LOU ANN EARNHARDT MSN, AGPCNP-BC
NPI 1891228839
Nurse Practitioner - Adult Health in Winston Salem, NC

Active since April 06, 2017
1900 W 1ST ST, WINSTON SALEM, NC 27104(737) 226-6700(737) 226-6750 Get Directions Write a Review

NPPES record last updated: July 21, 2022. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Jul 21, 2022, Mar 17, 2018, Jul 14, 2017 (3 updates tracked since 2017).

  • Individual
  • Female
  • Nurse Practitioner
  • Adult Health

About LOU EARNHARDT

This page provides the complete NPI Profile along with additional information for Lou Earnhardt, a provider established in Winston Salem, North Carolina with a medical specialization in Nurse Practitioner, focusing in adult health . The healthcare provider is registered in the NPI registry with number 1891228839 assigned on April 2017. The practitioner's primary taxonomy code is 363LA2200X with license number 5009475 (NC). The provider is registered as an individual and her NPI record was last updated 4 years ago.

NPI
1891228839
Provider Name
LOU ANN EARNHARDT MSN, AGPCNP-BC
Other Name
LOU ANN LATTA
Other Name Type
Former Name (1)
Gender
Female
Entity Type
Individual
Location Address
1900 W 1ST ST WINSTON SALEM, NC 27104
Location Phone
(737) 226-6700
Location Fax
(737) 226-6750
Mailing Address
1315 KENSINGTON DR HIGH POINT, NC 27262
Mailing Phone
(336) 848-8250
Mailing Fax
(737) 226-6750
Is Sole Proprietor?
No
Enumeration Date
04-06-2017
Last Update Date
07-21-2022
Code Navigator

A nurse practitioner (NP) like Lou Earnhardt 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

Secondary Locations

  • 3901A Spicewood Springs Rd Ste 201
    Austin, TX 78759
    (737) 226-6700

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 Adult Health

Taxonomy Code
363LA2200X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
5009475
License State
NC

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1163W00000XNursing Service Providers

Registered Nurse

254702 (NC)

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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 1891228839, 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
8
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
1
Unchanged
Pos 5
2
Doubled → 4
Pos 6
2
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
8
Unchanged
Pos 9
3
Doubled → 6
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 9 → 18 → 9 2 → 4 8 → 16 → 7 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 8 + 1 + 4 + 2 + 1 + 6 + 8 + 6 + 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 1891228839.

Other Providers at the Same Location


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

Skilled Nursing Facility
1900 W 1ST ST
WINSTON SALEM, NC 27104
Skilled Nursing Facility
1900 W 1ST ST
WINSTON SALEM, NC 27104
Skilled Nursing Facility
1900 W 1ST ST
WINSTON SALEM, NC 27104
Nurse Practitioner (Family)
1900 W 1ST ST
WINSTON SALEM, NC 27104
Occupational Therapy Assistant
1900 W 1ST ST
WINSTON SALEM, NC 27104
Occupational Therapy Assistant
1900 W 1ST ST
WINSTON SALEM, NC 27104
Dietitian, Registered
1900 W 1ST ST
WINSTON SALEM, NC 27104
Skilled Nursing Facility
1900 W 1ST ST
WINSTON SALEM, NC 27104
Skilled Nursing Facility
1900 W 1ST ST
WINSTON SALEM, NC 27104
Registered Nurse (Wound Care)
1900 W 1ST ST
WINSTON SALEM, NC 27104

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1891228839, enumerated as an "individual" on April 06, 2017.

The provider is located at 1900 W 1ST ST WINSTON SALEM, NC 27104 and the phone number is (737) 226-6700.

Nurse Practitioner with taxonomy code 363LA2200X and a focus in Adult Health.