Patrick T. Mailloux, DO
Critical Care Medicine (Internal Medicine) Physician · South Portland, ME
Patrick T. Mailloux, DO is a critical care medicine (internal medicine) physician with a practice address in South Portland, Maine, and NPI 1689697708, issued on Jul 26, 2006. Check the license (Maine DO2770, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- Patrick T. Mailloux
- Credential
- DO
- Primary taxonomy
- Critical Care Medicine (Internal Medicine) Physician 207RC0200X
- License number
- DO2770 ME
Self-reported in NPPES; status is on the state search - Practice location
- 100 Foden RD Ste 103, South Portland, ME 04106
- Phone
- (207) 828-1122
- Enumerated
- Jul 26, 2006
- Record last updated
- Mar 24, 2026
- Fax
- (207) 828-0188
- Medicare enrollment
- Enrolled (PECOS I20180522002541); accepts Medicare assignment
- Medical or professional school
- New York College Of Osteo Medicine Of New York Institute Of Technology, 1999
- Entity
- Type 1 · individual
8 nearest critical care medicine (internal medicine) physician records → All 24 in Maine → Look up another NPI →
Also registered at 100 Foden RD Ste 103
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Adam Alter, MDPulmonary Disease Physician1437478138
- Daniel Bulanowski, M.D.Pulmonary Disease Physician1508246620
- Jonathan Evans, M.D.Pulmonary Disease Physician1568460640
- Colman Hatton, MDCritical Care Medicine (Internal Medicine) Physician1194178616
- Joshua Hughes, PA-CPhysician Assistant1780463208
- Michael JaegerPulmonary Disease Physician1194189753
Verify Patrick T. Mailloux in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license DO2770Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The MIPS final score for 2023 (Medicare payment program): 98.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Chest Medicine Associates PASouth Portland, ME
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Patrick T. Mailloux among 24 critical care medicine (internal medicine) physician records in Maine
Patrick T. Mailloux, DO is one of 24 critical care medicine (internal medicine) physician records with a practice address in Maine. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 0% of them.
- NPI issued2006 · 0% of these records are older, 67% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 79% of these records are
- Graduated1999 · median 2012 among the 19 with a school on file
- Record last updated2026 · 38% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0200X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Critical Care Medicine (Internal Medicine) Physician providers in Maine
There are 24 critical care medicine (internal medicine) physician records in Maine.
All 24 in Maine → Every provider in South Portland → Critical Care Medicine (Internal Medicine) Physician nationwide →
The 8 critical care medicine (internal medicine) physician records with the nearest ZIP codes
- Colman Hatton, MDSouth Portland, ME 041061194178616
- Patricia Lerwick, MDSo Portland, ME 041061912000159
- Heidi Roche, MDSouth Portland, ME 041061518594563
- Richard Beasley, DOPortland, ME 041031811023625
- Sandra Bagwell, MDPortland, ME 041021659586048
- Matthew Cravens, MDPortland, ME 041021942761036
- Jessica D'Amico, DOPortland, ME 041021285999292
- Karyll Gonzalez, M.D.Portland, ME 041021548553795
Common questions
What is Patrick T. Mailloux, DO's NPI number?
Patrick T. Mailloux, DO's National Provider Identifier (NPI) is 1689697708, issued on Jul 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Patrick T. Mailloux, DO located?
The NPPES record lists a practice address at 100 Foden RD Ste 103, South Portland, ME, 04106. Phone: (207) 828-1122. Providers update this record themselves, so call before visiting.
How can I verify Patrick T. Mailloux, DO's license?
NPPES lists Maine license number DO2770, as entered by the provider. Search the Maine Board of Licensure in Medicine at https://www.maine.gov/md/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is Patrick T. Mailloux, DO's MIPS final score?
The 2023 MIPS final score is 98.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.