Guam Memorial Hospital
NPI 1366519027 · General Acute Care Hospital · Oka Tamuning, GU
Enrolled with Medicare as Part a Provider - Hospital · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Guam Memorial Hospital is a General Acute Care Hospital organization in Oka Tamuning, GU (NPI 1366519027).
Provider details
- NPI number
- 1366519027
- Entity type
- Organization
- Primary specialty
- General Acute Care HospitalHospitals
- Organization subpart
- No
- Authorized official
- Lillian Perez Posadas, Hospital Administrator, Ceo(671) 647-2104
- License
- 650001 (GU)
Specialties & taxonomies
Hospitals
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-29
- Last updated
- 2020-10-20
- Certified
- 2020-10-20
Frequently asked questions
- What is Guam Memorial Hospital's NPI number?
- Guam Memorial Hospital's National Provider Identifier (NPI) is 1366519027, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Guam Memorial Hospital?
- Guam Memorial Hospital is classified in the NPPES registry as General Acute Care Hospital (Hospitals).
- Where is Guam Memorial Hospital located?
- Guam Memorial Hospital's practice location on file with NPPES is 850 Governor Carlos Camacho Road, Oka Tamuning, GU 96913-3128.
- What is Guam Memorial Hospital's phone number?
- The practice phone number listed in the NPPES registry for Guam Memorial Hospital is (671) 647-2937.
- Does Guam Memorial Hospital accept Medicare?
- Guam Memorial Hospital is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Guam Memorial Hospital?
- The authorized official listed on Guam Memorial Hospital's NPPES record is Lillian Perez Posadas, Hospital Administrator, Ceo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Guam Memorial Hospital's NPI active?
- Yes — Guam Memorial Hospital's NPI (1366519027) is active in the NPPES registry as of the last update on 2020-10-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.