NPPES file of Aug 9, 2026

Peter D. O'Connor, M.D., O.D.

Otolaryngology Physician · Brunswick, ME

Peter D. O'Connor, M.D., O.D. is an otolaryngology physician with a practice address in Brunswick, Maine, and NPI 1992805253, issued on Sep 25, 2006. Check the license (Maine MD24017, as entered in NPPES) 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 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1992805253
Name
Peter D. O'Connor
Credential
M.D., O.D.
Primary taxonomy
Otolaryngology Physician 207Y00000X
License numbers
MD24017 ME
0101238624 VA
Self-reported in NPPES; status is on the state search
Practice location
331 Maine St Ste 4, Brunswick, ME 04011
Phone
(207) 721-0911
Enumerated
Sep 25, 2006
Record last updated
Oct 8, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(207) 725-7910
Medicare enrollment
Enrolled (PECOS I20201110002098); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 331 Maine St Ste 4

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

  1. Michelle Barber, NPNurse Practitioner1407335789
  2. Gregory Penner, M.D.Specialist1275610198

Verify Peter D. O'Connor in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
    Search for license MD24017
    Check 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

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62% fewer Medicare Part D claims than the average otolaryngology physician in 2024

204 Medicare Part D claims for 111 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 17 claims were for opioids.

  1. Peter O'Connor204
  2. Specialty average541

Most prescribed

  1. Ipratropium Bromide60 claims
  2. Azelastine Hcl36 claims
  3. Mupirocin34 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

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.

  1. Qualityout of 100 · 30% of the final score86.1
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. MainehealthPortland, ME

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

Peter D. O'Connor among 53 otolaryngology physician records in Maine

Peter D. O'Connor, M.D., O.D. is one of 53 otolaryngology 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 6% of them.

  • NPI issued2006 · 6% of these records are older, 45% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileYes · 51% of these records are
  • Graduated2003 · median 2006 among the 27 with a school on file
  • Record last updated2020 · 68% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Y00000X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Otolaryngology Physician providers in Maine

There are 53 otolaryngology physician records in Maine.

The 8 otolaryngology physician records with the nearest ZIP codes

  1. Lee Bauter, MDBrunswick, ME 040111114506615
  2. Rebecca Bell, MDBrunswick, ME 040111184201352
  3. Shane Griffith, D.O.Brunswick, ME 040111114346251
  4. Brian Lee, D.O.Biddeford, ME 040051467681619
  5. Megan Abbott, MDScarborough, ME 040741801087408
  6. Julius Damion, M.D.Scarborough, ME 040741790847325
  7. Rebecca Harvey, MDScarborough, ME 040741588000954
  8. David Hurst, MDScarborough, ME 040741841251063

Common questions

What is Peter D. O'Connor, M.D., O.D.'s NPI number?

Peter D. O'Connor, M.D., O.D.'s National Provider Identifier (NPI) is 1992805253, issued on Sep 25, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Peter D. O'Connor, M.D., O.D. located?

The NPPES record lists a practice address at 331 Maine St Ste 4, Brunswick, ME, 04011. Phone: (207) 721-0911. Providers update this record themselves, so call before visiting.

How can I verify Peter D. O'Connor, M.D., O.D.'s license?

NPPES lists Maine license number MD24017, 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.

How much does Peter D. O'Connor, M.D., O.D. prescribe under Medicare Part D?

In 2024, Peter D. O'Connor, M.D., O.D. had 204 Medicare Part D claims for 111 beneficiaries; the average among otolaryngology physician prescribers was 541. Part D covers Medicare prescriptions only.

What is Peter D. O'Connor, M.D., O.D.'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.