AMERICAN MEDICAL CENTER, LLC
NPI 1457329849
Clinic/Center - Urgent Care in Upper Tumon, GU
About American Medical Center, Llc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
AMERICAN MEDICAL CENTER, LLC (NPI 1457329849) is a healthcare organization registered as an urgent care in Upper Tumon, Guam and active in the NPI registry since March 2006. The organization holds 2 active CLIA laboratory certificates and lists Hoa Van Nguyen, Medical Director, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 3
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
American Medical Center, Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
31Medicare enrollment records show 31 clinicians reassign Medicare billing to American Medical Center, LLC, which bills Medicare for the services they deliver. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 8
Nearest to this location (20)
See all 31Upper Tumon, GU 96913
Tamuning, GU 96913
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
CLIA Laboratory Certificates CMS CLIA 2
Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.
Certificate of Waiver 65D1048541
American Medical Center · Tamuning, GUCertificate of Waiver 65D2102738
American Medical Center, LLC · Mangilao, GUFrequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is American Medical Center, LLC's NPI number?
The NPI number for American Medical Center, LLC is 1457329849. It was assigned to this organization in the NPPES registry on March 10, 2006.
Where is American Medical Center, LLC located?
American Medical Center, LLC is located at 1244 North Marine Corps Drive, Upper Tumon, GU 96913. The listed phone number is (671) 647-8262.
What is American Medical Center, LLC's specialty?
The primary specialty registered for this NPI is Clinic/Center, specializing in Urgent Care, with taxonomy code 261QU0200X.
Is American Medical Center, LLC enrolled in Medicare?
Yes. American Medical Center, LLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through American Medical Center, LLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 31 clinicians in 8 Medicare specialties reassign their Medicare billing to American Medical Center, LLC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Family Practice (16), Nurse Practitioner (6) and Internal Medicine (4). Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does American Medical Center, LLC hold CLIA laboratory certificates?
Yes. 2 active CLIA laboratory certificates are associated with this NPI under the federal Clinical Laboratory Improvement Amendments program. The certificates are listed in the CLIA Laboratory Certificates section above.
When was this NPI record last updated?
The NPPES record for American Medical Center, LLC was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# American Medical Center, Llc · NPI 1457329849
Urgent Care organization in Upper Tumon, GU. Organization record, active in the CMS NPPES registry since March 10, 2006.
## Identity
- **NPI:** 1457329849 (Entity type: Organization)
- **Enumerated:** March 10, 2006
- **Primary specialty:** Clinic/Center - Urgent Care · taxonomy 261QU0200X
- **Organization subpart:** No
- **Authorized official:** Hoa Nguyen, MEDICAL DIRECTOR
## Practice location
- **Address:** 1244 NORTH MARINE CORPS DRIVE, Upper Tumon, GU 96913-4307
- **Phone:** (671) 647-8262 · **Fax:** (671) 647-8257
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 31 clinicians in 8 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Family Practice (16), Nurse Practitioner (6), Internal Medicine (4); [full list](https://npiprofile.com/npi/1457329849/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 11, 2025
- **CLIA laboratory certificates:** 2 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1457329849) · Data from the CMS NPPES public registry.