NPPES file of Aug 9, 2026

Dawn-Marie O'Reilly, PA

Medical Physician Assistant · Middletown, CT

Dawn-Marie O'Reilly, PA is a medical physician assistant with a practice address in Middletown, Connecticut, and NPI 1134195845, issued on Feb 23, 2006. Check the license (Connecticut 000217, as entered in NPPES) with the Connecticut 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1134195845
Name
Dawn-Marie O'Reilly
Credential
PA
Primary taxonomy
Medical Physician Assistant 363AM0700X
License number
000217 CT
Self-reported in NPPES; status is on the state search
Practice location
28 Crescent St, Middletown, CT 06457
Phone
(860) 344-6394
Enumerated
Feb 23, 2006
Record last updated
Jul 13, 2026
Fax
(860) 344-6748
Medicare enrollment
Enrolled (PECOS I20031216000702); accepts Medicare assignment
Medical or professional school
Yale University School Of Medicine, 1991
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 28 Crescent St

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

  1. Tori Adamczyk, PHARMD, RPHPharmacist1881533859
  2. William Allen, M.D.Emergency Medicine Physician1821060369
  3. Jacqueline Atkinson, PA-CMedical Physician Assistant1871022293
  4. Tina Bafumi, M.D.Pediatrics Physician1033391677
  5. David Baggish, M.D.Nephrology Physician1598748808
  6. Jonathan Bankoff, MDEmergency Medicine Physician1306041728

Verify Dawn-Marie O'Reilly in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
    Search for license 000217
    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 Connecticut 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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76% fewer Medicare Part D claims than the average medical physician assistant in 2024

275 Medicare Part D claims for 178 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. 15 claims were for opioids.

  1. Dawn-Marie O'Reilly275
  2. Specialty average1,148

Most prescribed

  1. Cephalexin28 claims
  2. Naproxen15 claims
  3. Amoxicillin-Clavulanate Potass14 claims
  4. Oxycodone Hcl14 claims
  5. Sulfamethoxazole-Trimethoprim11 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 practice group's MIPS final score for 2023 (Medicare payment program): 73.6 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.

  1. Qualityout of 100 · 30% of the final score75.8
  2. Costout of 100 · 30%51.4
  3. Promoting interoperabilityout of 100 · 25%74.0
  4. Improvement activities40 of 40 points · 15%100.0

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

Bills Medicare through one group practice

  1. Cornell Scott Hill Health CorporationNew Haven, CT

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

Dawn-Marie O'Reilly among 1,138 medical physician assistant records in Connecticut

Dawn-Marie O'Reilly, PA is one of 1,138 medical physician assistant records with a practice address in Connecticut. 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 4% of them.

  • NPI issued2006 · 4% of these records are older, 76% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated1991 · median 2015 among the 732 with a school on file
  • Record last updated2026 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

25 medical physician assistant records list a practice address in Middletown

They are 25 of the 1,590 NPPES records with a practice address in Middletown, and 1,138 medical physician assistant records in Connecticut.

The 8 medical physician assistant records with the nearest ZIP codes

  1. Robert Brice, PAMiddletown, CT 064571831164482
  2. Dennis Brown, PAMiddletown, CT 064571316912694
  3. Joseph Castro, PAMiddletown, CT 064571114968658
  4. Mark Coman, PAMiddletown, CT 064571184814956
  5. Steven ConlinMiddletown, CT 064571699773598
  6. Janice Desi, PAMiddletown, CT 064571386838803
  7. Joshua Freund, PAMiddletown, CT 064571992770960
  8. Carrie Herron, P.A.Middletown, CT 064571134218191

Common questions

What is Dawn-Marie O'Reilly, PA's NPI number?

Dawn-Marie O'Reilly, PA's National Provider Identifier (NPI) is 1134195845, issued on Feb 23, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Dawn-Marie O'Reilly, PA located?

The NPPES record lists a practice address at 28 Crescent St, Middletown, CT, 06457. Phone: (860) 344-6394. Providers update this record themselves, so call before visiting.

How can I verify Dawn-Marie O'Reilly, PA's license?

NPPES lists Connecticut license number 000217, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.

How much does Dawn-Marie O'Reilly, PA prescribe under Medicare Part D?

In 2024, Dawn-Marie O'Reilly, PA had 275 Medicare Part D claims for 178 beneficiaries; the average among medical physician assistant prescribers was 1,148. Part D covers Medicare prescriptions only.

What is Dawn-Marie O'Reilly, PA's MIPS final score?

The 2023 MIPS final score is 73.6 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.