Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Family Practice

Raymattie Singh, MD

Works at hospitals in Tamuning, GU · Dededo, GU · Guam

Summary

Raymattie Singh, MD (Family Practice) is listed by Medicare at 2 hospitals in Tamuning, GU and Dededo, GU. NPI 1235231069. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Raymattie Singh, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Family PracticePrimary specialty
YesAccepts Medicare assignment
32Years since medical school (graduated 1994)
FemaleGender (as listed)
Guam Healthcare Development IncorporatedGroup practice (+2 more)

Quick answers

Which hospitals does Raymattie Singh work at?
Medicare's official clinician data lists Raymattie Singh at 2 hospitals: Guam Memorial Hospital Authority and Guam Regional Medical City. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Raymattie Singh see patients?
Medicare's clinician data lists 3 practice locations, including Dededo, GU, Sinajana, GU and Tamuning, GU. Call before your visit to confirm the address.
What is Raymattie Singh's specialty?
Medicare lists Family Practice as the primary specialty.
Does Raymattie Singh accept Medicare assignment?
Yes. Medicare's clinician data says Raymattie Singh accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Raymattie Singh?
(671) 645-5500, as listed in official Medicare / NPI Registry data.
What is Raymattie Singh's NPI number?
1235231069. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Raymattie Singh works

Medicare's Facility Affiliation Data lists Raymattie Singh at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Raymattie Singh is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Raymattie Singh as a member of these groups (CMS data updated 2026-10-02).

  • Guam Healthcare Development Incorporated207 clinicians in the group
  • Guam Memorial Hospital131 clinicians in the group
  • Pacific Med and Nephrology15 clinicians in the group

Specialties

Find other Family Practice doctors in Guam →

Other family doctors in Dededo

Clinicians with the same Medicare primary specialty in Dededo, GU — not a recommendation.

All family doctors in Dededo →

Clinician information

CredentialMD
Graduation year1994
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1235231069
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians