NPPES file of Aug 9, 2026

Mara San Nicolas, MSW

Social Worker · Maite, GU

Mara San Nicolas, MSW is a social worker with a practice address in Maite, Guam, and NPI 1639674633, issued on Mar 29, 2018. 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, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1639674633
Name
Mara San Nicolas
Credential
MSW
Primary taxonomy
Social Worker 104100000X
License number
LSW-2466 HI
Self-reported in NPPES; status is on the state search
Practice location
400 Route 8 Ste 303, Maite, GU 96910
Phone
(671) 475-0061
Enumerated
Mar 29, 2018
Record last updated
Mar 29, 2018 (not updated in 8 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.
Download card Updates feed

Also registered at 400 Route 8 Ste 303

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

  1. Christine Joyce Cristobal, RNRegistered Nurse1356193429
  2. Joliene Hasugulayag, MSW, LSWSocial Worker1316635683
  3. Rosalo Paeste, RNRegistered Nurse1245085471
  4. Victoria Perez, RDRegistered Dietitian1598231300
  5. Joan Unsay, REGISTERED NURSERegistered Nurse1952156184

Verify Mara San Nicolas 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.

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

2 social worker records list a practice address in Maite

They are 2 of the 11 NPPES records with a practice address in Maite, and 4 social worker records in Guam. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 2 in Maite → All 4 in Guam → Every provider in Maite →

Other social worker records in Guam

  1. Gregorio BorjaBarrigada, GU1215264668
  2. Ane Delly, MSW, LCSWAgana Heights, GU1699264747
  3. Joliene Hasugulayag, MSW, LSWMaite, GU1316635683

Common questions

What is Mara San Nicolas, MSW's NPI number?

Mara San Nicolas, MSW's National Provider Identifier (NPI) is 1639674633, issued on Mar 29, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Mara San Nicolas, MSW located?

The NPPES record lists a practice address at 400 Route 8 Ste 303, Maite, GU, 96910. Phone: (671) 475-0061. Providers update this record themselves, so call before visiting.

How can I verify Mara San Nicolas, MSW'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), 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.