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MRS. SIBYL DGG CRISOSTOMO MS
NPI 1447588116
Speech-Language Pathologist in Toto, GU

Active since November 18, 2009
770 TOTO CANADA ROAD, TOTO, GU 96931(671) 477-7773(671) 477-7773 Get Directions Write a Review

NPPES record last updated: March 27, 2014. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mrs. Sibyl Dgg Crisostomo Ms NPPES

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

MRS. SIBYL DGG CRISOSTOMO MS (NPI 1447588116) is an individual speech-language pathologist provider in Toto, Guam, licensed in Guam (SLP002) and active in the NPI registry since November 2009.

NPPES Registry Identity

NPI1447588116
Entity TypeIndividualFemale
Primary Taxonomy235Z00000X
Provider Legal NameMRS. SIBYL DGG CRISOSTOMOCredential: MS
Location Address770 TOTO CANADA ROADToto, GU 96931
Mailing Address770 Canada Toto RdBarrigada, GU 96913-1703 · (671) 477-7773 · Fax (671) 477-7771
Phone(671) 477-7773
Fax(671) 477-7773
Sole ProprietorYes
Enumeration DateNovember 18, 2009
Last NPPES UpdateMarch 27, 2014
✔ NPI 1447588116 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpeech-Language PathologistSpeech, Language and Hearing Service Providers
Taxonomy Code235Z00000X
License✔ Licensed in GU · SLP002
Definition
The speech-language pathologist is the professional who engages in clinical services, prevention, advocacy, education, administration, and research in the areas of communication and swallowing across the life span from infancy through geriatrics. Speech-language pathologists address typical and atypical impairments and disorders related to communication and swallowing in the areas of speech sound production, resonance, voice, fluency, language (comprehension and expression), cognition, and feeding and swallowing.

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mrs. Sibyl Dgg Crisostomo Ms is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignments

2

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

Guam Healthcare Development Incorporated
Clinic/Center
133 ROUTE 3
Dededo, GU 96929
  • Reassigned Medicare billing, Guam enrollment
  • 432 clinicians in this Medicare group
NPI 1326447939 (671) 645-5500
Hafa Specialist Group LLP
Specialist
280 PALE SAN VITORES RD
Tamuning, GU 96913
  • Reassigned Medicare billing, Guam enrollment
  • 20 clinicians in this Medicare group
NPI 1235141060 (671) 647-4542

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 Sibyl Crisostomo's NPI number?

The NPI number for Sibyl Crisostomo is 1447588116. It was assigned to this individual provider in the NPPES registry on November 18, 2009.

Where is Sibyl Crisostomo located?

Sibyl Crisostomo practices at 770 Toto Canada Road, Toto, GU 96931. The listed phone number is (671) 477-7773.

What is Sibyl Crisostomo's specialty?

The primary specialty registered for this NPI is Speech-Language Pathologist with taxonomy code 235Z00000X.

Is Sibyl Crisostomo enrolled in Medicare?

Yes. Sibyl Crisostomo is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Sibyl Crisostomo's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sibyl Crisostomo reassigns Medicare benefits to 2 organizations: Guam Healthcare Development Incorporated (Dededo, GU) and Hafa Specialist Group LLP (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 Sibyl Crisostomo'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 Sibyl Crisostomo was last updated on March 27, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.