GRMC SPECIALTY CARE CENTER
NPI 1326447939
Clinic/Center in Dededo, GU
About Grmc Specialty Care Center NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GRMC SPECIALTY CARE CENTER (NPI 1326447939) is a healthcare organization registered as a clinic/center in Dededo, Guam and active in the NPI registry since August 2014. The organization lists Alexander D. Wielaard, Chief Executive Officer, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Grmc Specialty Care Center is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
431Medicare enrollment records show 431 clinicians reassign Medicare billing to Grmc Specialty Care Center, which bills Medicare for the services they deliver. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 37
Nearest to this location (20)
See all 431Dededo, GU 96929
Agana Heights, GU 96910
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Frequently 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 Guam Healthcare Development Incorporated's NPI number?
The NPI number for Guam Healthcare Development Incorporated is 1326447939. It was assigned to this organization in the NPPES registry on August 19, 2014. The provider is doing business as Grmc Specialty Care Center.
Where is Guam Healthcare Development Incorporated located?
Guam Healthcare Development Incorporated is located at 133 Route 3, Dededo, GU 96929. The listed phone number is (671) 645-5500.
What is Guam Healthcare Development Incorporated's specialty?
The primary specialty registered for this NPI is Clinic/Center with taxonomy code 261Q00000X.
Is Guam Healthcare Development Incorporated enrolled in Medicare?
Yes. Guam Healthcare Development Incorporated is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Guam Healthcare Development Incorporated?
According to the CMS Revalidation Reassignment List (October 2026 release), 431 clinicians in 37 Medicare specialties reassign their Medicare billing to Guam Healthcare Development Incorporated. 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 Diagnostic Radiology (86), Emergency Medicine (80) and Internal Medicine (60). Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Guam Healthcare Development Incorporated was last updated on October 27, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.
# Grmc Specialty Care Center · NPI 1326447939
Clinic/Center organization in Dededo, GU. Organization record, active in the CMS NPPES registry since August 19, 2014.
## Identity
- **NPI:** 1326447939 (Entity type: Organization)
- **Enumerated:** August 19, 2014
- **Primary specialty:** Clinic/Center · taxonomy 261Q00000X
- **Legal business name:** Guam Healthcare Development Incorporated
- **Organization subpart:** No
- **Authorized official:** Alexander Wielaard, CHIEF EXECUTIVE OFFICER
## Practice location
- **Address:** 133 ROUTE 3, Dededo, GU 96929-6911
- **Phone:** (671) 645-5500 · **Fax:** (671) 645-5549
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 431 clinicians in 37 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Diagnostic Radiology (86), Emergency Medicine (80), Internal Medicine (60); [full list](https://npiprofile.com/npi/1326447939/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 27, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1326447939) · Data from the CMS NPPES public registry.