DR. PATRICK T MAILLOUX DO
NPI 1689697708
Internal Medicine - Critical Care Medicine in South Portland, ME

Active since July 26, 2006PECOS EnrolledAccepts Medicare Assignment
98.06/100
CMS Quality Rating
100 FODEN RD STE 103, SOUTH PORTLAND, ME 04106(207) 828-1122(207) 828-0188 Get Directions Write a Review

NPPES record last updated: March 24, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Patrick T Mailloux Do NPPES

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

DR. PATRICK T MAILLOUX DO (NPI 1689697708) is an individual critical care medicine provider in South Portland, Maine, licensed in Maine (DO2770) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Maine Medical Center, and maintains a secondary practice location in Springfield.

NPPES Registry Identity

NPI1689697708
Entity TypeIndividualMale
Primary Taxonomy207RC0200X
Provider Legal NameDR. PATRICK T MAILLOUXCredential: DO
Location Address100 FODEN RD STE 103South Portland, ME 04106-2327
Mailing Address100 Foden Rd Ste 103South Portland, ME 04106-2327 · (207) 828-1122 · Fax (207) 828-0188
Fax(207) 828-0188
Sole ProprietorNo
Medical School CMSNew York College Of Osteo Medicine Of New York Institute Of TechnologyGraduated 1999
Enumeration DateJuly 26, 2006
Last NPPES UpdateMarch 24, 2026
NPPES CertifiedMarch 24, 2026
NPI 1689697708 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RC0200X
License Licensed in ME · DO2770
Definition
An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.
100 FODEN RD STE 103, South Portland, ME 04106

Secondary Practice Location 1

Location 1759 Chestnut Street, S2668Springfield, MA 01199-1001 · Phone (413) 794-5439 · Fax (413) 794-5389

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Patrick T Mailloux Do 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 ID6507853611
PECOS Enrollment IDI20180522002541
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.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
168 services96 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
108 services61 patients
Insertion of non-tunneled central venous tube for infusion (5 years or older) 36556
This procedure involves placing a thin tube into a large vein, usually in the neck or chest, to administer medication or fluids. It's done under local anesthesia to minimize discomfort. It's a standard, safe procedure for individuals aged 5 and above.
12 services11 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
12 services12 patients

Hospital Affiliations CMS Care Compare

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

Maine Medical Center

Acute Care Hospitals · Portland, ME
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number200009
Location22 Bramhall StPortland, ME 04102 · Cumberland County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 04106 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
$128.83 typical visit price
range $56.28 – $169.96
Typical copayment $32.20 (range $14.07 – $42.49)
Most-billed visit code 99204
Established Patient
$99.18 typical visit price
range $18.22 – $138.92
Typical copayment $24.79 (range $4.55 – $34.73)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

98.06/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality86.13
Promoting Interoperability100
Improvement Activities40

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.

Pediatrics (Pediatric Pulmonology)
100 FODEN RD STE 103
SOUTH PORTLAND, ME 04106
Internal Medicine (Pulmonary Disease)
100 FODEN RD STE 103
SOUTH PORTLAND, ME 04106
Internal Medicine (Pulmonary Disease)
100 FODEN RD STE 103
SOUTH PORTLAND, ME 04106
Internal Medicine (Critical Care Medicine)
100 FODEN RD STE 103
SOUTH PORTLAND, ME 04106
Internal Medicine (Pulmonary Disease)
100 FODEN RD STE 103
SOUTH PORTLAND, ME 04106
Internal Medicine (Pulmonary Disease)
100 FODEN RD STE 103
SOUTH PORTLAND, ME 04106
Nurse Practitioner (Adult Health)
100 FODEN RD STE 103
SOUTH PORTLAND, ME 04106
Internal Medicine (Pulmonary Disease)
100 FODEN RD STE 103
SOUTH PORTLAND, ME 04106

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 Patrick Mailloux's NPI number?

The NPI number for Patrick Mailloux is 1689697708. It was assigned to this individual provider in the NPPES registry on July 26, 2006.

Where is Patrick Mailloux located?

Patrick Mailloux practices at 100 Foden Rd Ste 103, South Portland, ME 04106. The listed phone number is (207) 828-1122.

What is Patrick Mailloux's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.

Is Patrick Mailloux enrolled in Medicare?

Yes. Patrick Mailloux 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.

Is Patrick Mailloux affiliated with any hospitals?

According to CMS data, Patrick Mailloux is affiliated with Maine Medical Center.

When was this NPI record last updated?

The NPPES record for Patrick Mailloux was last updated on March 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.