KELSI ANN NAU LCSW
NPI 1396403879
Counselor - Mental Health in Rochester, NY

NPI Status: Active since December 02, 2021

Contact Information

81 LAKE AVE FL 2
ROCHESTER, NY
ZIP 14608
Phone: (585) 368-6900
Fax: (585) 546-5806

Get Directions Write a Review

  • Individual
  • Female
  • Counselor
  • Mental Health

About KELSI NAU

This page provides the complete NPI Profile along with additional information for Kelsi Nau, a provider established in Rochester, New York with a medical specialization in Counselor, focusing in mental health . The healthcare provider is registered in the NPI registry with number 1396403879 assigned on December 2021. The practitioner's primary taxonomy code is 101YM0800X with license number 102583 (NY). The provider is registered as an individual and her NPI record was last updated April 2026.

NPI
1396403879
Provider Name
KELSI ANN NAU LCSW
Gender
Female
Entity Type
Individual
Location Address
81 LAKE AVE FL 2 ROCHESTER, NY 14608
Location Phone
(585) 368-6900
Location Fax
(585) 546-5806
Mailing Address
81 LAKE AVE ROCHESTER, NY 14608
Mailing Phone
(585) 368-6900
Mailing Fax
(585) 546-5806
Is Sole Proprietor?
No
Enumeration Date
12-02-2021
Last Update Date
04-07-2026
Code Navigator

A mental health counselor like Kelsi Nau provides treatment to individuals, families, couples, and groups for mental and emotional health issues and relationship problems. Mental health counselors treat clients with a variety of conditions, including anxiety, depression, grief, low self-esteem, stress, and suicidal impulses.

Location Map

Secondary Locations

  • 1401 Stone Rd Ste 300
    Rochester, NY 14615
    (585) 420-8323

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

Counselor Mental Health

Taxonomy Code
101YM0800X
Type
Behavioral Health & Social Service Providers
License No.
102583
License State
NY

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1101YA0400XBehavioral Health & Social Service Providers

Counselor
Addiction (Substance Use Disorder)

102583 (NY)
21041C0700XBehavioral Health & Social Service Providers

Social Worker
Clinical

102583 (NY)

Reviews for KELSI ANN NAU LCSW

There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.

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 1396403879, we treat the final digit (9) 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 71. The final step is to find the difference between that total and the next multiple of ten (80 - 71 = 9).

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

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 1 + 8 + 6 + 8 + 0 + 6 + 8 + 1 + 4 + 24 = 71

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

The next multiple of ten after 71 is 80. The difference is the calculated check digit.

80 - 71 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1396403879.

Other Providers at the Same Location


The following 6 providers are registered at the same or a nearby location.

Counselor (Addiction (Substance Use Disorder))
81 LAKE AVE FL 2
ROCHESTER, NY 14608
Counselor (Addiction (Substance Use Disorder))
81 LAKE AVE FL 2
ROCHESTER, NY 14608
Counselor (Addiction (Substance Use Disorder))
81 LAKE AVE FL 2
ROCHESTER, NY 14608
Counselor (Addiction (Substance Use Disorder))
81 LAKE AVE FL 2
ROCHESTER, NY 14608
Counselor (Addiction (Substance Use Disorder))
81 LAKE AVE FL 2
ROCHESTER, NY 14608
Social Worker
81 LAKE AVE FL 2
ROCHESTER, NY 14608

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1396403879, enumerated as an "individual" on December 02, 2021.

The provider is located at 81 LAKE AVE FL 2 ROCHESTER, NY 14608 and the phone number is (585) 368-6900.

Counselor with taxonomy code 101YM0800X and a focus in Mental Health.