DEBRA LYNN RYAN REGISTERED PHARMACIS
NPI 1306631015
Pharmacist in Silver Spring, MD

NPI Status: Active since April 12, 2025

Contact Information

10903 NEW HAMPSHIRE AVENUE
BUILDING 22 ROOM 3430
SILVER SPRING, MD
ZIP 20993
Phone: (301) 796-4225

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  • Individual
  • Female
  • Pharmacist

About DEBRA RYAN

This page provides the complete NPI Profile along with additional information for Debra Ryan, a provider established in Silver Spring, Maryland with a medical specialization in Pharmacist. The healthcare provider is registered in the NPI registry with number 1306631015 assigned on April 2025. The practitioner's primary taxonomy code is 183500000X with license number 0202207384 (VA). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1306631015
Provider Name
DEBRA LYNN RYAN REGISTERED PHARMACIS
Other Name
DEBRA LYNN DOMINGUEZ REGISTERED PHARMACIS
Other Name Type
Former Name (1)
Gender
Female
Entity Type
Individual
Location Address
10903 NEW HAMPSHIRE AVENUE BUILDING 22 ROOM 3430 SILVER SPRING, MD 20993
Location Phone
(301) 796-4225
Mailing Address
4628 BUCKHORN RDG FAIRFAX, VA 22030
Mailing Phone
(571) 426-6595
Is Sole Proprietor?
Yes
Enumeration Date
04-12-2025
Last Update Date
04-12-2025
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A pharmacist like Debra Ryan 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.

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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

Taxonomy Code
183500000X
Type
Pharmacy Service Providers
License No.
0202207384
License State
VA
Taxonomy Description
An individual licensed by the appropriate state regulatory agency to engage in the practice of pharmacy. The practice of pharmacy includes, but is not limited to, assessment, interpretation, evaluation, and implementation, initiation, monitoring or modification of medication and or medical orders; the compounding or dispensing of medication and or medical orders; participation in drug and device procurement, storage, and selection; drug administration; drug regimen reviews; drug or drug-related research; provision of patient education and the provision of those acts or services necessary to provide medication therapy management services in all areas of patient care.

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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 1306631015, we treat the final digit (5) 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 45. The final step is to find the difference between that total and the next multiple of ten (50 - 45 = 5).

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
3
Unchanged
Pos 3
0
Doubled → 0
Pos 4
6
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
3
Unchanged
Pos 7
1
Doubled → 2
Pos 8
0
Unchanged
Pos 9
1
Doubled → 2
Check
5
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 0 → 0 6 → 12 → 3 1 → 2 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 0 + 6 + 1 + 2 + 3 + 2 + 0 + 2 + 24 = 45

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

The next multiple of ten after 45 is 50. The difference is the calculated check digit.

50 - 45 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1306631015.

Other Providers at the Same Location


The following 4 providers are registered at the same or a nearby location.

Pharmacist
10903 NEW HAMPSHIRE AVENUE, MAIL STOP 4447
SILVER SPRING, MD 20993
Internal Medicine
10903 NEW HAMPSHIRE AVENUE, WHITE OAK BLDG 22
SILVER SPRING, MD 20993
Psychiatry & Neurology (Child & Adolescent Psychiatry)
10903 NEW HAMPSHIRE AVENUE
SILVER SPRING, MD 20993
Pharmacist
10903 NEW HAMPSHIRE AVENUE, WHITE OAK BUILDING 22, ROOM 1195
SILVER SPRING, MD 20993

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1306631015, enumerated as an "individual" on April 12, 2025.

The provider is located at 10903 NEW HAMPSHIRE AVENUE BUILDING 22 ROOM 3430 SILVER SPRING, MD 20993 and the phone number is (301) 796-4225.

Pharmacist with taxonomy code 183500000X.