Gilbert M Lopez, MD

Primary specialty

Anesthesiology PhysicianTaxonomy code 207L00000X

License

M-1399 Issued in GU

Practice address

850 Governor Carlos Camacho Road
Oka Tamuning, GU 96913-3128

Phone

(671) 647-2418

Fax

(671) 649-5508

NPI assigned

Dec 27, 2006

Last updated

Jun 12, 2025By the provider in NPPES

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in GU

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Anesthesiology

Education

Other, 1991

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Guam Healthcare Development IncorporatedGroup PAC ID 9234351776, 211 clinicians

Guam X-RayGroup PAC ID 8123180742, 33 clinicians

Guam Memorial HospitalGroup PAC ID 5890781694, 132 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Guam Memorial Hospital Authority Hospital, Tamuning, GU, CCN 650001
• Guam Regional Medical City Hospital, Dededo, GU, CCN 650003

Merit-based Incentive Payment System (MIPS)

Final score

88.81 of 100Reported as group

Quality

83.57

Improvement activities

40

Cost

76.16

Merit-based Incentive Payment System (MIPS)

Final score

65.1 of 100Reported as group

Quality

100

Promoting interoperability

0

Improvement activities

30

Cost

79.51

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Guam Healthcare Development Incorporated

  dba GRMC Specialty Care Center

  • Clinic/Center
  • Dededo, GU
  • NPI 1326447939
  Medicare reassignment Care Compare group NPD
• Guam Memorial Hospital

  • General Acute Care Hospital
  • Oka Tamuning, GU
  • NPI 1366519027
  Medicare reassignment Care Compare group NPD
• Guam X-Ray

  dba Guam Radiology Consultants

  • Vascular & Interventional Radiology Physician
  • Tamuning, GU
  • NPI 1376767426
  Medicare reassignment Care Compare group NPD
• Ac Micro Guam LLC

  • Anesthesiology Physician
  • Tamuning, GU
  • NPI 1699768093
  Medicare reassignment NPD
• Guam Memorial Hospital

  • Skilled Nursing Facility
  • Oka Tamuning, GU
  • NPI 1952479131
  NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Guam Healthcare Development Incorporated

  dba Guam Regional Medical City

  • General Acute Care Hospital
  • Dededo, GU
  • NPI 1194159525
  Care Compare affiliation
• Guam Memorial Hospital

  • General Acute Care Hospital
  • Oka Tamuning, GU
  • NPI 1366519027
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1167177600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1749686400000",
    "number": "1265597579",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "850 GOVERNOR CARLOS CAMACHO ROAD",
            "city": "OKA TAMUNING",
            "state": "GU",
            "postal_code": "969133128",
            "telephone_number": "671-647-2418",
            "fax_number": "671-649-5508"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "850 GOVERNOR CARLOS CAMACHO ROAD",
            "city": "OKA TAMUNING",
            "state": "GU",
            "postal_code": "969133128",
            "telephone_number": "671-647-2418",
            "fax_number": "671-649-5508"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LOPEZ",
        "first_name": "GILBERT",
        "middle_name": "M",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-12-27",
        "last_updated": "2025-06-12",
        "certification_date": "2025-06-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "GU",
            "license": "M-1399",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "PIN",
            "identifier": "56543",
            "state": null
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Guam Memorial Hospital
• Aaron C Johansen, MD
• Robert J Kwok, MD
• James P Last, MD
• Arthur J Loerzel, MD FCAP
• Goldelina L Marfori, MD
• James W Murphy, MD FACEP
• Rengaraju Ramasamy, MD
• Jonathan Sidell, MD
• John Y Young, MD

• Anesthesiology Physician in Oka Tamuning, GU
• Providers in Oka Tamuning, GU by specialty
• Anesthesiology Physician in Guam

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 12, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.