NPPES file of Aug 9, 2026

Susan E. O'Connor, M.D.

Specialist · Brewer, ME

Susan E. O'Connor, M.D. is a specialist with a practice address in Brewer, Maine, and NPI 1629034699, issued on Apr 26, 2006. Check the license (Maine 013812, as entered in NPPES) with the Maine board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1629034699
Name
Susan E. O'Connor
Credential
M.D.
Primary taxonomy
Specialist 174400000X
License number
013812 ME
Self-reported in NPPES; status is on the state search
Practice location
33 Whiting Hill RD, Brewer, ME 04412
Phone
(207) 973-9720
Enumerated
Apr 26, 2006
Record last updated
Jan 29, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(207) 973-9710
Medicaid ID
296670099 ME
Medicare enrollment
Enrolled (PECOS I20050721000829); accepts Medicare assignment
Medical or professional school
University Of Pittsburgh School Of Medicine, 1988
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 33 Whiting Hill RD

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

  1. Ayotola Ajayi, MDPediatric Hematology & Oncology Physician1447736962
  2. Erdem Altunel, MDHematology & Oncology Physician1619462884
  3. Ellen Arey, RNFamily Nurse Practitioner1508206822
  4. Sigrid Berg, MDHematology & Oncology Physician1972665834
  5. Philip Brooks, MDHematology & Oncology Physician1942254818
  6. Daniel Callaway, M.D.Pediatric Hematology & Oncology Physician1134428899

Verify Susan E. O'Connor in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maine board licenses this profession
    Search for license 013812    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
Find the Maine license search

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98% fewer Medicare Part D claims than the average specialist in 2024

24 Medicare Part D claims for 18 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D.

  1. Susan O'Connor24
  2. Specialty average1,380

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.

Bills Medicare through one group practice

  1. Eastern Maine Medical CenterBrewer, ME

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

Specialist providers in Maine

There are 248 specialist records in Maine.

All 248 in Maine → Every provider in Brewer →

Other specialist records in Maine

  1. Michele Achey, MTFryeburg, ME1841526878
  2. Jennifer Adams, PTA, LMTWestbrook, ME1568796597
  3. Lia Angelini, MTFarmingdale, ME1245565738
  4. Terri Arden, MTYarmouth, ME1659492411
  5. Craig AshfordDover Foxcroft, ME1447634076
  6. Leah AugustRandolph, ME1891939369
  7. Scott Ayre, P.T.Westbrook, ME1427177823
  8. Ann Babbitt, M.D.South Portland, ME1861551962
  9. Christine Baldwin, RPTPoland Spring, ME1497937825
  10. Claudia Bales, COTA/LBuxton, ME1386950632

Common questions

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

Susan E. O'Connor, M.D.'s National Provider Identifier (NPI) is 1629034699, issued on Apr 26, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Susan E. O'Connor, M.D. located?

The NPPES record lists a practice address at 33 Whiting Hill RD, Brewer, ME, 04412. Phone: (207) 973-9720. Providers update this record themselves, so call before visiting.

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

NPPES lists Maine license number 013812, as entered by the provider. Search the Maine board that licenses this profession; the NPPES record confirms identity only.

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

In 2024, Susan E. O'Connor, M.D. had 24 Medicare Part D claims for 18 beneficiaries; the average among specialist prescribers was 1,380. Part D covers Medicare prescriptions only.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.