FLOYANN WILLIAMS
NPI 1497685796
Registered Nurse - Psychiatric/Mental Health, Adult in New York, NY

NPI Status: Active since May 20, 2026

Contact Information

303 5TH AVE
NEW YORK, NY
ZIP 10016
Phone: (718) 503-4820

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  • Individual
  • Female
  • Registered Nurse
  • Psychiatric/Mental Health, Adult

About FLOYANN WILLIAMS

This page provides the complete NPI Profile along with additional information for Floyann Williams, a provider established in New York, New York with a medical specialization in Registered Nurse, focusing in psychiatric/mental health, adult . The healthcare provider is registered in the NPI registry with number 1497685796 assigned on May 2026. The practitioner's primary taxonomy code is 163WP0809X with license number 646541 (NY). The provider is registered as an individual and her NPI record was last updated May 2026.

NPI
1497685796
Provider Name
FLOYANN WILLIAMS
Gender
Female
Entity Type
Individual
Location Address
303 5TH AVE NEW YORK, NY 10016
Location Phone
(718) 503-4820
Mailing Address
443 E 56TH ST BROOKLYN, NY 11203
Is Sole Proprietor?
No
Enumeration Date
05-20-2026
Last Update Date
05-20-2026
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A registered nurse (RN) like Floyann Williams coordinates and provides patient care and educates patients about various health conditions. Registered nurses give advice and emotional support to patients and their families. The typical duties of a registered nurse include: assessing patient conditions, record medical histories and symptoms, observe patients and record the observations, administer medicines and treatments, consult and collaborate with doctors, operate and monitor medical equipment, teach patients and families how to manage injuries or illnesses, etc.

Registered nurses typically work as part of a team with physicians and other healthcare professionals. In some medical teams registered nurses supervise nursing assistants, licensed practical nurses, and home health aides.

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

Registered Nurse Psychiatric/Mental Health, Adult

Taxonomy Code
163WP0809X
Type
Nursing Service Providers
License No.
646541
License State
NY

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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 1497685796, we treat the final digit (6) 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 74. The final step is to find the difference between that total and the next multiple of ten (80 - 74 = 6).

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
4
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
7
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
8
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
7
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
6
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 6 → 12 → 3 5 → 10 → 1 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 1 + 8 + 7 + 1 + 2 + 8 + 1 + 0 + 7 + 1 + 8 + 24 = 74

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

The next multiple of ten after 74 is 80. The difference is the calculated check digit.

80 - 74 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1497685796.

Other Providers at the Same Location


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

Counselor (Mental Health)
303 5TH AVE, SUITE 1403
NEW YORK, NY 10016
Social Worker (Clinical)
303 5TH AVE, #1403
NEW YORK, NY 10016
Psychologist
303 5TH AVE, 1403
NEW YORK, NY 10016
Psychologist (Clinical)
303 5TH AVE, SUITE 606
NEW YORK, NY 10016
Dietitian, Registered
303 5TH AVE, SUITE 603
NEW YORK, NY 10016
Acupuncturist
303 5TH AVE, SUITE 1501
NEW YORK, NY 10016
Registered Nurse (Pediatrics)
303 5TH AVE, SUITE 1413
NEW YORK, NY 10016
Registered Nurse
303 5TH AVE, SUITE 1413
NEW YORK, NY 10016
Registered Nurse
303 5TH AVE, SUITE 1413
NEW YORK, NY 10016
Registered Nurse
303 5TH AVE, SUITE 1413
NEW YORK, NY 10016
Registered Nurse
303 5TH AVE, SUITE 1413
NEW YORK, NY 10016
Registered Nurse
303 5TH AVE, SUITE 1413
NEW YORK, NY 10016
Registered Nurse
303 5TH AVE, SUITE 1413
NEW YORK, NY 10016
Registered Nurse
303 5TH AVE, SUITE 1413
NEW YORK, NY 10016
Registered Nurse
303 5TH AVE, SUITE 1413
NEW YORK, NY 10016
Registered Nurse
303 5TH AVE, SUITE 1413
NEW YORK, NY 10016
Registered Nurse
303 5TH AVE, SUITE 1413
NEW YORK, NY 10016
Registered Nurse
303 5TH AVE, SUITE 1413
NEW YORK, NY 10016
Registered Nurse
303 5TH AVE, SUITE 1413
NEW YORK, NY 10016
Registered Nurse
303 5TH AVE, SUITE 1413
NEW YORK, NY 10016

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1497685796, enumerated as an "individual" on May 20, 2026.

The provider is located at 303 5TH AVE NEW YORK, NY 10016 and the phone number is (718) 503-4820.

Registered Nurse with taxonomy code 163WP0809X and a focus in Psychiatric/Mental Health, Adult.