SWAN LICENSED PROFESSIONAL CLINICAL COUNSELOR GROUP PC
NPI 1720934680
Counselor - Mental Health in San Francisco, CA

NPI Status: Active since March 04, 2026

Contact Information

505 MONTGOMERY ST
SAN FRANCISCO, CA
ZIP 94111
Phone: (610) 608-4868

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  • Organization
  • Counselor
  • Mental Health

About SWAN LICENSED PROFESSIONAL CLINICAL COUNSELOR GROUP PC

This page provides the complete NPI Profile along with additional information for Swan Licensed Professional Clinical Counselor Group Pc, a provider established in San Francisco, California operating as a Counselor, focusing in mental health . The healthcare provider is registered in the NPI registry with number 1720934680 assigned on March 2026. The practitioner's primary taxonomy code is 101YM0800X. The provider is registered as an organization and their NPI record was last updated March 2026. 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 Kathryn Gentile Lpcc (Owner)

NPI
1720934680
Provider Name
SWAN LICENSED PROFESSIONAL CLINICAL COUNSELOR GROUP PC
Entity Type
Organization
Location Address
505 MONTGOMERY ST SAN FRANCISCO, CA 94111
Location Phone
(610) 608-4868
Mailing Address
505 MONTGOMERY ST SAN FRANCISCO, CA 94111
Mailing Phone
(610) 608-4868
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
03-04-2026
Last Update Date
03-04-2026
Code Navigator

A mental health counselor like Swan Licensed Professional Clinical Counselor Group Pc 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

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

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

KATHRYN GENTILE LPCC

Authorized Official Title
OWNER
Authorized Official Phone
(610) 608-4868

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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 1720934680, we treat the final digit (0) 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 70. The final step is to find the difference between that total and the next multiple of ten (70 - 70 = 0).

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
7
Unchanged
Pos 3
2
Doubled → 4
Pos 4
0
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
3
Unchanged
Pos 7
4
Doubled → 8
Pos 8
6
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
0
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 4 → 8 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 4 + 0 + 1 + 8 + 3 + 8 + 6 + 1 + 6 + 24 = 70

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

The next multiple of ten after 70 is 70. The difference is the calculated check digit.

70 - 70 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1720934680.

Other Providers at the Same Location


The following 4 providers are registered at the same or a nearby location.

Registered Nurse (Lactation Consultant)
505 MONTGOMERY ST, 11TH FLOOR
SAN FRANCISCO, CA 94111
Durable Medical Equipment & Medical Supplies
505 MONTGOMERY ST, SUITE 1031
SAN FRANCISCO, CA 94111
General Practice
505 MONTGOMERY ST, FL 10 & 11
SAN FRANCISCO, CA 94111
Internal Medicine (Pulmonary Disease)
505 MONTGOMERY ST, FLOOR 10
SAN FRANCISCO, CA 94111

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1720934680, enumerated as an "organization" on March 04, 2026.

The provider is located at 505 MONTGOMERY ST SAN FRANCISCO, CA 94111 and the phone number is (610) 608-4868.

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