S&J FAMILY HEALTH NPS PLLC
NPI 1023947041
Nurse Practitioner in Islip, NY

NPI Status: Active since May 15, 2026

Contact Information

375 MAIN ST
ISLIP, NY
ZIP 11751
Phone: (631) 903-3567

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  • Organization
  • Nurse Practitioner

About S&J FAMILY HEALTH NPS PLLC

This page provides the complete NPI Profile along with additional information for S&j Family Health Nps Pllc, a provider established in Islip, New York operating as a Nurse Practitioner. The healthcare provider is registered in the NPI registry with number 1023947041 assigned on May 2026. The practitioner's primary taxonomy code is 363L00000X. The provider is registered as an organization and their NPI record was last updated May 2026. S&j Family Health Nps Pllc operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The authorized official of this NPI record is Steven A Clarke Fnp (President)

NPI
1023947041
Provider Name
S&J FAMILY HEALTH NPS PLLC
Entity Type
Organization
Location Address
375 MAIN ST ISLIP, NY 11751
Location Phone
(631) 903-3567
Mailing Address
8 AVENUE A HOLBROOK, NY 11741
Mailing Phone
(631) 903-3567
Mailing Fax
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
05-15-2026
Last Update Date
05-15-2026
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A nurse practitioner (NP) like S&j Family Health Nps Pllc 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.

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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

Nurse Practitioner

Taxonomy Code
363L00000X
Type
Physician Assistants & Advanced Practice Nursing Providers
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.

Group Taxonomy 193200000X MULTI-SPECIALTY GROUP

This provider is a business group of one or more individual practitioners, who practice with different areas 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

STEVEN A CLARKE FNP

Authorized Official Title
PRESIDENT
Authorized Official Phone
(631) 903-3567

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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 1023947041, we treat the final digit (1) 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 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 1).

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

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 4 + 3 + 1 + 8 + 4 + 1 + 4 + 0 + 8 + 24 = 59

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

The next multiple of ten after 59 is 60. The difference is the calculated check digit.

60 - 59 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1023947041.

Other Providers at the Same Location


The following 11 providers are registered at the same or a nearby location.

Internal Medicine
375 MAIN ST
ISLIP, NY 11751
Internal Medicine
375 MAIN ST
ISLIP, NY 11751
Dentist (General Practice)
375 MAIN ST
ISLIP, NY 11751
Specialist
375 MAIN ST
ISLIP, NY 11751
Physical Therapist
375 MAIN ST
ISLIP, NY 11751
Physical Therapist
375 MAIN ST, SUITE 1A
ISLIP, NY 11751
Acupuncturist
375 MAIN ST
ISLIP, NY 11751
Massage Therapist
375 MAIN ST
ISLIP, NY 11751
Massage Therapist
375 MAIN ST
ISLIP, NY 11751
Massage Therapist
375 MAIN ST
ISLIP, NY 11751
Nurse Practitioner (Psychiatric/Mental Health)
375 MAIN ST
ISLIP, NY 11751

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1023947041, enumerated as an "organization" on May 15, 2026.

The provider is located at 375 MAIN ST ISLIP, NY 11751 and the phone number is (631) 903-3567.

Nurse Practitioner with taxonomy code 363L00000X.