Larry M. Marcus, MD
Otolaryngology Physician · Norway, ME
Larry M. Marcus, MD is an otolaryngology physician with a practice address in Norway, Maine, and NPI 1497743991, issued on Oct 10, 2005. Check the license (Maine MD24353, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- Larry M. Marcus
- Credential
- MD
- Primary taxonomy
- Otolaryngology Physician 207Y00000X
- License numbers
- MD24353 ME
029258 CT
Self-reported in NPPES; status is on the state search - Practice location
- 193 Main St, Norway, ME 04268
- Phone
- (207) 743-2835
- Enumerated
- Oct 10, 2005
- Record last updated
- Dec 16, 2020 (not updated in 6 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest otolaryngology physician records → All 53 in Maine → Look up another NPI →
Also registered at 193 Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Gregory Bates, APRN, FNPFamily Nurse Practitioner1487022398
- Robert Bean, M.D.Surgery Physician1861433617
- Jennifer Blastow, NP-CFamily Nurse Practitioner1023180569
- Gail Boaz, APRNPediatric Nurse Practitioner1700963071
Verify Larry M. Marcus in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license MD24353Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
49% fewer Medicare Part D claims than the average otolaryngology physician in 2024
274 Medicare Part D claims for 129 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D.
Most prescribed
- Omeprazole106 claims
- Pantoprazole Sodium54 claims
- Neomycin-Polymyxin-Hc15 claims
- Prednisone13 claims
- Ipratropium Bromide12 claims
- Mupirocin12 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 MIPS final score for 2023 (Medicare payment program): 98.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Larry M. Marcus among 53 otolaryngology physician records in Maine
Larry M. Marcus, 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 94% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileNo · 51% of these records are
- Record last updated2020 · 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.
All 53 in Maine → Every provider in Norway → Otolaryngology Physician nationwide →
The 8 otolaryngology physician records with the nearest ZIP codes
- Charles Gasser, MDLewiston, ME 042401023105020
- Norris Lee, MD, FACSLewiston, ME 042401023188703
- Benjamin Lounsbury, M.D.Lewiston, ME 042401093875627
- Robert Warner, DOLewiston, ME 042401528026523
- Shannon AllenAugusta, ME 043301497997910
- Nicholas Andresen, MDAugusta, ME 043301104322130
- Brian Cusick, MDAugusta, ME 043301174578793
- William Diehl, M.D.Augusta, ME 043301588687164
Common questions
What is Larry M. Marcus, MD's NPI number?
Larry M. Marcus, MD's National Provider Identifier (NPI) is 1497743991, issued on Oct 10, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Larry M. Marcus, MD located?
The NPPES record lists a practice address at 193 Main St, Norway, ME, 04268. Phone: (207) 743-2835. Providers update this record themselves, so call before visiting.
How can I verify Larry M. Marcus, MD's license?
NPPES lists Maine license number MD24353, 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 Larry M. Marcus, MD prescribe under Medicare Part D?
In 2024, Larry M. Marcus, MD had 274 Medicare Part D claims for 129 beneficiaries; the average among otolaryngology physician prescribers was 541. Part D covers Medicare prescriptions only.
What is Larry M. Marcus, MD's MIPS final score?
The 2023 MIPS final score is 98.1 of 100. 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.