MRS. KELLY HIGH TROWBRIDGE LCSW
NPI 1811222821
Counselor in Saint Simons Island, GA

NPI Status: Active since October 08, 2009

Contact Information

162 SAINT CLAIR DR
SAINT SIMONS ISLAND, GA
ZIP 31522
Phone: (919) 638-0638

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NPPES record last updated: October 8, 2009. Verified against the NPPES registry weekly; last sync: July 12, 2026.

  • Individual
  • Female
  • Counselor

About KELLY TROWBRIDGE

This page provides the complete NPI Profile along with additional information for Kelly Trowbridge, a provider established in Saint Simons Island, Georgia with a medical specialization in Counselor. The healthcare provider is registered in the NPI registry with number 1811222821 assigned on October 2009. The practitioner's primary taxonomy code is 101Y00000X with license number CSW002600 (GA). The provider is registered as an individual and her NPI record was last updated 17 years ago.

NPI
1811222821
Provider Name
MRS. KELLY HIGH TROWBRIDGE LCSW
Gender
Female
Entity Type
Individual
Location Address
162 SAINT CLAIR DR SAINT SIMONS ISLAND, GA 31522
Location Phone
(919) 638-0638
Mailing Address
162 ST. CLAIR DRIVE SAINT SIMONS ISLAND, GA 31522
Mailing Phone
(919) 638-0638
Is Sole Proprietor?
Yes
Enumeration Date
10-08-2009
Last Update Date
10-08-2009
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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

Counselor

Taxonomy Code
101Y00000X
Type
Behavioral Health & Social Service Providers
License No.
CSW002600
License State
GA
Taxonomy Description
A provider who is trained and educated in the performance of behavior health services through interpersonal communications and analysis. Training and education at the specialty level usually requires a master's degree and clinical experience and supervision for licensure or certification.

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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 1811222821, 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
8
Unchanged
Pos 3
1
Doubled → 2
Pos 4
1
Unchanged
Pos 5
2
Doubled → 4
Pos 6
2
Unchanged
Pos 7
2
Doubled → 4
Pos 8
8
Unchanged
Pos 9
2
Doubled → 4
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 1 → 2 2 → 4 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 + 8 + 2 + 1 + 4 + 2 + 4 + 8 + 4 + 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 1811222821.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1811222821, enumerated as an "individual" on October 08, 2009.

The provider is located at 162 SAINT CLAIR DR SAINT SIMONS ISLAND, GA 31522 and the phone number is (919) 638-0638.

Counselor with taxonomy code 101Y00000X.