DR. MARIANNE MATHEWSON-CHAPMAN ARNP
NPI 1649456484
Nurse Practitioner - Adult Health in Washington, DC

NPI Status: Active since January 10, 2008

Contact Information

1990 K ST NW
RM 320 (10D1)
WASHINGTON, DC
ZIP 20006
Phone: (202) 266-4646
Fax: (202) 266-4696

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  • Individual
  • Female
  • Nurse Practitioner
  • Adult Health

About MARIANNE MATHEWSON-CHAPMAN

This page provides the complete NPI Profile along with additional information for Marianne Mathewson-chapman, a provider established in Washington, District Of Columbia with a medical specialization in Nurse Practitioner, focusing in adult health . The healthcare provider is registered in the NPI registry with number 1649456484 assigned on January 2008. The practitioner's primary taxonomy code is 363LA2200X with license number 1487792 (FL). The provider is registered as an individual and her NPI record was last updated 18 years ago.

NPI
1649456484
Provider Name
DR. MARIANNE MATHEWSON-CHAPMAN ARNP
Gender
Female
Entity Type
Individual
Location Address
1990 K ST NW RM 320 (10D1) WASHINGTON, DC 20006
Location Phone
(202) 266-4646
Location Fax
(202) 266-4696
Mailing Address
1990 K ST NW RM 320 (10D1) WASHINGTON, DC 20006
Mailing Phone
(202) 266-4646
Mailing Fax
(202) 266-4696
Is Sole Proprietor?
No
Enumeration Date
01-10-2008
Last Update Date
01-10-2008
Code Navigator

A nurse practitioner (NP) like Marianne Mathewson-chapman 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 Adult Health

Taxonomy Code
363LA2200X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
1487792
License State
FL

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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 1649456484, 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
6
Unchanged
Pos 3
4
Doubled → 8
Pos 4
9
Unchanged
Pos 5
4
Doubled → 8
Pos 6
5
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
4
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
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 4 → 8 4 → 8 6 → 12 → 3 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 8 + 9 + 8 + 5 + 1 + 2 + 4 + 1 + 6 + 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 1649456484.

Other Providers at the Same Location


The following 5 providers are registered at the same or a nearby location.

Dentist (Periodontics)
1990 K ST NW, SUITE 15A
WASHINGTON, DC 20006
Dentist (Prosthodontics)
1990 K ST NW, SUITE 15B
WASHINGTON, DC 20006
Dentist (Prosthodontics)
1990 K ST NW, SUITE 15B
WASHINGTON, DC 20006
Psychologist (Clinical)
1990 K ST NW
WASHINGTON, DC 20006
Pharmacist
1990 K ST NW
WASHINGTON, DC 20006

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1649456484, enumerated as an "individual" on January 10, 2008.

The provider is located at 1990 K ST NW RM 320 (10D1) WASHINGTON, DC 20006 and the phone number is (202) 266-4646.

Nurse Practitioner with taxonomy code 363LA2200X and a focus in Adult Health.