1. Home
  2. Directory
  3. NPI Profile

MS. CANDY SIM
NPI 1265678783
Dietitian, Registered in Tamuning, GU

Active since January 06, 2009
388 YPAO RD, TAMUNING, GU 96913(671) 646-8881(671) 648-2547 Get Directions Write a Review

NPPES record last updated: April 25, 2023. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Ms. Candy Sim NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MS. CANDY SIM (NPI 1265678783) is an individual dietitian, registered in Tamuning, Guam, licensed in Guam (D-14) and active in the NPI registry since January 2009.

NPPES Registry Identity

NPI1265678783
Entity TypeIndividualFemale
Primary Taxonomy133V00000X
Provider Legal NameMS. CANDY SIM
Location Address388 YPAO RDTamuning, GU 96913-3701
Mailing Address388 Ypao RdTamuning, GU 96913-3701 · (671) 646-8881 · Fax (671) 648-2547
Phone(671) 646-8881
Fax(671) 648-2547
Sole ProprietorNo
Enumeration DateJanuary 6, 2009
Last NPPES UpdateApril 25, 2023
NPPES CertifiedSeptember 29, 2022
✔ NPI 1265678783 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyDietitian, RegisteredDietary & Nutritional Service Providers
Taxonomy Code133V00000X
License✔ Licensed in GU · D-14
Definition
A Registered Dietitian (RD)/Registered Dietitian Nutritionist (RDN) is an individual uniquely trained in the science of nutrition and practice of dietetics to design and provide medical nutrition therapy (MNT) and other evidence-based applications of the Nutrition Care Process (NCP) that exemplify the profession's systematic approach to providing high quality nutrition care. Registered dietitians provide MNT for the purpose of disease prevention or management, or to treat or rehabilitate an illness, injury, or condition, with the use of specific, indicated physical and cognitive nutrition care services comprised of one or more of the following aspects of the NCP: nutrition assessment/reassessment, nutrition diagnosis, nutrition intervention (e.g., nutrition counseling, therapeutic diet ordering, and nutrition education) and nutrition monitoring and evaluation.
Also ListedNutritionistTaxonomy 133N00000X · License NUT04 (GU)

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ms. Candy Sim is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignments

2

Medicare enrollment records show Candy Sim reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

General Conference Corp Of Sda
Clinic/Center
388 YPAO RD
Tamuning, GU 96913
  • Reassigned Medicare billing, Guam enrollment
  • 105 clinicians in this Medicare group
NPI 1275586877 (671) 646-8881
Guam Seventh-Day Adventist Clinic Inc.
General Practice
388 YPAO RD
Tamuning, GU 96913
  • Reassigned Medicare billing, Guam enrollment
  • 33 clinicians in this Medicare group
NPI 1003762089 (671) 646-8881

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

GUAM SEVENTH-DAY ADVENTIST CLINIC INC.
General Practice
388 YPAO RD
TAMUNING, GU 96913
Guam (671) 646-8881
DIANE M HIATT FNP
Nurse Practitioner (Family)
388 YPAO RD
TAMUNING, GU 96913
Guam (671) 646-8881
RACHEL IVY GRACE MAGISTRE-LEGEND PA-C
Physician Assistant
388 YPAO RD
TAMUNING, GU 96913
Guam (671) 646-8881
PACIFIC RADIOLOGY INC A PROFESSIONAL CORPORATION
Radiology (Diagnostic Radiology)
388 YPAO RD, SDA RADIOLOGY DEPARTMENT
TAMUNING, GU 96913
Guam (671) 646-8881
DR. JONATHAN VISSCHER D.D.S.
Dentist (General Practice)
388 YPAO RD
TAMUNING, GU 96913
Guam (671) 646-8881
ALISON CHONG FNP
Nurse Practitioner (Family)
388 YPAO RD
TAMUNING, GU 96913
Guam (671) 646-8881
NILMINI PANG MD
Family Medicine
388 YPAO RD
TAMUNING, GU 96913
Guam (671) 646-8881
ALLISON THORP FNP
Nurse Practitioner (Family)
388 YPAO RD
TAMUNING, GU 96913
Guam (671) 646-8881

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 Candy Sim's NPI number?

The NPI number for Candy Sim is 1265678783. It was assigned to this individual provider in the NPPES registry on January 6, 2009.

Where is Candy Sim located?

Candy Sim practices at 388 Ypao Rd, Tamuning, GU 96913. The listed phone number is (671) 646-8881.

What is Candy Sim's specialty?

The primary specialty registered for this NPI is Dietitian, Registered with taxonomy code 133V00000X.

Is Candy Sim enrolled in Medicare?

Yes. Candy Sim is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Candy Sim's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Candy Sim reassigns Medicare benefits to 2 organizations: General Conference Corp Of Sda (Tamuning, GU) and Guam Seventh-Day Adventist Clinic Inc. (Tamuning, GU). Each 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 Candy Sim's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Candy Sim was last updated on April 25, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.