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THOMAS AUBUCHON MD
NPI 1821552373
Emergency Medicine in Fpo, AP

Active since January 29, 2019PECOS EnrolledAccepts Medicare Assignment
NMRTC OKINAWA, PSC 482, FPO, AP 96362(098) 971-9355 Get Directions Write a Review

NPPES record last updated: January 20, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jan 20, 2026, Nov 20, 2024, Jan 29, 2019 (3 updates tracked since 2019).

About Thomas Aubuchon Md NPPES

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

THOMAS AUBUCHON MD (NPI 1821552373) is an individual emergency medicine provider in Fpo, AP, licensed in Virginia (0101270156) and active in the NPI registry since January 2019. He is enrolled in Medicare PECOS, is affiliated with Guam Regional Medical City, and is a graduate of Other (2019).

NPPES Registry Identity

NPI1821552373
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameTHOMAS AUBUCHONCredential: MD
Location AddressNMRTC OKINAWA, PSC 482Fpo, AP 96362
Mailing AddressPsc 80 Box 15383Apo, AP 96367-0056 · (760) 415-5379
Phone(098) 971-9355
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateJanuary 29, 2019
Last NPPES UpdateJanuary 20, 20263 updates tracked since enumeration
NPPES CertifiedJanuary 20, 2026
✔ NPI 1821552373 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses✔ Licensed in VA · 0101270156✔ Licensed in GU · M-2452✔ Licensed in CA · A204533
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Thomas Aubuchon Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8325574908
PECOS Enrollment IDI20241205002687
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

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

Cep America - California
Emergency Medicine
654 CAMINO DE LOS MARES
San Clemente, CA 92673
  • Reassigned Medicare billing, California enrollment
  • 1,204 clinicians in this Medicare group
NPI 1033281993 (949) 496-1122
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

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

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Guam Regional Medical City

Acute Care Hospitals · Dededo, GU
OwnershipVoluntary non-profit - Private
CMS Certification Number650003
Location133 Route 3Dededo, GU 96929 · Guam County
Emergency services

Other Providers at the Same Location NPPES 10

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

SIMONE CIDNEE-ALLISON PHILLIPS LCSW
Social Worker (Clinical)
NMRTC OKINAWA, PSC 482
FPO, AP 96362
(484) 895-5915
DANIEL NORTHINGTON PHD
Psychologist (Clinical)
NMRTC OKINAWA, PSC 482
FPO, AP 96362
(805) 235-3425
JENNIFER UNDERHILL MD
Surgery
NMRTC OKINAWA, DEPARTMENT OF GENERAL SURGERY
CAMP FOSTER, OKINAWA 96362
(098) 971-7148
VICTOR GUTIERREZ M.D.
Emergency Medicine
NMRTC OKINAWA
FPO, AP 96362
(315) 646-7791
DR. KYLE DOUGLAS CHECCHI MD
Surgery
NMRTC OKINAWA, DEPARTMENT OF GENERAL SURGERY
CAMP FOSTER, OKINAWA 96362
(315) 646-7148
EVANGELINA SALCEDO DIN DO
General Practice
NMRTC OKINAWA, PSC 482
FPO, AP 96362
(909) 380-3829
AUTUMN MINSUN JUN DDS
Dentist (General Practice)
NMRTC OKINAWA, PSC 482
FPO, AP 96362
(098) 971-9355
DINH DUC NGO DO
Family Medicine
NMRTC OKINAWA, PSC 482
FPO, AP 96362
(734) 353-0302

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 Thomas Aubuchon's NPI number?

The NPI number for Thomas Aubuchon is 1821552373. It was assigned to this individual provider in the NPPES registry on January 29, 2019.

Where is Thomas Aubuchon located?

Thomas Aubuchon practices at Nmrtc Okinawa Psc 482, Fpo, AP 96362. The listed phone number is (098) 971-9355.

What is Thomas Aubuchon's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Thomas Aubuchon enrolled in Medicare?

Yes. Thomas Aubuchon is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Thomas Aubuchon's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Aubuchon reassigns Medicare benefits to 2 organizations: Cep America - California (San Clemente, CA) and Guam Healthcare Development Incorporated (Dededo, 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 Thomas Aubuchon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Thomas Aubuchon affiliated with any hospitals?

According to CMS data, Thomas Aubuchon is affiliated with Guam Regional Medical City.

When was this NPI record last updated?

The NPPES record for Thomas Aubuchon was last updated on January 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.