Registry data as of Aug 27, 2026

Gilbert Lopez, MD

Anesthesiology Physician · Oka Tamuning, GU

Gilbert Lopez, MD is an anesthesiology physician with a practice address in Oka Tamuning, Guam, and NPI 1265597579, issued on Dec 27, 2006. Check the license (Guam M-1399, as entered in NPPES) with the Guam board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1265597579
Name
Gilbert Lopez
Credential
MD
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
M-1399 GU
Self-reported in NPPES; status is on the state search
Practice location
850 Governor Carlos Camacho Road, Oka Tamuning, GU 96913
Phone
(671) 647-2418
Enumerated
Dec 27, 2006
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 850 Governor Carlos Camacho Road

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

  1. Alix Chenet, MDInternal Medicine Physician1669530507
  2. John Garrido, MDPediatrics Physician1720135429
  3. Tedd Groshong, DOEmergency Medical Services (Emergency Medicine) Physician1831246065
  4. Aaron Johansen, MDEmergency Medicine Physician1639226863
  5. Robert Kwok, MDDiagnostic Radiology Physician1710043609
  6. James Last, MDEmergency Medicine Physician1760539472

Verify Gilbert Lopez in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Guam board licenses this profession
    Search for license M-1399
    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
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.

The practice group's Medicare quality score for 2023: 64.8 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score100.0
  2. Costout of 100 · 30%78.6
  3. Promoting interoperabilityout of 100 · 25%0.0
  4. Improvement activities30 of 40 points · 15%75.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

3 hospital and facility affiliations

  1. Guam Healthcare Development IncorporatedDededo, GU
  2. Guam Memorial HospitalTamuning, GU
  3. Guam X-RayTamuning, GU

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

2 anesthesiology physician records list a Oka Tamuning practice address

They are 2 of the 13 NPPES records with a Oka Tamuning practice address, and 6 anesthesiology physician records in Guam.

Other anesthesiology physician records in Guam

  1. Russel Aubin, D.O.Tamuning, GU1255690517
  2. Reynald Lim, M.D.Tamuning, GU1679549869
  3. Virgilio Lopez, M.D.Dededo, GU1255438347
  4. Michelle Lu, DOAgana Heights, GU1124587316
  5. Goldelina Marfori, MDOka Tamuning, GU1437206133

Common questions

What is Gilbert Lopez, MD's NPI number?

Gilbert Lopez, MD's National Provider Identifier (NPI) is 1265597579, issued on Dec 27, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Gilbert Lopez, MD located?

The NPPES record lists a practice address at 850 Governor Carlos Camacho Road, Oka Tamuning, GU, 96913. Phone: (671) 647-2418. Providers update this record themselves, so call before visiting.

How can I verify Gilbert Lopez, MD's license?

NPPES lists Guam license number M-1399, as entered by the provider. Search the Guam board that licenses this profession; the NPPES record confirms identity only.

What is Gilbert Lopez, MD's Medicare quality score?

The 2023 MIPS final score is 64.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

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.