CAROLINE E SIGNA
NPI 1790468528
Clinic/Center - Student Health in Crown Point, IN

NPI Status: Active since August 09, 2023

Contact Information

2100 N MAIN ST
CROWN POINT, IN
ZIP 46307
Phone: (574) 546-1900
Fax: (574) 546-1999

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  • Individual
  • Female
  • Clinic/Center
  • Student Health

About CAROLINE SIGNA

This page provides the complete NPI Profile along with additional information for Caroline Signa, a primary care provider established in Crown Point, Indiana with a medical specialization in Clinic/center, focusing in student health . The healthcare provider is registered in the NPI registry with number 1790468528 assigned on August 2023. The practitioner's primary taxonomy code is 261QS1000X. The provider is registered as an individual and her NPI record was last updated May 2026.

NPI
1790468528
Provider Name
CAROLINE E SIGNA
Gender
Female
Entity Type
Individual
Location Address
2100 N MAIN ST CROWN POINT, IN 46307
Location Phone
(574) 546-1900
Location Fax
(574) 546-1999
Mailing Address
2100 N MAIN ST CROWN POINT, IN 46307
Mailing Phone
(574) 546-1900
Mailing Fax
(574) 546-1999
Is Sole Proprietor?
No
Enumeration Date
08-09-2023
Last Update Date
05-20-2026
Code Navigator

A primary care provider (PCP) like Caroline Signa sees people with common medical problems. The primary care provider might be a doctor, physician assistant, nurse practitioner or clinic that are usually involved in your long-term care. A PCP might provide preventive care, treat common medical conditions, identify urgent medical problems and refer you to specialists when necessary. Primary care is usually provided in an outpatient facility but if you are admitted to a hospital your PCP may assist in your care. The most common medical conditions seen by primary care providers are: hypertension, upper respiratory tract infections, depression or anxiety, back pain, arthritis, dermatitis, diabetes, urinary tract infections, etc .

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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

Clinic/Center Student Health

Taxonomy Code
261QS1000X
Type
Ambulatory Health Care Facilities

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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 1790468528, we treat the final digit (8) 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 72. The final step is to find the difference between that total and the next multiple of ten (80 - 72 = 8).

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

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 1 + 8 + 0 + 8 + 6 + 1 + 6 + 5 + 4 + 24 = 72

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

The next multiple of ten after 72 is 80. The difference is the calculated check digit.

80 - 72 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1790468528.

Other Providers at the Same Location


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

Nurse Practitioner (Family)
2100 N MAIN ST
CROWN POINT, IN 46307

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1790468528, enumerated as an "individual" on August 09, 2023.

The provider is located at 2100 N MAIN ST CROWN POINT, IN 46307 and the phone number is (574) 546-1900.

Clinic/Center with taxonomy code 261QS1000X and a focus in Student Health.