KAREN A HENNESSY CRNP
NPI 1891137097
Nurse Practitioner in Washington, DC

NPI Status: Active since July 29, 2013

Contact Information

3800 RESERVOIR RD NW
WASHINGTON, DC
ZIP 20007
Phone: (703) 558-1456

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  • Individual
  • Female
  • Nurse Practitioner

About KAREN HENNESSY

This page provides the complete NPI Profile along with additional information for Karen Hennessy, a provider established in Washington, District Of Columbia with a medical specialization in Nurse Practitioner. The healthcare provider is registered in the NPI registry with number 1891137097 assigned on July 2013. The practitioner's primary taxonomy code is 363L00000X with license number RN1005924 (DC). The provider is registered as an individual and her NPI record was last updated 13 years ago.

NPI
1891137097
Provider Name
KAREN A HENNESSY CRNP
Gender
Female
Entity Type
Individual
Location Address
3800 RESERVOIR RD NW WASHINGTON, DC 20007
Location Phone
(703) 558-1456
Mailing Address
PO BOX 418283 BOSTON, MA 02241
Is Sole Proprietor?
No
Enumeration Date
07-29-2013
Last Update Date
07-29-2013
Code Navigator

A nurse practitioner (NP) like Karen Hennessy is an experienced registered nurse with a master’s or doctoral degree and advanced clinical training. Nurse practitioners can work in many different specialties including primary care, pediatrics, cardiology, emergency, women’s health, oncology or geriatrics. Nurse practitioners provide services like physical exams, order laboratory tests, manage diseases, write prescriptions, etc.

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

Nurse Practitioner

Taxonomy Code
363L00000X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
RN1005924
License State
DC
Taxonomy Description
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

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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 1891137097, we treat the final digit (7) 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 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 7).

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
8
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
1
Unchanged
Pos 5
1
Doubled → 2
Pos 6
3
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
0
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
7
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 1 → 2 7 → 14 → 5 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 8 + 1 + 2 + 3 + 1 + 4 + 0 + 1 + 8 + 24 = 63

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

The next multiple of ten after 63 is 70. The difference is the calculated check digit.

70 - 63 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1891137097.

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Obstetrics & Gynecology
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Obstetrics & Gynecology
3800 RESERVOIR RD NW
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Internal Medicine
3800 RESERVOIR RD NW
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Pediatrics (Pediatric Critical Care Medicine)
3800 RESERVOIR RD NW
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Internal Medicine (Hematology & Oncology)
3800 RESERVOIR RD NW
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Radiology (Vascular & Interventional Radiology)
3800 RESERVOIR RD NW
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Pediatrics
3800 RESERVOIR RD NW
WASHINGTON, DC 20007
Radiology (Body Imaging)
3800 RESERVOIR RD NW
WASHINGTON, DC 20007
Pediatrics (Pediatric Hematology-Oncology)
3800 RESERVOIR RD NW
WASHINGTON, DC 20007
Internal Medicine (Nephrology)
3800 RESERVOIR RD NW
WASHINGTON, DC 20007
Obstetrics & Gynecology (Maternal & Fetal Medicine)
3800 RESERVOIR RD NW
WASHINGTON, DC 20007
Dermatology
3800 RESERVOIR RD NW
WASHINGTON, DC 20007
Radiology (Body Imaging)
3800 RESERVOIR RD NW
WASHINGTON, DC 20007
Surgery (Plastic and Reconstructive Surgery)
3800 RESERVOIR RD NW
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Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1891137097, enumerated as an "individual" on July 29, 2013.

The provider is located at 3800 RESERVOIR RD NW WASHINGTON, DC 20007 and the phone number is (703) 558-1456.

Nurse Practitioner with taxonomy code 363L00000X.