MRS. GRETTA LYNN GILLIAM DNP, ARNP, FNP-C
NPI 1821297698
Nurse Practitioner - Family in Springfield, MO

NPI Status: Active since July 12, 2007

Contact Information

1850 W REPUBLIC RD
SPRINGFIELD, MO
ZIP 65807
Phone: (417) 891-4800
Fax: (417) 891-4913

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  • Individual
  • Female
  • Nurse Practitioner
  • Family

About GRETTA GILLIAM

This page provides the complete NPI Profile along with additional information for Gretta Gilliam, a provider established in Springfield, Missouri with a medical specialization in Nurse Practitioner, focusing in family . The healthcare provider is registered in the NPI registry with number 1821297698 assigned on July 2007. The practitioner's primary taxonomy code is 363LF0000X with license number 138082 (MO). The provider is registered as an individual and her NPI record was last updated 5 years ago.

NPI
1821297698
Provider Name
MRS. GRETTA LYNN GILLIAM DNP, ARNP, FNP-C
Other Name
MS. GRETTA LYNN NATION RN,,MSN, ARNP-C
Other Name Type
Former Name (1)
Gender
Female
Entity Type
Individual
Location Address
1850 W REPUBLIC RD SPRINGFIELD, MO 65807
Location Phone
(417) 891-4800
Location Fax
(417) 891-4913
Mailing Address
1850 W REPUBLIC RD SPRINGFIELD, MO 65807
Mailing Phone
(417) 891-4800
Mailing Fax
(417) 891-4913
Is Sole Proprietor?
No
Enumeration Date
07-12-2007
Last Update Date
03-30-2021
Code Navigator

A nurse practitioner (NP) like Gretta Gilliam 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.
138082
License State
MO

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)
1363LA2200XPhysician Assistants & Advanced Practice Nursing Providers

Nurse Practitioner
Adult Health

138082 (MO)

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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 1821297698, 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
8
Unchanged
Pos 3
2
Doubled → 4
Pos 4
1
Unchanged
Pos 5
2
Doubled → 4
Pos 6
9
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
6
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
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 2 → 4 2 → 4 7 → 14 → 5 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 + 4 + 9 + 1 + 4 + 6 + 1 + 8 + 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 1821297698.

Other Providers at the Same Location


The following 17 providers are registered at the same or a nearby location.

Clinic/Center (VA)
1850 W REPUBLIC RD
SPRINGFIELD, MO 65807
Social Worker (Clinical)
1850 W REPUBLIC RD
SPRINGFIELD, MO 65807
Psychologist (Clinical)
1850 W REPUBLIC RD
SPRINGFIELD, MO 65807
Optometrist
1850 W REPUBLIC RD
SPRINGFIELD, MO 65807
Optometrist
1850 W REPUBLIC RD
SPRINGFIELD, MO 65807
Family Medicine
1850 W REPUBLIC RD
SPRINGFIELD, MO 65807
Registered Nurse (Administrator)
1850 W REPUBLIC RD
SPRINGFIELD, MO 65807
Internal Medicine
1850 W REPUBLIC RD
SPRINGFIELD, MO 65807
Audiologist
1850 W REPUBLIC RD
SPRINGFIELD, MO 65807
Optometrist
1850 W REPUBLIC RD
SPRINGFIELD, MO 65807
Pharmacist (Pharmacotherapy)
1850 W REPUBLIC RD
SPRINGFIELD, MO 65807
Podiatrist (Foot & Ankle Surgery)
1850 W REPUBLIC RD
SPRINGFIELD, MO 65807
Pharmacist (Ambulatory Care)
1850 W REPUBLIC RD
SPRINGFIELD, MO 65807
Nurse Practitioner (Family)
1850 W REPUBLIC RD
SPRINGFIELD, MO 65807
Family Medicine
1850 W REPUBLIC RD
SPRINGFIELD, MO 65807
Social Worker
1850 W REPUBLIC RD
SPRINGFIELD, MO 65807
Physical Medicine & Rehabilitation
1850 W REPUBLIC RD
SPRINGFIELD, MO 65807

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1821297698, enumerated as an "individual" on July 12, 2007.

The provider is located at 1850 W REPUBLIC RD SPRINGFIELD, MO 65807 and the phone number is (417) 891-4800.

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