MRS. LESLIE BONES MACLAY BSPHARM
NPI 1437087988
Pharmacist - Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist in Reston, VA

NPI Status: Active since May 13, 2026

Contact Information

1850 TOWN CENTER PKWY
RESTON, VA
ZIP 20190
Phone: (703) 689-9035

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  • Individual
  • Female
  • Pharmacist
  • Pharmacist Clinician (PhC)/ Clinical Pha...

About LESLIE MACLAY

This page provides the complete NPI Profile along with additional information for Leslie Maclay, a provider established in Reston, Virginia with a medical specialization in Pharmacist, focusing in pharmacist clinician (phc)/ clinical pharmacy specialist . The healthcare provider is registered in the NPI registry with number 1437087988 assigned on May 2026. The practitioner's primary taxonomy code is 1835P0018X with license number 0202009369 (VA). The provider is registered as an individual and her NPI record was last updated May 2026.

NPI
1437087988
Provider Name
MRS. LESLIE BONES MACLAY BSPHARM
Gender
Female
Entity Type
Individual
Location Address
1850 TOWN CENTER PKWY RESTON, VA 20190
Location Phone
(703) 689-9035
Mailing Address
21320 SMALL BRANCH PL BROADLANDS, VA 20148
Mailing Phone
(703) 689-9035
Is Sole Proprietor?
No
Enumeration Date
05-13-2026
Last Update Date
05-13-2026
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A pharmacist like Leslie Maclay 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 Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist

Taxonomy Code
1835P0018X
Type
Pharmacy Service Providers
License No.
0202009369
License State
VA
Taxonomy Description
Pharmacist Clinician/Clinical Pharmacy Specialist is a pharmacist with additional training and an expanded scope of practice that may include prescriptive authority, therapeutic management, and disease management.

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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 1437087988, 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 72. The final step is to find the difference between that total and the next multiple of ten (80 - 72 = 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.

Pos 1
1
Doubled → 2
Pos 2
4
Unchanged
Pos 3
3
Doubled → 6
Pos 4
7
Unchanged
Pos 5
0
Doubled → 0
Pos 6
8
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
9
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
8
Target digit
Regular digit Doubled digit Check digit

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.

1 → 2 3 → 6 0 → 0 7 → 14 → 5 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 4 + 6 + 7 + 0 + 8 + 1 + 4 + 9 + 1 + 6 + 24 = 72

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 72 is 80. The difference is the calculated check digit.

80 - 72 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1437087988.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Anesthesiology
1850 TOWN CENTER PKWY
RESTON, VA 20190
General Practice
1850 TOWN CENTER PKWY, EMERGENCY DEPARTMENT
RESTON, VA 20190
Nurse Anesthetist, Certified Registered
1850 TOWN CENTER PKWY
RESTON, VA 20190
Pediatrics (Neonatal-Perinatal Medicine)
1850 TOWN CENTER PKWY, RESTON HOSPITAL CENTER
RESTON, VA 20190
Emergency Medicine
1850 TOWN CENTER PKWY, RESTON HOSPITAL CENTER
RESTON, VA 20190
Emergency Medicine
1850 TOWN CENTER PKWY, RESTON HOSPITAL CENTER
RESTON, VA 20190
Internal Medicine
1850 TOWN CENTER PKWY
RESTON, VA 20190
Emergency Medicine
1850 TOWN CENTER PKWY, RESTON HOSPITAL CENTER
RESTON, VA 20190
Emergency Medicine
1850 TOWN CENTER PKWY, RESTON HOSPITAL CENTER
RESTON, VA 20190
Emergency Medicine
1850 TOWN CENTER PKWY, RESTON HOSPITAL CENTER
RESTON, VA 20190
Pediatrics (Neonatal-Perinatal Medicine)
1850 TOWN CENTER PKWY, RESTON HOSPITAL CENTER
RESTON, VA 20190
Pediatrics
1850 TOWN CENTER PKWY, RESTON HOSPITAL CENTER
RESTON, VA 20190
Anesthesiology
1850 TOWN CENTER PKWY, RESTON HOSPITAL CENTER
RESTON, VA 20190
Anesthesiology
1850 TOWN CENTER PKWY, RESTON HOSPITAL CENTER
RESTON, VA 20190
Nurse Anesthetist, Certified Registered
1850 TOWN CENTER PKWY
RESTON, VA 20190
Nurse Anesthetist, Certified Registered
1850 TOWN CENTER PKWY
RESTON, VA 20190
Nurse Anesthetist, Certified Registered
1850 TOWN CENTER PKWY, RESTON HOSPITAL CENTER
RESTON, VA 20190
Internal Medicine
1850 TOWN CENTER PKWY
RESTON, VA 20190
Pediatrics
1850 TOWN CENTER PKWY, RESTON HOSPITAL CENTER
RESTON, VA 20190
Physician Assistant (Medical)
1850 TOWN CENTER PKWY, SUITE 400
RESTON, VA 20190

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1437087988, enumerated as an "individual" on May 13, 2026.

The provider is located at 1850 TOWN CENTER PKWY RESTON, VA 20190 and the phone number is (703) 689-9035.

Pharmacist with taxonomy code 1835P0018X and a focus in Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist.