DEREK ADRIAN ANDELLOUX MD
NPI 1013145275
Family Medicine in E Greenwich, RI

Active since June 26, 2009PECOS EnrolledAccepts Medicare Assignment
3461 S COUNTY TRL, E GREENWICH, RI 02818(401) 471-6760(401) 471-6765 Get Directions Write a Review

NPPES record last updated: December 20, 2013. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Derek Adrian Andelloux Md NPPES

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

DEREK ADRIAN ANDELLOUX MD (NPI 1013145275) is an individual family medicine provider in E Greenwich, Rhode Island, licensed in Rhode Island (LP01566) and active in the NPI registry since June 2009. He is enrolled in Medicare PECOS, is affiliated with Cape Cod Hospital, and is a graduate of Other (2009).

NPPES Registry Identity

NPI1013145275
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDEREK ADRIAN ANDELLOUXCredential: MD
Location Address3461 S COUNTY TRLE Greenwich, RI 02818-1465
Mailing Address3461 S County TrlE Greenwich, RI 02818-1465 · (401) 471-6760 · Fax (401) 471-6765
Fax(401) 471-6765
Sole ProprietorNo
Medical School CMSOtherGraduated 2009
Enumeration DateJune 26, 2009
Last NPPES UpdateDecember 20, 2013
✔ NPI 1013145275 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in RI · LP01566
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
3461 S COUNTY TRL, E Greenwich, RI 02818

Other Names 1

Former Name (1)Derek Adrian Mailloux

Other Identifiers 1

Medicare UPINRES-000RI

Accepted Insurance

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

Derek Adrian Andelloux 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 ID244488823
PECOS Enrollment IDI20180418001055
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 Derek Andelloux reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Rural
57 PROSPECT ST
Nantucket, MA 02554
  • Reassigned Medicare billing, Massachusetts enrollment
  • 206 clinicians in this Medicare group
Orthopaedic Surgery
57 PROSPECT ST, ROOM 101
Nantucket, MA 02554
  • Reassigned Medicare billing, Massachusetts enrollment
  • 172 clinicians in this Medicare group

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 4

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

Cape Cod Hospital

Acute Care Hospitals · Hyannis, MA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220012
Location27 Park StreetHyannis, MA 02601 · Barnstable County
Emergency services Birthing friendly

Massachusetts General Hospital

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220071
Location55 Fruit StreetBoston, MA 02114 · Suffolk County
Emergency services Birthing friendly

Brigham And Women's Hospital

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220110
Location75 Francis StreetBoston, MA 02115 · Suffolk County
Emergency services Birthing friendly

Nantucket Cottage Hospital

Acute Care Hospitals · Nantucket, MA
OwnershipVoluntary non-profit - Private
CMS Certification Number220177
Location57 Prospect StreetNantucket, MA 02554 · Nantucket County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02818 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$90.48 typical visit price
range $58.57 – $177.03
Typical copayment $22.62 (range $14.64 – $44.25)
Most-billed visit code 99203
Established Patient
$103.10 typical visit price
range $18.92 – $144.38
Typical copayment $25.77 (range $4.73 – $36.09)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 16

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

Physician Assistant (Surgical)
3461 S COUNTY TRL
EAST GREENWICH, RI 02818
Nurse Practitioner (Family)
3461 S COUNTY TRL, SUITE 202
EAST GREENWICH, RI 02818
Internal Medicine (Infectious Disease)
3461 S COUNTY TRL
EAST GREENWICH, RI 02818
Emergency Medicine
3461 S COUNTY TRL
EAST GREENWICH, RI 02818
Dermatology
3461 S COUNTY TRL, SUITE 202
EAST GREENWICH, RI 02818
Nurse Practitioner (Family)
3461 S COUNTY TRL
EAST GREENWICH, RI 02818
Dermatology
3461 S COUNTY TRL, SUITE 202
EAST GREENWICH, RI 02818
Physician Assistant
3461 S COUNTY TRL
EAST GREENWICH, RI 02818

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 Derek Andelloux's NPI number?

The NPI number for Derek Andelloux is 1013145275. It was assigned to this individual provider in the NPPES registry on June 26, 2009. The provider is also known as Derek Adrian Mailloux.

Where is Derek Andelloux located?

Derek Andelloux practices at 3461 S County Trl, E Greenwich, RI 02818. The listed phone number is (401) 471-6760.

What is Derek Andelloux's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Derek Andelloux enrolled in Medicare?

Yes. Derek Andelloux 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 Derek Andelloux's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Derek Andelloux reassigns Medicare benefits to 2 organizations: Nantucket Cottage Hospital (Nantucket, MA) and Nantucket Physicians Organization (Nantucket, MA). 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 Derek Andelloux's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Derek Andelloux accept?

Health plans from Taro Health list Derek Andelloux as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Derek Andelloux affiliated with any hospitals?

According to CMS data, Derek Andelloux is affiliated with Cape Cod Hospital, Massachusetts General Hospital, Brigham And Women's Hospital and Nantucket Cottage Hospital.

When was this NPI record last updated?

The NPPES record for Derek Andelloux was last updated on December 20, 2013. 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.