NPPES file of Aug 9, 2026

Louis Jordan Irwin, M.D.

Anesthesiology Physician · Bangor, ME

Louis Jordan Irwin, M.D. is an anesthesiology physician with a practice address in Bangor, Maine, and NPI 1346327749, issued on Nov 1, 2006. Check the license on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1346327749
Name
Louis Jordan Irwin
Credential
M.D.
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
0420008251 VT
Self-reported in NPPES; status is on the state search
Practice location
489 State St, Bangor, ME 04401
Phone
(207) 973-7000
Enumerated
Nov 1, 2006
Record last updated
Apr 1, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(207) 973-5042
Medicaid ID
0VN2424 VT
Medicare enrollment
Enrolled (PECOS I20231113002040); accepts Medicare assignment
Medical or professional school
Virginia Commonwealth University, School Of Medicine, 1982
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 489 State St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Moataz Mohamed Nazmy Abdelnaby, MDHospitalist Physician1124747712
  2. Haithm Abdelsalam, M.DAnesthesiology Physician1184030777
  3. Kelly Aguilar, M.D.Hospitalist Physician1376938639
  4. Jill Ahern, CRNACertified Registered Nurse Anesthetist1558469551
  5. Iftikhar Ahmad, MDDiagnostic Radiology Physician1396904280
  6. Mohanad Ahmed, MDHospitalist Physician1629797162

Verify Louis Jordan Irwin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaine Board of Licensure in MedicineCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Maine license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. The Commonwealth OF MassachusettsWorcester, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Louis Jordan Irwin among 280 anesthesiology physician records in Maine

Louis Jordan Irwin, M.D. is one of 280 anesthesiology physician records with a practice address in Maine. 72% 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 8% of them.

  • NPI issued2006 · 8% of these records are older, 47% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated1982 · median 2007 among the 192 with a school on file
  • Record last updated2008 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

52 anesthesiology physician records list a practice address in Bangor

They are 52 of the 3,103 NPPES records with a practice address in Bangor, and 280 anesthesiology physician records in Maine.

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Mark Cogen, M.D.Bangor, ME 044011730147562
  2. James Dana, MDBangor, ME 044011972579100
  3. Deanna Dorsey, MDBangor, ME 044011477541803
  4. Scott Dubois, MDBangor, ME 044011669423570
  5. Humayun Gazder, M.D.Bangor, ME 044011972548311
  6. Joseph Guaraldo, MDBangor, ME 044011205861515
  7. Bonnie Heyer, MD ANESTHESIOLOGISTBangor, ME 044011588699854
  8. Thomas Huesers, MD ANESTHESIOLOGISTBangor, ME 044011376578682

Common questions

What is Louis Jordan Irwin, M.D.'s NPI number?

Louis Jordan Irwin, M.D.'s National Provider Identifier (NPI) is 1346327749, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Louis Jordan Irwin, M.D. located?

The NPPES record lists a practice address at 489 State St, Bangor, ME, 04401. Phone: (207) 973-7000. Providers update this record themselves, so call before visiting.

How can I verify Louis Jordan Irwin, M.D.'s license?

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.

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.