NPPES file of Aug 9, 2026

Peter L. Clark, DO

Emergency Medicine Physician · Lewiston, ME

Peter L. Clark, DO is an emergency medicine physician with a practice address in Lewiston, Maine, and NPI 1770517260, issued on Jul 10, 2006. Check the license (Maine DO1775, 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
1770517260
Name
Peter L. Clark
Credential
DO
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
DO1775 ME
1775 ME
Self-reported in NPPES; status is on the state search
Practice location
300 Main St, Lewiston, ME 04240
Phone
(207) 795-0111
Enumerated
Jul 10, 2006
Record last updated
Feb 5, 2018 (not updated in 8 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20040712000986); accepts Medicare assignment
Medical or professional school
New York College Of Osteo Medicine Of New York Institute Of Technology, 1997
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 Peter L. Clark 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 DO1775
    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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3% more Medicare Part D claims than the average emergency medicine physician in 2024

233 Medicare Part D claims for 173 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims. 23 claims were for opioids.

  1. Peter Clark233
  2. Specialty average226

Most prescribed

  1. Cefpodoxime Proxetil27 claims
  2. Azithromycin18 claims
  3. Prednisone18 claims
  4. Ondansetron Hcl16 claims
  5. Amoxicillin-Clavulanate Potass15 claims
  6. Hydrocodone-Acetaminophen14 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 2 group practices

  1. Bluewater Emergency Partners OF Brunswick, LLCLewiston, ME
  2. Mercy HospitalPortland, ME

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

Peter L. Clark among 466 emergency medicine physician records in Maine

Peter L. Clark, DO 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 2006, is newer than 2% of them.

  • NPI issued2006 · 2% of these records are older, 62% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated1997 · median 2011 among the 293 with a school on file
  • Record last updated2018 · 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 Peter L. Clark, DO's NPI number?

Peter L. Clark, DO's National Provider Identifier (NPI) is 1770517260, issued on Jul 10, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Peter L. Clark, DO 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 Peter L. Clark, DO's license?

NPPES lists Maine license number DO1775, 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 Peter L. Clark, DO prescribe under Medicare Part D?

In 2024, Peter L. Clark, DO had 233 Medicare Part D claims for 173 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.