Registry data as of Aug 27, 2026

Arthur Mariano, R.PH.

Pharmacist · Tamuning, GU

Arthur Mariano, R.PH. is a pharmacist with a practice address in Tamuning, Guam, and NPI 1457673667, issued on Feb 16, 2010. 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
1457673667
Name
Arthur Mariano
Credential
R.PH.
Primary taxonomy
Pharmacist 183500000X
Practice location
255 Farenholt Ave, Tamuning, GU 96913
Phone
(671) 646-5355
Enumerated
Feb 16, 2010
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 255 Farenholt Ave

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

  1. Gabriella Duenas, PHARMDPharmacist1760225676

Verify Arthur Mariano 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.

33 pharmacist records list a Tamuning practice address

They are 33 of the 411 NPPES records with a Tamuning practice address, and 67 pharmacist records in Guam. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other pharmacist records in Guam

  1. June Aggabao, RPHUpper Tumon, GU1073001293
  2. Trang Bui, PHARMDDededo, GU1760123004
  3. Mary Jean Cabildo, PHARMACISTTamuning, GU1558873265
  4. Marvir Caliguia, RPHSinajana, GU1194237578
  5. Leonila Carbon, PHARMACISTDededo, GU1235772369
  6. Thomas Caruso, R.PH.Tamuning, GU1154514412
  7. Min ChoiDededo, GU1376194423
  8. Brett ChristyYigo, GU1093099608
  9. Gil Arthur ClavejoDededo, GU1366184608
  10. Niel Carlo Concepcion, PHARMDDededo, GU1376383364

Common questions

What is Arthur Mariano, R.PH.'s NPI number?

Arthur Mariano, R.PH.'s National Provider Identifier (NPI) is 1457673667, issued on Feb 16, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Arthur Mariano, R.PH. located?

The NPPES record lists a practice address at 255 Farenholt Ave, Tamuning, GU, 96913. Phone: (671) 646-5355. Providers update this record themselves, so call before visiting.

How can I verify Arthur Mariano, R.PH.'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.