NPPES file of Aug 9, 2026

Mandy Guilliams, FNP-C

Family Nurse Practitioner · Alexandria, LA

Mandy Guilliams, FNP-C is a family nurse practitioner with a practice address in Alexandria, Louisiana, and NPI 1578291258, issued on Aug 10, 2022. Check the license (Louisiana 229605, as entered in NPPES) with the Louisiana board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1578291258
Name
Mandy Guilliams
Credential
FNP-C
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License numbers
229605 LA
RN155232 LA
Self-reported in NPPES; status is on the state search
Practice location
3444 Masonic Dr, Alexandria, LA 71301
Phone
(318) 473-9556
Enumerated
Aug 10, 2022
Record last updated
Aug 12, 2025
Fax
(318) 443-9190
Medicare enrollment
Enrolled (PECOS I20230414000928); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 3444 Masonic Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Mark Dodson, MDOrthopaedic Hand Surgery Physician1487628236
  2. Jeanne Harrison, FNP-CFamily Nurse Practitioner1740694793
  3. Chuck Knight, RN,CNOR,RNFA, FNPFamily Nurse Practitioner1295274553
  4. Janssen Meeker, DPTPhysical Therapist1417409996
  5. Rainnier Mira, PA-SPhysician Assistant1346894722
  6. Kelsey NevillePhysical Therapist1386263770

Verify Mandy Guilliams in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Louisiana board licenses this profession
    Search for license 229605
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Louisiana license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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63% fewer Medicare Part D claims than the average family nurse practitioner in 2024

479 Medicare Part D claims for 228 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims. 312 claims were for opioids.

  1. Mandy Guilliams479
  2. Specialty average1,305

Most prescribed

  1. Hydrocodone-Acetaminophen209 claims
  2. Tramadol Hcl70 claims
  3. Meloxicam61 claims
  4. Oxycodone-Acetaminophen33 claims
  5. Methylprednisolone30 claims
  6. Eliquis24 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Mid State Orthopaedic And Sports Medicine Center LLCAlexandria, LA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Mandy Guilliams among 4,503 family nurse practitioner records in Louisiana

Mandy Guilliams, FNP-C is one of 4,503 family nurse practitioner records with a practice address in Louisiana. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 73% of them.

  • NPI issued2022 · 73% of these records are older, 20% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2022 · median 2018 among the 2,959 with a school on file
  • Record last updated2025 · 46% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

122 family nurse practitioner records list a practice address in Alexandria

They are 122 of the 2,390 NPPES records with a practice address in Alexandria, and 4,503 family nurse practitioner records in Louisiana.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Lori Bordelon Lea, DNP, FNP-BCAlexandria, LA 713011821229220
  2. Suzanne Cieslak, N.P.Alexandria, LA 713011902994973
  3. Julie Eubanks, FNPAlexandria, LA 713011720241441
  4. John Hughes, NPCPineville, LA 713011043324957
  5. Melanie Johnson, APRN, MSN,FNP-CAlexandria, LA 713011306978051
  6. Susan Kelone, N.P.Alexandria, LA 713011497743645
  7. Kimberly Laborde, FNP-CAlexandria, LA 713011902117781
  8. Beverly Lowentritt, FNPAlexandria, LA 713011861527814

Common questions

What is Mandy Guilliams, FNP-C's NPI number?

Mandy Guilliams, FNP-C's National Provider Identifier (NPI) is 1578291258, issued on Aug 10, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Mandy Guilliams, FNP-C located?

The NPPES record lists a practice address at 3444 Masonic Dr, Alexandria, LA, 71301. Phone: (318) 473-9556. Providers update this record themselves, so call before visiting.

How can I verify Mandy Guilliams, FNP-C's license?

NPPES lists Louisiana license number 229605, as entered by the provider. Search the Louisiana board that licenses this profession; the NPPES record confirms identity only.

How much does Mandy Guilliams, FNP-C prescribe under Medicare Part D?

In 2024, Mandy Guilliams, FNP-C had 479 Medicare Part D claims for 228 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.