Registry data as of Aug 27, 2026

Stephen Guilliot

Mental Health Counselor · Mangilao, GU

Stephen Guilliot is a mental health counselor with a practice address in Mangilao, Guam, and NPI 1912603002, issued on Feb 1, 2023. Check the license with the Guam board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1912603002
Name
Stephen Guilliot
Primary taxonomy
Mental Health Counselor 101YM0800X
Practice location
263 Vietnam Veterans Memorial Hwy, Mangilao, GU 96913
Phone
(671) 647-8262
Enumerated
Feb 1, 2023
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 263 Vietnam Veterans Memorial Hwy

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

  1. Leonard Campos, DPTPhysical Therapist1407127871

Verify Stephen Guilliot in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Guam board licenses this professionCheck 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 Guam 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.

1 mental health counselor records list a Mangilao practice address

They are 1 of the 15 NPPES records with a Mangilao practice address, and 10 mental health counselor records in Guam. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other mental health counselor records in Guam

  1. Maria Teresa Aguon, LPCTamuning, GU1982221248
  2. Jesse Baleto, MSWTamuning, GU1457734022
  3. Tony Cruz, M.A.Tamuning, GU1558701110
  4. Jean MacalinaoTamuning, GU1508787821
  5. Valerie Jean MansapitAgana Heights, GU1922623636
  6. Frances Munoz, M.A.Tamuning, GU1891163960
  7. Julie Murrell, LPCTamuning, GU1336779115
  8. Leinani Matsue Naholowaa, LMHCTamuning, GU1083184741
  9. Kendra TaylorTamuning, GU1053012815

Common questions

What is Stephen Guilliot's NPI number?

Stephen Guilliot's National Provider Identifier (NPI) is 1912603002, issued on Feb 1, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Stephen Guilliot located?

The NPPES record lists a practice address at 263 Vietnam Veterans Memorial Hwy, Mangilao, GU, 96913. Phone: (671) 647-8262. Providers update this record themselves, so call before visiting.

How can I verify Stephen Guilliot's license?

Search the Guam board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.