MR. LENNARD JACK JR. P.T.
NPI 1598918344
Specialist in Washington, DC

NPI Status: Active since October 24, 2008

Contact Information

2041 GEORGIA AVE NW
WASHINGTON, DC
ZIP 20060
Phone: (202) 865-1411
Fax: (202) 865-4724

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  • Individual
  • Male
  • Specialist

About LENNARD JACK

This page provides the complete NPI Profile along with additional information for Lennard Jack, a provider established in Washington, District Of Columbia with a medical specialization in Specialist. The healthcare provider is registered in the NPI registry with number 1598918344 assigned on October 2008. The practitioner's primary taxonomy code is 174400000X with license number PT2120 (DC). The provider is registered as an individual and his NPI record was last updated 18 years ago.

NPI
1598918344
Provider Name
MR. LENNARD JACK JR. P.T.
Gender
Male
Entity Type
Individual
Location Address
2041 GEORGIA AVE NW WASHINGTON, DC 20060
Location Phone
(202) 865-1411
Location Fax
(202) 865-4724
Mailing Address
2041 GEORGIA AVE NW WASHINGTON, DC 20060
Mailing Phone
(202) 865-1411
Mailing Fax
(202) 865-4724
Is Sole Proprietor?
Yes
Enumeration Date
10-24-2008
Last Update Date
10-24-2008
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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

Specialist

Taxonomy Code
174400000X
Type
Other Service Providers
License No.
PT2120
License State
DC
Taxonomy Description
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

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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 1598918344, 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 76. The final step is to find the difference between that total and the next multiple of ten (80 - 76 = 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.

Pos 1
1
Doubled → 2
Pos 2
5
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
8
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
1
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
3
Unchanged
Pos 9
4
Doubled → 8
Check
4
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 9 → 18 → 9 9 → 18 → 9 8 → 16 → 7 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 1 + 8 + 8 + 1 + 8 + 1 + 1 + 6 + 3 + 8 + 24 = 76

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

The next multiple of ten after 76 is 80. The difference is the calculated check digit.

80 - 76 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1598918344.

Other Providers at the Same Location


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

Pediatrics (Neonatal-Perinatal Medicine)
2041 GEORGIA AVE NW
WASHINGTON, DC 20060
Obstetrics & Gynecology (Maternal & Fetal Medicine)
2041 GEORGIA AVE NW, OBGYN ADMINISTRATIVE SUITE
WASHINGTON, DC 20060
Internal Medicine
2041 GEORGIA AVE NW
WASHINGTON, DC 20060
Emergency Medicine
2041 GEORGIA AVE NW, EMERGENCY DEPT ADMIN OFFICE
WASHINGTON, DC 20060
Pharmacist
2041 GEORGIA AVE NW, SUITE B ROOM 1-OP-64 (AMBULATORY CARE SUITE)
WASHINGTON, DC 20060
Family Medicine
2041 GEORGIA AVE NW, SUITE 2322
WASHINGTON, DC 20060
Ophthalmology
2041 GEORGIA AVE NW, 2000
WASHINGTON, DC 20060
Emergency Medicine
2041 GEORGIA AVE NW
WASHINGTON, DC 20060
Emergency Medicine
2041 GEORGIA AVE NW
WASHINGTON, DC 20060
Emergency Medicine (Pediatric Emergency Medicine)
2041 GEORGIA AVE NW
WASHINGTON, DC 20060
Radiology (Radiation Oncology)
2041 GEORGIA AVE NW
WASHINGTON, DC 20060
Radiology (Radiation Oncology)
2041 GEORGIA AVE NW
WASHINGTON, DC 20060
Dermatology
2041 GEORGIA AVE NW
WASHINGTON, DC 20060
Physical Medicine & Rehabilitation
2041 GEORGIA AVE NW
WASHINGTON, DC 20060
Family Medicine
2041 GEORGIA AVE NW
WASHINGTON, DC 20060
Radiology (Diagnostic Radiology)
2041 GEORGIA AVE NW
WASHINGTON, DC 20060
Pediatrics (Neonatal-Perinatal Medicine)
2041 GEORGIA AVE NW
WASHINGTON, DC 20060
Pediatrics
2041 GEORGIA AVE NW
WASHINGTON, DC 20060
Radiology (Diagnostic Radiology)
2041 GEORGIA AVE NW
WASHINGTON, DC 20060
Pediatrics
2041 GEORGIA AVE NW
WASHINGTON, DC 20060

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1598918344, enumerated as an "individual" on October 24, 2008.

The provider is located at 2041 GEORGIA AVE NW WASHINGTON, DC 20060 and the phone number is (202) 865-1411.

Specialist with taxonomy code 174400000X.