WILLIAM QUELL PATRICK JR. CSA
NPI 1669662540
Physician Assistant - Surgical in Rockville, MD

NPI Status: Active since July 27, 2007

Contact Information

1 RESEARCH CT
SUITE 450
ROCKVILLE, MD
ZIP 20850
Phone: (240) 403-4067
Fax: (301) 519-8001

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  • Individual
  • Male
  • Physician Assistant
  • Surgical

About WILLIAM PATRICK

This page provides the complete NPI Profile along with additional information for William Patrick, a provider established in Rockville, Maryland with a medical specialization in Physician Assistant, focusing in surgical . The healthcare provider is registered in the NPI registry with number 1669662540 assigned on July 2007. The practitioner's primary taxonomy code is 363AS0400X with license number SA0015 (DC). The provider is registered as an individual and his NPI record was last updated 17 years ago.

NPI
1669662540
Provider Name
WILLIAM QUELL PATRICK JR. CSA
Gender
Male
Entity Type
Individual
Location Address
1 RESEARCH CT SUITE 450 ROCKVILLE, MD 20850
Location Phone
(240) 403-4067
Location Fax
(301) 519-8001
Mailing Address
1 RESEARCH CT SUITE 450 ROCKVILLE, MD 20850
Mailing Phone
(240) 403-4067
Mailing Fax
(301) 519-8001
Is Sole Proprietor?
No
Enumeration Date
07-27-2007
Last Update Date
06-01-2009
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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

Physician Assistant Surgical

Taxonomy Code
363AS0400X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
SA0015
License State
DC

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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 1669662540, we treat the final digit (0) 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 70. The final step is to find the difference between that total and the next multiple of ten (70 - 70 = 0).

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

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 2 + 9 + 1 + 2 + 6 + 4 + 5 + 8 + 24 = 70

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

The next multiple of ten after 70 is 70. The difference is the calculated check digit.

70 - 70 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1669662540.

Other Providers at the Same Location


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

Specialist
1 RESEARCH CT, SUITE 450
ROCKVILLE, MD 20850
Radiologic Technologist (Magnetic Resonance Imaging)
1 RESEARCH CT
ROCKVILLE, MD 20850
Home Health
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ROCKVILLE, MD 20850
Physician Assistant (Surgical)
1 RESEARCH CT
ROCKVILLE, MD 20850
Behavior Analyst
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ROCKVILLE, MD 20850
Behavior Technician
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Behavior Technician
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ROCKVILLE, MD 20850
Behavior Technician
1 RESEARCH CT, SUITE 450
ROCKVILLE, MD 20850
Behavior Technician
1 RESEARCH CT
ROCKVILLE, MD 20850
Behavior Technician
1 RESEARCH CT
ROCKVILLE, MD 20850
Behavior Technician
1 RESEARCH CT
ROCKVILLE, MD 20850
Behavior Technician
1 RESEARCH CT
ROCKVILLE, MD 20850
Behavior Technician
1 RESEARCH CT
ROCKVILLE, MD 20850
Behavior Technician
1 RESEARCH CT
ROCKVILLE, MD 20850
Behavior Technician
1 RESEARCH CT
ROCKVILLE, MD 20850
Behavior Technician
1 RESEARCH CT
ROCKVILLE, MD 20850
Custodial Care Facility (Adult Care Home)
1 RESEARCH CT
ROCKVILLE, MD 20850
Specialist/Technologist, Other (Surgical Assistant)
1 RESEARCH CT, SUITE 450
ROCKVILLE, MD 20850
Specialist
1 RESEARCH CT, SU 450
ROCKVILLE, MD 20850
Specialist
1 RESEARCH CT, SU 450
ROCKVILLE, MD 20850

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1669662540, enumerated as an "individual" on July 27, 2007.

The provider is located at 1 RESEARCH CT SUITE 450 ROCKVILLE, MD 20850 and the phone number is (240) 403-4067.

Physician Assistant with taxonomy code 363AS0400X and a focus in Surgical.