Anne Marie O'Connor, MD
Pediatric Emergency Medicine (Emergency Medicine) Physician · Portland, ME
Anne Marie O'Connor, MD is a pediatric emergency medicine (emergency medicine) physician with a practice address in Portland, Maine, and NPI 1235459561, issued on Jun 9, 2010. Check the license (Maine MD28437, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- Anne Marie O'Connor
- Credential
- MD
- Primary taxonomy
- Pediatric Emergency Medicine (Emergency Medicine) Physician 207PP0204X
- License numbers
- MD28437 ME
D76112 MD
17586 NH
0420015010 VT
Self-reported in NPPES; status is on the state search - Practice location
- 22 Bramhall St, Portland, ME 04102
- Phone
- (207) 662-2381
- Enumerated
- Jun 9, 2010
- Record last updated
- Jul 9, 2026
- Medicare enrollment
- Enrolled (PECOS I20250115003146); accepts Medicare assignment
- Entity
- Type 1 · individual
1 nearest pediatric emergency medicine (emergency medicine) physician record → All 2 in Maine → Look up another NPI →
Also registered at 22 Bramhall St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jessica Abbatiello, NP-CFamily Nurse Practitioner1871811737
- Ruslan Abdukalikov, DOAnesthesiology Physician1831694793
- Tod Abrahams, M.D.Diagnostic Radiology Physician1538231642
- Joshua Abrams, PA-CSurgical Physician Assistant1932832128
- Christopher Abruzzese, D.OAnesthesiology Physician1558789305
- Haley Acker, PA-CPhysician Assistant1972167377
Verify Anne Marie O'Connor in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license MD28437Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
49% fewer Medicare Part D claims than the average pediatric emergency medicine (emergency medicine) physician in 2024
45 Medicare Part D claims for 37 beneficiaries, against an average of 89 among the 103 providers of this specialty who prescribed in Part D.
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 practice group's MIPS final score for 2023 (Medicare payment program): 86.8 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- MainehealthPortland, ME
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Pediatric Emergency Medicine (Emergency Medicine) Physician providers in Maine
There are 2 pediatric emergency medicine (emergency medicine) physician records in Maine.
All 2 in Maine → Every provider in Portland → Pediatric Emergency Medicine (Emergency Medicine) Physician nationwide →
The 1 pediatric emergency medicine (emergency medicine) physician record with the nearest ZIP codes
- Uchendu Uchendu, MDCaribou, ME 047361306185210
Common questions
What is Anne Marie O'Connor, MD's NPI number?
Anne Marie O'Connor, MD's National Provider Identifier (NPI) is 1235459561, issued on Jun 9, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Anne Marie O'Connor, MD located?
The NPPES record lists a practice address at 22 Bramhall St, Portland, ME, 04102. Phone: (207) 662-2381. Providers update this record themselves, so call before visiting.
How can I verify Anne Marie O'Connor, MD's license?
NPPES lists Maine license number MD28437, 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 Anne Marie O'Connor, MD prescribe under Medicare Part D?
In 2024, Anne Marie O'Connor, MD had 45 Medicare Part D claims for 37 beneficiaries; the average among pediatric emergency medicine (emergency medicine) physician prescribers was 89. Part D covers Medicare prescriptions only.
What is Anne Marie O'Connor, MD's MIPS final score?
The 2023 MIPS final score is 86.8 of 100, reported for the practice group. 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.