NPPES file of Aug 9, 2026

Ronald M. Reilly, M.D.

Emergency Medicine Physician · South Portland, ME

Ronald M. Reilly, M.D. is an emergency medicine physician with a practice address in South Portland, Maine, and NPI 1194725465, issued on Jul 28, 2005. Check the license (Maine MD19284, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1194725465
Name
Ronald M. Reilly
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
MD19284 ME
Self-reported in NPPES; status is on the state search
Practice location
50 Foden RD Ste 3, South Portland, ME 04106
Phone
(207) 523-3700
Enumerated
Jul 28, 2005
Record last updated
Mar 3, 2026
Fax
(207) 523-8590
Medicare enrollment
Enrolled (PECOS I20120927000450); may accept Medicare assignment
Medical or professional school
Columbia University College Of Physicians And Surgeons, 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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8 nearest emergency medicine physician records → All 466 in Maine → Look up another NPI →

Also registered at 50 Foden RD Ste 3

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

  1. Mary Becker, MDEmergency Medicine Physician1447325816
  2. Marian Behmer, PA-CPhysician Assistant1083100341
  3. Sadie Carter, MDEmergency Medicine Physician1376742098
  4. Lauren Howard, NP-CFamily Nurse Practitioner1639618317
  5. Allyson Howe, MDSports Medicine (Family Medicine) Physician1679662563
  6. Timothy McAteer, MDSports Medicine (Family Medicine) Physician1619042595

Verify Ronald M. Reilly 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 MD19284    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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51% more Medicare Part D claims than the average emergency medicine physician in 2024

341 Medicare Part D claims for 260 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.

  1. Ronald Reilly341
  2. Specialty average226

Most prescribed

  1. Prednisone78 claims
  2. Doxycycline Monohydrate34 claims
  3. Amoxicillin-Clavulanate Potass32 claims
  4. Amoxicillin23 claims
  5. Cephalexin21 claims
  6. Albuterol Sulfate Hfa16 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.

Bills Medicare through 3 group practices

  1. Intermed PASouth Portland, ME
  2. Riverview Physical Therapy Limited PartnershipYarmouth, ME
  3. St Marys Regional Medical CenterLewiston, ME

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

Ronald M. Reilly among 466 emergency medicine physician records in Maine

Ronald M. Reilly, M.D. is one of 466 emergency medicine physician records with a practice address in Maine. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 98% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated1991 · median 2011 among the 293 with a school on file
  • Record last updated2026 · 52% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Emergency Medicine Physician providers in Maine

There are 466 emergency medicine physician records in Maine.

All 466 in Maine → Every provider in South Portland → Emergency Medicine Physician nationwide →

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Mary Becker, MDSouth Portland, ME 041061447325816
  2. Sadie Carter, MDSouth Portland, ME 041061376742098
  3. Tammy Labonty, MDSouth Portland, ME 041061932286341
  4. Amy Parker, MDSouth Portland, ME 041061518073725
  5. Julie Pelletier, MDSouth Portland, ME 041061336469063
  6. William Ruth, MDSouth Portland, ME 041061306931340
  7. Eric Sampson, MDSouth Portland, ME 041061619054053
  8. Amy Sedgwick, MDSouth Portland, ME 041061366510208

Common questions

What is Ronald M. Reilly, M.D.'s NPI number?

Ronald M. Reilly, M.D.'s National Provider Identifier (NPI) is 1194725465, issued on Jul 28, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Ronald M. Reilly, M.D. located?

The NPPES record lists a practice address at 50 Foden RD Ste 3, South Portland, ME, 04106. Phone: (207) 523-3700. Providers update this record themselves, so call before visiting.

How can I verify Ronald M. Reilly, M.D.'s license?

NPPES lists Maine license number MD19284, 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 Ronald M. Reilly, M.D. prescribe under Medicare Part D?

In 2024, Ronald M. Reilly, M.D. had 341 Medicare Part D claims for 260 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.