NPPES file of Aug 9, 2026

Elizabeth Gwin Koestler, PHARMD

Pharmacist · Biloxi, MS

Elizabeth Gwin Koestler, PHARMD is a pharmacist with a practice address in Biloxi, Mississippi, and NPI 1578187068, issued on Jun 1, 2020. Check the license (Mississippi 10233, as entered in NPPES) with the Mississippi board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1578187068
Name
Elizabeth Gwin Koestler
Credential
PHARMD
Primary taxonomy
Pharmacist 183500000X
License number
10233 MS
Self-reported in NPPES; status is on the state search
Practice location
400 Veterans Ave, Biloxi, MS 39531
Phone
(228) 523-5141
Enumerated
Jun 1, 2020
Record last updated
Jun 1, 2020 (not updated in 6 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest pharmacist records → All 2,236 in Mississippi → Look up another NPI →

Also registered at 400 Veterans Ave

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

  1. Adam Abrahms, RRTRegistered Respiratory Therapist1831110188
  2. Adam Akers, PSY.D.Student in an Organized Health Care Education/Training Program1801297080
  3. Magdalene AllenSocial Worker1093684219
  4. Mallory AllenOther Technician1750685863
  5. Heather Andersen, LMSWSocial Worker1437634391
  6. Jon ArnoldPharmacist1851168272

Verify Elizabeth Gwin Koestler in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Mississippi board licenses this profession
    Search for license 10233    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 Mississippi 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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Elizabeth Gwin Koestler among 2,236 pharmacist records in Mississippi

Elizabeth Gwin Koestler, PHARMD is one of 2,236 pharmacist records with a practice address in Mississippi. 2% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2020, is newer than 58% of them.

  • NPI issued2020 · 58% of these records are older, 24% newer
  • In a Medicare fileNo · 2% of these records are
  • In the CMS Doctors and Clinicians fileNo · 0% of these records are
  • Record last updated2020 · 76% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 183500000X and a Mississippi practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

114 pharmacist records list a practice address in Biloxi

They are 114 of the 1,402 NPPES records with a practice address in Biloxi, and 2,236 pharmacist records in Mississippi. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 2,236 in Mississippi → Every provider in Biloxi → Pharmacist nationwide →

The 8 pharmacist records with the nearest ZIP codes

  1. John Davis, RPHBiloxi, MS 395311255356861
  2. Michael Duran, RPH.Biloxi, MS 395311649296450
  3. David Dykes, R.PH.Biloxi, MS 395311649211483
  4. Cheryl Hankins, PHARMDBiloxi, MS 395311639101140
  5. Steve Kizzer, RPHBiloxi, MS 395311871525519
  6. Leah Mavromihalis, PHARM.D.Biloxi, MS 395311336175579
  7. Paul Nguyen, R.PH.Biloxi, MS 395311467486837
  8. Susan Nichols, RPH, PHARMDBiloxi, MS 395311811927411

Common questions

What is Elizabeth Gwin Koestler, PHARMD's NPI number?

Elizabeth Gwin Koestler, PHARMD's National Provider Identifier (NPI) is 1578187068, issued on Jun 1, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Elizabeth Gwin Koestler, PHARMD located?

The NPPES record lists a practice address at 400 Veterans Ave, Biloxi, MS, 39531. Phone: (228) 523-5141. Providers update this record themselves, so call before visiting.

How can I verify Elizabeth Gwin Koestler, PHARMD's license?

NPPES lists Mississippi license number 10233, as entered by the provider. Search the Mississippi board that licenses this profession; the NPPES record confirms identity 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. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.