Michael Mason, MD
Surgery Physician · Bar Harbor, ME
Michael Mason, MD is a surgery physician with a practice address in Bar Harbor, Maine, and NPI 1598793317, issued on Jun 29, 2006. Check the license (Maine 014238, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- Michael Mason
- Credential
- MD
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- 014238 ME
Self-reported in NPPES; status is on the state search - Practice location
- 17 Hancock St, Bar Harbor, ME 04609
- Phone
- (207) 288-8615
- Enumerated
- Jun 29, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (207) 288-2448
- Medicare enrollment
- Enrolled (PECOS I20050628000391); accepts Medicare assignment
- Medical or professional school
- Emory University School Of Medicine, 1993
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 229 in Maine → Look up another NPI →
Also registered at 17 Hancock St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brian Caine, MDFamily Medicine Physician1518946185
- Joseph Dougherty, M.D.Surgery Physician1790911550
- Charles Hendricks, MDSurgery Physician1174551394
- Katherine Lawson, FNPFamily Nurse Practitioner1700018645
- Meryl Nass, MDHospitalist Physician1487625828
- Aaron Perme, MDSurgery Physician1861582678
Verify Michael Mason in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license 014238Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.0 times the Medicare Part D claims of the average surgery physician in 2024
299 Medicare Part D claims for 156 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. 116 claims were for opioids.
Most prescribed
- Oxycodone Hcl100 claims
- Ondansetron Hcl52 claims
- Amoxicillin-Clavulanate Potass23 claims
- Cephalexin16 claims
- Metronidazole14 claims
- Neomycin Sulfate14 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
- MainehealthBrunswick, ME
- Mercy HospitalPortland, ME
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael Mason among 229 surgery physician records in Maine
Michael Mason, MD is one of 229 surgery physician records with a practice address in Maine. 68% 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 11% of them.
- NPI issued2006 · 11% of these records are older, 43% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated1993 · median 2005 among the 121 with a school on file
- Record last updated2007 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
4 surgery physician records list a practice address in Bar Harbor
They are 4 of the 157 NPPES records with a practice address in Bar Harbor, and 229 surgery physician records in Maine.
All 229 in Maine → Every provider in Bar Harbor → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Joseph Dougherty, M.D.Bar Harbor, ME 046091790911550
- Charles Hendricks, MDBar Harbor, ME 046091174551394
- Aaron Perme, MDBar Harbor, ME 046091861582678
- David Coffman, DOEllsworth, ME 046051598785503
- Mary Collins, M.D.Ellsworth, ME 046051649222126
- Lloyd Harmon, MDEllsworth, ME 046051326090606
- Dylan Jacobus, M.D.Ellsworth, ME 046051801259189
- Daniel Kairys, MDEllsworth, ME 046051104801109
Common questions
What is Michael Mason, MD's NPI number?
Michael Mason, MD's National Provider Identifier (NPI) is 1598793317, issued on Jun 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael Mason, MD located?
The NPPES record lists a practice address at 17 Hancock St, Bar Harbor, ME, 04609. Phone: (207) 288-8615. Providers update this record themselves, so call before visiting.
How can I verify Michael Mason, MD's license?
NPPES lists Maine license number 014238, 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 Michael Mason, MD prescribe under Medicare Part D?
In 2024, Michael Mason, MD had 299 Medicare Part D claims for 156 beneficiaries; the average among surgery physician prescribers was 147. 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.