SECTOR MEDICAL GROUP
NPI 1265302228
Nurse Practitioner - Psychiatric/Mental Health in Washington, DC

NPI Status: Active since November 06, 2025

Contact Information

700 PENNSYLVANIA AVE SE
WASHINGTON, DC
ZIP 20003
Phone: (240) 253-1978
Fax: (240) 253-1978

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  • Organization
  • Nurse Practitioner
  • Psychiatric/Mental Health

About SECTOR MEDICAL GROUP

This page provides the complete NPI Profile along with additional information for Sector Medical Group, a provider established in Washington, District Of Columbia operating as a Nurse Practitioner, focusing in psychiatric/mental health . The healthcare provider is registered in the NPI registry with number 1265302228 assigned on November 2025. The practitioner's primary taxonomy code is 363LP0808X. The provider is registered as an organization and their NPI record was last updated one year ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Mr. William Melvin Jr. (Office Manager)

NPI
1265302228
Provider Name
SECTOR MEDICAL GROUP
Entity Type
Organization
Location Address
700 PENNSYLVANIA AVE SE WASHINGTON, DC 20003
Location Phone
(240) 253-1978
Location Fax
(240) 253-1978
Mailing Address
45 L ST SW UNIT 70083 WASHINGTON, DC 20024
Mailing Phone
(240) 253-1978
Mailing Fax
(240) 253-1978
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
11-06-2025
Last Update Date
11-12-2025
Code Navigator

A nurse practitioner (NP) like Sector Medical Group 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

Secondary Locations

  • 10400 Connecticut Ave Ste C
    Kensington, MD 20895
    (240) 253-1978
  • 10306 Eaton Pl Ste 300
    Fairfax, VA 22030
    (240) 253-1978

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 Psychiatric/Mental Health

Taxonomy Code
363LP0808X
Type
Physician Assistants & Advanced Practice Nursing Providers

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

MR. WILLIAM MELVIN JR.

Authorized Official Title
OFFICE MANAGER
Authorized Official Phone
(240) 253-1978

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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 1265302228, we treat the final digit (8) 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 52. The final step is to find the difference between that total and the next multiple of ten (60 - 52 = 8).

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

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 1 + 2 + 5 + 6 + 0 + 4 + 2 + 4 + 24 = 52

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

The next multiple of ten after 52 is 60. The difference is the calculated check digit.

60 - 52 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1265302228.

Other Providers at the Same Location


The following 2 providers are registered at the same or a nearby location.

Nurse Practitioner (Gerontology)
700 PENNSYLVANIA AVE SE
WASHINGTON, DC 20003
Health and Wellness Coach
700 PENNSYLVANIA AVE SE
WASHINGTON, DC 20003

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1265302228, enumerated as an "organization" on November 06, 2025.

The provider is located at 700 PENNSYLVANIA AVE SE WASHINGTON, DC 20003 and the phone number is (240) 253-1978.

Nurse Practitioner with taxonomy code 363LP0808X and a focus in Psychiatric/Mental Health.