NPPES file of Aug 9, 2026

Lloyd Joseph Gueringer, FNP-C

Family Nurse Practitioner · Slidell, LA

Lloyd Joseph Gueringer, FNP-C is a family nurse practitioner with a practice address in Slidell, Louisiana, and NPI 1801177985, issued on Sep 2, 2011. Check the license (Louisiana AP06649, 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
1801177985
Name
Lloyd Joseph Gueringer
Credential
FNP-C
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License numbers
AP06649 LA
889890 MS
Self-reported in NPPES; status is on the state search
Practice location
3333 Pontchartrain Dr, Slidell, LA 70458
Phone
(985) 238-0320
Enumerated
Sep 2, 2011
Record last updated
Sep 27, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20111102000796); 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.
Download card Updates feed

Also registered at 3333 Pontchartrain Dr

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

  1. Codi Fields, FNPNurse Practitioner1801658984
  2. Nicole Johnson, CFNPFamily Nurse Practitioner1578951240
  3. Elena Meshell, FNPFamily Nurse Practitioner1609618222

Verify Lloyd Joseph Gueringer 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 AP06649
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

77% fewer Medicare Part D claims than the average family nurse practitioner in 2024

302 Medicare Part D claims for 200 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims. 49 claims were for opioids.

  1. Lloyd Gueringer302
  2. Specialty average1,305

Most prescribed

  1. Hydrocodone-Acetaminophen41 claims
  2. Doxycycline Hyclate31 claims
  3. Naproxen30 claims
  4. Methocarbamol26 claims
  5. Cephalexin23 claims
  6. Ondansetron Odt14 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 2 group practices

  1. Greenlight Urgent Care Centers LLCHammond, LA
  2. Washington Parish Emergency Physicians Group LLCBogalusa, LA

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

Lloyd Joseph Gueringer among 4,503 family nurse practitioner records in Louisiana

Lloyd Joseph Gueringer, 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 2011, is newer than 17% of them.

  • NPI issued2011 · 17% of these records are older, 80% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2011 · median 2018 among the 2,959 with a school on file
  • Record last updated2021 · 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).

101 family nurse practitioner records list a practice address in Slidell

They are 101 of the 1,838 NPPES records with a practice address in Slidell, and 4,503 family nurse practitioner records in Louisiana.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Heather Brooks, FNP-CSlidell, LA 704581306100672
  2. Jessica Brousse, A.P.R.N., F.N.P.-C.Slidell, LA 704581164790937
  3. Sheri Clunan, FNP-CSlidell, LA 704581497928592
  4. Casey Cox, FNPSlidell, LA 704581952662447
  5. Tammi Labarre, NPSlidell, LA 704581992990626
  6. Ashley McGinnis, FNP-CSlidell, LA 704581750629432
  7. Linda Melerine, FNPSlidell, LA 704581992925242
  8. Katherine North, APRN, FNPSlidell, LA 704581811271729

Common questions

What is Lloyd Joseph Gueringer, FNP-C's NPI number?

Lloyd Joseph Gueringer, FNP-C's National Provider Identifier (NPI) is 1801177985, issued on Sep 2, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Lloyd Joseph Gueringer, FNP-C located?

The NPPES record lists a practice address at 3333 Pontchartrain Dr, Slidell, LA, 70458. Phone: (985) 238-0320. Providers update this record themselves, so call before visiting.

How can I verify Lloyd Joseph Gueringer, FNP-C's license?

NPPES lists Louisiana license number AP06649, as entered by the provider. Search the Louisiana board that licenses this profession; the NPPES record confirms identity only.

How much does Lloyd Joseph Gueringer, FNP-C prescribe under Medicare Part D?

In 2024, Lloyd Joseph Gueringer, FNP-C had 302 Medicare Part D claims for 200 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.