MRS. CHRISTA DANIELLE KRELLWITZ NP-C
NPI 1821442393
Clinic/Center - Primary Care in Upland, CA

NPI Status: Active since April 20, 2016

Contact Information

1113 ALTA AVE STE 220
UPLAND, CA
ZIP 91786
Phone: (909) 985-1908

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  • Individual
  • Female
  • Clinic/Center
  • Primary Care

About CHRISTA KRELLWITZ

This page provides the complete NPI Profile along with additional information for Christa Krellwitz, a primary care provider established in Upland, California with a medical specialization in Clinic/center, focusing in primary care . The healthcare provider is registered in the NPI registry with number 1821442393 assigned on April 2016. The practitioner's primary taxonomy code is 261QP2300X with license number NP95004007 (CA). The provider is registered as an individual and her NPI record was last updated 3 years ago.

NPI
1821442393
Provider Name
MRS. CHRISTA DANIELLE KRELLWITZ NP-C
Gender
Female
Entity Type
Individual
Location Address
1113 ALTA AVE STE 220 UPLAND, CA 91786
Location Phone
(909) 985-1908
Mailing Address
1113 ALTA AVE STE 220 UPLAND, CA 91786
Mailing Phone
(909) 985-1908
Is Sole Proprietor?
Yes
Enumeration Date
04-20-2016
Last Update Date
03-07-2023
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A primary care provider (PCP) like Christa Krellwitz 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 Primary Care

Taxonomy Code
261QP2300X
Type
Ambulatory Health Care Facilities
License No.
NP95004007
License State
CA

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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 1821442393, we treat the final digit (3) 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 67. The final step is to find the difference between that total and the next multiple of ten (70 - 67 = 3).

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

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 4 + 1 + 8 + 4 + 4 + 3 + 1 + 8 + 24 = 67

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

The next multiple of ten after 67 is 70. The difference is the calculated check digit.

70 - 67 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1821442393.

Other Providers at the Same Location


The following 2 providers are registered at the same or a nearby location.

Nurse Practitioner
1113 ALTA AVE STE 220
UPLAND, CA 91786
Nurse Practitioner (Family)
1113 ALTA AVE STE 220
UPLAND, CA 91786

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1821442393, enumerated as an "individual" on April 20, 2016.

The provider is located at 1113 ALTA AVE STE 220 UPLAND, CA 91786 and the phone number is (909) 985-1908.

Clinic/Center with taxonomy code 261QP2300X and a focus in Primary Care.