
NPPES record last updated: November 19, 2015. Verified against the NPPES registry weekly; last sync: July 12, 2026.
- Individual
- Male
- Pharmacist
- Pharmacotherapy
About JAMES PRESTON
This page provides the complete NPI Profile along with additional information for James Preston, a provider established in Saint Louis, Missouri with a medical specialization in Pharmacist, focusing in pharmacotherapy . The healthcare provider is registered in the NPI registry with number 1811361454 assigned on November 2015. The practitioner's primary taxonomy code is 1835P1200X with license number 041512 (MO). The provider is registered as an individual and his NPI record was last updated 11 years ago.
- NPI
- 1811361454
- Provider Name
- DR. JAMES PRESTON JR. PHARMD,BCPS,RPHWMTS
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 915 N. GRAND VLVD PHARMACY DEPT., JOHN COCHRAN VA MEDICAL CENTER SAINT LOUIS, MO 63106
- Location Phone
- (314) 330-3562
- Mailing Address
- 915 N. GRAND VLVD PHARMACY DEPT., JOHN COCHRAN VA MEDICAL CENTER SAINT LOUIS, MO 63106
- Mailing Phone
- (314) 330-3562
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 11-19-2015
- Last Update Date
- 11-19-2015
- Code Navigator
A pharmacist like James Preston fills prescription medications, verifying instructions from physicians and offers expertise in the safe use of prescriptions. Pharmacists instruct patients on how to take a prescribed medicine and educate patients about potential side effects. Pharmacists might also conduct health and wellness screenings, provide immunizations, oversee the medications given to patients, and provide advice on healthy lifestyles.
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
Pharmacist Pharmacotherapy
- Taxonomy Code
- 1835P1200X
- Type
- Pharmacy Service Providers
- License No.
- 041512
- License State
- MO
- Taxonomy Description
- A licensed pharmacist who has demonstrated specialized knowledge and skill in optimizing pharmacotherapeutic care of patients, by developing, implementing, monitoring, and modifying complex treatment plans, providing advanced level education and consultation, and collaborating with other health professionals in the management of therapy.
Insurance Plans Accepted
According to publicly available information the provider might be accepting the following health plans from these health insurance companies:
Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.
Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.
*Please verify directly with this provider to make sure your insurance plan is currently accepted.
Additional Identifiers
The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.
| Identifier | Type / Code | Identifier State | Identifier Issuer |
|---|---|---|---|
| 294160 | OTHER (01) | DC | BCPS |
| 041512 | OTHER (01) | MO | RPH W/MTS |
| 294160 | OTHER (01) | IL | RPH |
| 17043 | OTHER (01) | IA | RPH |
Reviews for DR. JAMES PRESTON JR. PHARMD,BCPS,RPHWMTS
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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 1811361454, we treat the final digit (4) 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 56. The final step is to find the difference between that total and the next multiple of ten (60 - 56 = 4).
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 56 is 60. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1811361454, enumerated as an "individual" on November 19, 2015.
The provider is located at 915 N. GRAND VLVD PHARMACY DEPT., JOHN COCHRAN VA MEDICAL CENTER SAINT LOUIS, MO 63106 and the phone number is (314) 330-3562.
Pharmacist with taxonomy code 1835P1200X and a focus in Pharmacotherapy.
The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.
