NPPES file of Aug 9, 2026

Anthony Christopher Regis, MD

Emergency Medicine Physician · Lewiston, ME

Anthony Christopher Regis, MD is an emergency medicine physician with a practice address in Lewiston, Maine, and NPI 1285995035, issued on Jun 7, 2012. Check the license (Maine MD20055, 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
1285995035
Name
Anthony Christopher Regis
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
MD20055 ME
Self-reported in NPPES; status is on the state search
Practice location
300 Main St, Lewiston, ME 04240
Phone
(207) 795-0111
Enumerated
Jun 7, 2012
Record last updated
Jul 8, 2015 (not updated in 11 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20150116001453); accepts Medicare assignment
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 300 Main St

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

  1. Christopher Abbott, D.O.Hospitalist Physician1982043329
  2. Maya Ahluwalia Hackett, DPTPhysical Therapist1700492865
  3. Donald Albee, CRNACertified Registered Nurse Anesthetist1437168903
  4. Joseph Anderson, DOPediatrics Physician1962853697
  5. Nicole Anderson, SLPSpeech-Language Pathologist1548644636
  6. Michelle AndrewsPhysical Therapist1326423237

Verify Anthony Christopher Regis 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 MD20055
    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

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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21% more Medicare Part D claims than the average emergency medicine physician in 2024

273 Medicare Part D claims for 195 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 22 claims were for opioids.

  1. Anthony Regis273
  2. Specialty average226

Most prescribed

  1. Prednisone34 claims
  2. Azithromycin21 claims
  3. Amoxicillin-Clavulanate Potass16 claims
  4. Cefdinir15 claims
  5. Cephalexin14 claims
  6. Sucralfate14 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 one group practice

  1. Bluewater Emergency Partners OF Brunswick, LLCRumford, ME

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

Anthony Christopher Regis among 466 emergency medicine physician records in Maine

Anthony Christopher Regis, MD 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 2012, is newer than 64% of them.

  • NPI issued2012 · 64% of these records are older, 34% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2012 · median 2011 among the 293 with a school on file
  • Record last updated2015 · 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).

63 emergency medicine physician records list a practice address in Lewiston

They are 63 of the 1,728 NPPES records with a practice address in Lewiston, and 466 emergency medicine physician records in Maine.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Charles Armstrong, MDLewiston, ME 042401134191505
  2. William CollinsLewiston, ME 042401033181409
  3. Timothy Coury, MDLewiston, ME 042401831160209
  4. Richard D'Alessandro, MDLewiston, ME 042401467423830
  5. Michael Friendly, MDLewiston, ME 042401184696338
  6. Henk Goorhuis, MDLewiston, ME 042401780656033
  7. David Johnson, MDLewiston, ME 042401760454649
  8. Mary Claire Murphy, MDLewiston, ME 042401164494399

Common questions

What is Anthony Christopher Regis, MD's NPI number?

Anthony Christopher Regis, MD's National Provider Identifier (NPI) is 1285995035, issued on Jun 7, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Anthony Christopher Regis, MD located?

The NPPES record lists a practice address at 300 Main St, Lewiston, ME, 04240. Phone: (207) 795-0111. Providers update this record themselves, so call before visiting.

How can I verify Anthony Christopher Regis, MD's license?

NPPES lists Maine license number MD20055, 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 Anthony Christopher Regis, MD prescribe under Medicare Part D?

In 2024, Anthony Christopher Regis, MD had 273 Medicare Part D claims for 195 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.

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.