MRS. KATHERINE DEY FEICKERT
NPI 1861355166
Counselor in Santa Cruz, CA

NPI Status: Active since December 04, 2025

Contact Information

151 BROOK KNOLL DR
SANTA CRUZ, CA
ZIP 95060
Phone: (381) 334-3619

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  • Individual
  • Female
  • Counselor

About KATHERINE FEICKERT

This page provides the complete NPI Profile along with additional information for Katherine Feickert, a provider established in Santa Cruz, California with a medical specialization in Counselor. The healthcare provider is registered in the NPI registry with number 1861355166 assigned on December 2025. The practitioner's primary taxonomy code is 101Y00000X with license number 250288259 (CA). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1861355166
Provider Name
MRS. KATHERINE DEY FEICKERT
Gender
Female
Entity Type
Individual
Location Address
151 BROOK KNOLL DR SANTA CRUZ, CA 95060
Location Phone
(381) 334-3619
Mailing Address
3823 BROMMER ST SANTA CRUZ, CA 95062
Mailing Phone
(562) 552-5987
Is Sole Proprietor?
No
Enumeration Date
12-04-2025
Last Update Date
12-04-2025
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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.
250288259
License State
CA
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 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 1861355166, 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 54. The final step is to find the difference between that total and the next multiple of ten (60 - 54 = 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
8
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
1
Unchanged
Pos 5
3
Doubled → 6
Pos 6
5
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
1
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
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 6 → 12 → 3 3 → 6 5 → 10 → 1 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 2 + 1 + 6 + 5 + 1 + 0 + 1 + 1 + 2 + 24 = 54

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

The next multiple of ten after 54 is 60. The difference is the calculated check digit.

60 - 54 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1861355166.

Other Providers at the Same Location


The following 1 provider is registered at the same or a nearby location.

Counselor (School)
151 BROOK KNOLL DR
SANTA CRUZ, CA 95060

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1861355166, enumerated as an "individual" on December 04, 2025.

The provider is located at 151 BROOK KNOLL DR SANTA CRUZ, CA 95060 and the phone number is (381) 334-3619.

Counselor with taxonomy code 101Y00000X.