JANET CAROL FARMER
NPI 1003389065
Social Worker in Surprise, AZ

NPI Status: Active since January 02, 2019

Contact Information

17656 N 114TH LN
SURPRISE, AZ
ZIP 85378
Phone: (602) 828-6878
Fax: (602) 279-1431

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  • Individual
  • Female
  • Social Worker

About JANET FARMER

This page provides the complete NPI Profile along with additional information for Janet Farmer, a provider established in Surprise, Arizona with a medical specialization in Social Worker. The healthcare provider is registered in the NPI registry with number 1003389065 assigned on January 2019. The practitioner's primary taxonomy code is 104100000X with license number 9739455 (AZ). The provider is registered as an individual and her NPI record was last updated February 2026.

NPI
1003389065
Provider Name
JANET CAROL FARMER
Gender
Female
Entity Type
Individual
Location Address
17656 N 114TH LN SURPRISE, AZ 85378
Location Phone
(602) 828-6878
Location Fax
(602) 279-1431
Mailing Address
4449 N 12TH ST PHOENIX, AZ 85014
Mailing Phone
(602) 279-1427
Mailing Fax
(602) 279-1431
Is Sole Proprietor?
No
Enumeration Date
01-02-2019
Last Update Date
02-19-2026
Code Navigator

A social worker like Janet Farmer helps patients solve and cope with problems in their everyday lives, diagnoses and treats mental, behavioral, and emotional problems. Social workers help in wide range of situations, such as adopting a child, illness, divorce, or unemployment.

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

Social Worker

Taxonomy Code
104100000X
Type
Behavioral Health & Social Service Providers
License No.
9739455
License State
AZ
Taxonomy Description
A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.

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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 1003389065, we treat the final digit (5) 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 55. The final step is to find the difference between that total and the next multiple of ten (60 - 55 = 5).

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

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 0 + 3 + 6 + 8 + 1 + 8 + 0 + 1 + 2 + 24 = 55

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

The next multiple of ten after 55 is 60. The difference is the calculated check digit.

60 - 55 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1003389065.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1003389065, enumerated as an "individual" on January 02, 2019.

The provider is located at 17656 N 114TH LN SURPRISE, AZ 85378 and the phone number is (602) 828-6878.

Social Worker with taxonomy code 104100000X.