NPPES file of Aug 9, 2026

Benjamin D. Liess, MD

Otolaryngology Physician · South Portland, ME

Benjamin D. Liess, MD is an otolaryngology physician with a practice address in South Portland, Maine, and NPI 1265536445, issued on Sep 11, 2006. Check the license (Maine MD18388, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1265536445
Name
Benjamin D. Liess
Credential
MD
Primary taxonomy
Otolaryngology Physician 207Y00000X
License numbers
MD18388 ME
2009014370 MO
T2004016418 MO
Self-reported in NPPES; status is on the state search
Practice location
100 Foden RD, West, South Portland, ME 04106
Phone
(207) 347-2910
Enumerated
Sep 11, 2006
Record last updated
Dec 3, 2025
Fax
(207) 523-8591
Medicare enrollment
Enrolled (PECOS I20101005000030); accepts Medicare assignment
Medical or professional school
University Of Missouri, Columbia School Of Medicine, 2004
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 100 Foden RD, West

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

  1. Melissa Belcher, PTPhysical Therapist1982637526
  2. Lisa Bulthuis, NPFamily Nurse Practitioner1689636607
  3. Melinda Hurt, PTPhysical Therapist1942598099
  4. Christina Killoran, MDDermatology Physician1386890614
  5. Todd Lamoreau, PTPhysical Therapist1679683098
  6. Megan LichterFamily Nurse Practitioner1891180733

Verify Benjamin D. Liess 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 MD18388
    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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35% more Medicare Part D claims than the average otolaryngology physician in 2024

733 Medicare Part D claims for 312 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims. 23 claims were for opioids.

  1. Benjamin Liess733
  2. Specialty average541

Most prescribed

  1. Ipratropium Bromide249 claims
  2. Omeprazole57 claims
  3. Prednisone56 claims
  4. Fluocinolone Acetonide Oil40 claims
  5. Ciprofloxacin-Dexamethasone34 claims
  6. Hydroxyzine Hcl30 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.

No measured MIPS final score for 2023

CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.

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

Benjamin D. Liess among 53 otolaryngology physician records in Maine

Benjamin D. Liess, MD is one of 53 otolaryngology physician records with a practice address in Maine. 72% 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 6% of them.

  • NPI issued2006 · 6% of these records are older, 45% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileYes · 51% of these records are
  • Graduated2004 · median 2006 among the 27 with a school on file
  • Record last updated2025 · 68% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Y00000X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Otolaryngology Physician providers in Maine

There are 53 otolaryngology physician records in Maine.

The 8 otolaryngology physician records with the nearest ZIP codes

  1. Brandon Chiu, M.D.South Portland, ME 041061710391271
  2. Michael Knowland, MD,FACSSouth Portland, ME 041061477574887
  3. Jeffrey Bedrosian, MDPortland, ME 041031821252974
  4. Stephen Maturo, MDPortland, ME 041031720065295
  5. Elizabeth Pearce, M.D.Portland, ME 041031720221401
  6. Frederick Roediger, M.D.Portland, ME 041031659409977
  7. John Roediger, M.DPortland, ME 041031881682789
  8. Adarsh Vasanth, M.D.Portland, ME 041031053433045

Common questions

What is Benjamin D. Liess, MD's NPI number?

Benjamin D. Liess, MD's National Provider Identifier (NPI) is 1265536445, issued on Sep 11, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Benjamin D. Liess, MD located?

The NPPES record lists a practice address at 100 Foden RD, West, South Portland, ME, 04106. Phone: (207) 347-2910. Providers update this record themselves, so call before visiting.

How can I verify Benjamin D. Liess, MD's license?

NPPES lists Maine license number MD18388, 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 Benjamin D. Liess, MD prescribe under Medicare Part D?

In 2024, Benjamin D. Liess, MD had 733 Medicare Part D claims for 312 beneficiaries; the average among otolaryngology physician prescribers was 541. Part D covers Medicare prescriptions only.

What is Benjamin D. Liess, MD's MIPS final score?

CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.

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.