MRS. CALLIE ANN LANDWEHR MSN, APRN, FNP-C
NPI 1770299919
Nurse Practitioner - Family in Dallas, TX

NPI Status: Active since January 30, 2023

Contact Information

2603 OAK LAWN AVE
DALLAS, TX
ZIP 75219
Phone: (214) 219-4100

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  • Individual
  • Female
  • Nurse Practitioner
  • Family

About CALLIE LANDWEHR

This page provides the complete NPI Profile along with additional information for Callie Landwehr, a provider established in Dallas, Texas with a medical specialization in Nurse Practitioner, focusing in family . The healthcare provider is registered in the NPI registry with number 1770299919 assigned on January 2023. The practitioner's primary taxonomy code is 363LF0000X with license number 1102203 (TX). The provider is registered as an individual and her NPI record was last updated 3 years ago.

NPI
1770299919
Provider Name
MRS. CALLIE ANN LANDWEHR MSN, APRN, FNP-C
Gender
Female
Entity Type
Individual
Location Address
2603 OAK LAWN AVE DALLAS, TX 75219
Location Phone
(214) 219-4100
Mailing Address
5225 TOWN AND COUNTRY BLVD APT 212 FRISCO, TX 75034
Mailing Phone
(469) 426-5445
Is Sole Proprietor?
No
Enumeration Date
01-30-2023
Last Update Date
01-30-2023
Code Navigator

A nurse practitioner (NP) like Callie Landwehr is an experienced registered nurse with a master’s or doctoral degree and advanced clinical training. Nurse practitioners can work in many different specialties including primary care, pediatrics, cardiology, emergency, women’s health, oncology or geriatrics. Nurse practitioners provide services like physical exams, order laboratory tests, manage diseases, write prescriptions, etc.

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

Nurse Practitioner Family

Taxonomy Code
363LF0000X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
1102203
License State
TX

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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 1770299919, we treat the final digit (9) 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 71. The final step is to find the difference between that total and the next multiple of ten (80 - 71 = 9).

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
7
Doubled → 14 → 1 + 4
Pos 4
0
Unchanged
Pos 5
2
Doubled → 4
Pos 6
9
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
9
Unchanged
Pos 9
1
Doubled → 2
Check
9
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 7 → 14 → 5 2 → 4 9 → 18 → 9 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 1 + 4 + 0 + 4 + 9 + 1 + 8 + 9 + 2 + 24 = 71

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

The next multiple of ten after 71 is 80. The difference is the calculated check digit.

80 - 71 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1770299919.

Other Providers at the Same Location


The following 10 providers are registered at the same or a nearby location.

Otolaryngology (Facial Plastic Surgery)
2603 OAK LAWN AVE, 100
DALLAS, TX 75219
Pharmacy (Community/Retail Pharmacy)
2603 OAK LAWN AVE
DALLAS, TX 75219
Nurse Practitioner (Adult Health)
2603 OAK LAWN AVE, STE 100
DALLAS, TX 75219
Nurse Practitioner (Family)
2603 OAK LAWN AVE, SUITE 500
DALLAS, TX 75219
Nurse Practitioner (Adult Health)
2603 OAK LAWN AVE, SUITE 101
DALLAS, TX 75219
Internal Medicine (Infectious Disease)
2603 OAK LAWN AVE, SUITE 210
DALLAS, TX 75219
Internal Medicine (Nephrology)
2603 OAK LAWN AVE, SUITE 101A
DALLAS, TX 75219
Pharmacist
2603 OAK LAWN AVE
DALLAS, TX 75219
Pharmacist (Nutrition Support)
2603 OAK LAWN AVE, SUITE 400
DALLAS, TX 75219
Internal Medicine
2603 OAK LAWN AVE, 500
DALLAS, TX 75219

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1770299919, enumerated as an "individual" on January 30, 2023.

The provider is located at 2603 OAK LAWN AVE DALLAS, TX 75219 and the phone number is (214) 219-4100.

Nurse Practitioner with taxonomy code 363LF0000X and a focus in Family.