William Raymond Chasse, MD
Otolaryngology Physician · Waterville, ME
William Raymond Chasse, MD is an otolaryngology physician with a practice address in Waterville, Maine, and NPI 1811094220, issued on Sep 20, 2006. Check the license (Maine 11743, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- William Raymond Chasse
- Credential
- MD
- Primary taxonomy
- Otolaryngology Physician 207Y00000X
- License number
- 11743 ME
Self-reported in NPPES; status is on the state search - Practice location
- 325 B Kennedy Memorial Drive, Waterville, ME 04901
- Phone
- (207) 873-0737
- Enumerated
- Sep 20, 2006
- Record last updated
- Oct 16, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (207) 861-5446
- Medicaid IDs
- 114590099 ME
114590000 ME - Medicare enrollment
- Enrolled (PECOS I20080812000524); accepts Medicare assignment
- Medical or professional school
- Perelman School Of Med At The University Of Pennsylvania, 1979
- Entity
- Type 1 · individual
8 nearest otolaryngology physician records → All 53 in Maine → Look up another NPI →
Verify William Raymond Chasse in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license 11743Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
68% fewer Medicare Part D claims than the average otolaryngology physician in 2024
175 Medicare Part D claims for 80 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Neomycin-Polymyxin-Hc36 claims
- Prednisone17 claims
- Dexamethasone13 claims
- Ciprofloxacin-Dexamethasone12 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 practice group's MIPS final score for 2023 (Medicare payment program): 79.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Mainegeneral Medical CenterWaterville, ME
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Raymond Chasse among 53 otolaryngology physician records in Maine
William Raymond Chasse, 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
- Graduated1979 · median 2006 among the 27 with a school on file
- Record last updated2012 · 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 Waterville → Otolaryngology Physician nationwide →
The 8 otolaryngology physician records with the nearest ZIP codes
- Karen Miller, M.D.Belfast, ME 049151386828960
- Michael Joseph, MDFarmington, ME 049381629086657
- G. Chamberlin, MDRockport, ME 048561811932726
- Charles Kava, D.O.Rockport, ME 048561043310931
- Paul Krivitsky, M.D.Presque Isle, ME 047691184707564
- Osama El Silimy, MDCaribou, ME 047361992877013
- Tyler Patrick, DOEllsworth, ME 046051932600145
- Davor Sklizovic, M.D.Ellsworth, ME 046051740369222
Common questions
What is William Raymond Chasse, MD's NPI number?
William Raymond Chasse, MD's National Provider Identifier (NPI) is 1811094220, issued on Sep 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Raymond Chasse, MD located?
The NPPES record lists a practice address at 325 B Kennedy Memorial Drive, Waterville, ME, 04901. Phone: (207) 873-0737. Providers update this record themselves, so call before visiting.
How can I verify William Raymond Chasse, MD's license?
NPPES lists Maine license number 11743, 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 William Raymond Chasse, MD prescribe under Medicare Part D?
In 2024, William Raymond Chasse, MD had 175 Medicare Part D claims for 80 beneficiaries; the average among otolaryngology physician prescribers was 541. Part D covers Medicare prescriptions only.
What is William Raymond Chasse, MD's MIPS final score?
The 2023 MIPS final score is 79.3 of 100, reported for the practice group. 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.