NPPES file of Aug 9, 2026

Len Alvis Duncan, M.S.

Mental Health Counselor · Gainesville, FL

Len Alvis Duncan, M.S. is a mental health counselor with a practice address in Gainesville, Florida, and NPI 1457992141, issued on Oct 3, 2019. Check the license on the Florida health license search; 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
1457992141
Name
Len Alvis Duncan
Credential
M.S.
Primary taxonomy
Mental Health Counselor 101YM0800X
Practice location
4421 NW 39TH Ave Ste 3, Gainesville, FL 32606
Phone
(352) 380-0209
Enumerated
Oct 3, 2019
Record last updated
Oct 3, 2019 (not updated in 7 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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Also registered at 4421 NW 39TH Ave Ste 3

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

  1. Catlin Bauer, M.ED., ED.S.Counselor1477113140
  2. Sarah Falk, ATRContractor1447833231
  3. Christine HallMental Health Counselor1679320410
  4. Madeline ObergMental Health Counselor1205426046
  5. Carrie Roberts, MA, RMHCIMental Health Counselor1619557006
  6. Matt Seitz, PHDPsychologist1730721903

Verify Len Alvis Duncan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersFlorida health license searchCheck 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

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495 mental health counselor records list a practice address in Gainesville

They are 495 of the 14,407 NPPES records with a practice address in Gainesville, and 23,249 mental health counselor records in Florida. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other mental health counselor records in Florida

  1. Debra Aalberg, B.A.Clearwater, FL1255689345
  2. Joetta AaronJacksonville, FL1215351135
  3. Rebecca AaronPensacola, FL1649096728
  4. Christine Abad, LMHCPensacola, FL1710374699
  5. Eva Abad, LMHCMiramar, FL1033542543
  6. Marianne AbadirDunedin, FL1285123422
  7. Claudia AbaloOrlando, FL1346601572
  8. Rana Abbas, RMHCIOrlando, FL1497475891
  9. Kathleen Abbott, MSW, LMHCSt Augustine, FL1508886615
  10. Jessika AbdalahCoconut Grove, FL1033997739

Common questions

What is Len Alvis Duncan, M.S.'s NPI number?

Len Alvis Duncan, M.S.'s National Provider Identifier (NPI) is 1457992141, issued on Oct 3, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Len Alvis Duncan, M.S. located?

The NPPES record lists a practice address at 4421 NW 39TH Ave Ste 3, Gainesville, FL, 32606. Phone: (352) 380-0209. Providers update this record themselves, so call before visiting.

How can I verify Len Alvis Duncan, M.S.'s license?

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. 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.