NPPES file of Aug 9, 2026

Alexandra Krohnfeldt Duval, DPT

Physical Therapist · Saint Augustine, FL

Alexandra Krohnfeldt Duval, DPT is a physical therapist with a practice address in Saint Augustine, Florida, and NPI 1538855523, issued on Apr 13, 2023. Check the license (Florida PT39945, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1538855523
Name
Alexandra Krohnfeldt Duval
Credential
DPT
Primary taxonomy
Physical Therapist 225100000X
License number
PT39945 FL
Self-reported in NPPES; status is on the state search
Practice location
105 Mariner Health Way Ste 213, Saint Augustine, FL 32086
Phone
(904) 217-4259
Enumerated
Apr 13, 2023
Record last updated
Apr 13, 2023
Fax
(904) 217-4251
Medicare enrollment
Enrolled (PECOS I20230420003019); 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 105 Mariner Health Way Ste 213

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

  1. Irina Damjanovic, DPTPhysical Therapist1306528880
  2. Douglas Fiorentino, DPTPhysical Therapist1578344875
  3. Melanie Lomaglio, P.T.Physical Therapist1750524922
  4. Victoria Martin, OTR/LOccupational Therapist1750760435
  5. Thomas OleskoPhysical Therapist1417410192
  6. Matthew Potter, DPTPhysical Therapist1902427693

Verify Alexandra Krohnfeldt Duval in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersFlorida health license search
    Search for license PT39945    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
Open the Florida 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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Bills Medicare through one group practice

  1. Saint Augustine Rehabilitation Specialists LLCSt Augustine, FL

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

77 physical therapist records list a practice address in Saint Augustine

They are 77 of the 704 NPPES records with a practice address in Saint Augustine, and 14,419 physical therapist records in Florida.

All 77 in Saint Augustine → All 14,419 in Florida → Every provider in Saint Augustine →

Other physical therapist records in Florida

  1. Liela AbadDelray Beach, FL1487020509
  2. Oday AbadWest Palm Beach, FL1164033775
  3. Katty Abadie, MSPTMiramar, FL1003882457
  4. Renante Abagat, PTJacksonville, FL1912017492
  5. John AbarcaOrlando, FL1104192426
  6. Melinda AbbittOldsmar, FL1699803908
  7. Andrew Abbott, MPTOcala, FL1255618435
  8. Andrew AbbottSt Petersburg, FL1073320032
  9. Barbara Abbott, PHYSICAL THERAPISTSeminole, FL1366163156
  10. Eshak Abdalla, DPTKissimmee, FL1124955497

Common questions

What is Alexandra Krohnfeldt Duval, DPT's NPI number?

Alexandra Krohnfeldt Duval, DPT's National Provider Identifier (NPI) is 1538855523, issued on Apr 13, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Alexandra Krohnfeldt Duval, DPT located?

The NPPES record lists a practice address at 105 Mariner Health Way Ste 213, Saint Augustine, FL, 32086. Phone: (904) 217-4259. Providers update this record themselves, so call before visiting.

How can I verify Alexandra Krohnfeldt Duval, DPT's license?

NPPES lists Florida license number PT39945, as entered by the provider. Search the Florida health license search at https://mqa-internet.doh.state.fl.us/mqasearchservices/healthcareproviders. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

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.

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.