Cynthia Sammis, M.D.
Family Medicine Physician · Machias, ME
Cynthia Sammis, M.D. is a family medicine physician with a practice address in Machias, Maine, and NPI 1831202134, issued on Aug 17, 2006. Check the license (Maine 011620, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- Cynthia Sammis
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 011620 ME
Self-reported in NPPES; status is on the state search - Practice location
- 53 Fremont St, Machias, ME 04654
- Phone
- (207) 255-8290
- Enumerated
- Aug 17, 2006
- Record last updated
- Apr 21, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (207) 255-4109
- Medicaid ID
- 292980099 ME
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 1,172 in Maine → Look up another NPI →
Also registered at 53 Fremont St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Crystal AtkinsonRegistered Nurse1114421633
- Julia ClimoOccupational Therapist1417876467
- Kaitlin Merchant, OTAOccupational Therapy Assistant1295561280
- Jordyn Olsson, OTR/LOccupational Therapist1376379420
- Kimberley Roberts, PMHCNS-BCPsychiatric/Mental Health Clinical Nurse Specialist1083645873
Verify Cynthia Sammis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license 011620Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average family medicine physician in 2024
82 Medicare Part D claims for 25 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Potassium Chloride11 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): 88 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).
Cynthia Sammis among 1,172 family medicine physician records in Maine
Cynthia Sammis, M.D. is one of 1,172 family medicine physician records with a practice address in Maine. 76% 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, 52% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2009 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
4 family medicine physician records list a practice address in Machias
They are 4 of the 135 NPPES records with a practice address in Machias, and 1,172 family medicine physician records in Maine.
All 1,172 in Maine → Every provider in Machias → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Eric Burke, M.D.Northfield, ME 046541689728529
- Katherine Grover, DOMachias, ME 046541902885965
- Nika Karlsson, DOMachias, ME 046541326615576
- David Rioux, D.O.Machias, ME 046541316084650
- Robert Abrams, M.D.Lubec, ME 046521720067010
- Carl Aselton, MDMilbridge, ME 046581568468163
- Cathleen London, M.D.Milbridge, ME 046581356652937
- Drew Ramsay, DOMilbridge, ME 046581720516248
Common questions
What is Cynthia Sammis, M.D.'s NPI number?
Cynthia Sammis, M.D.'s National Provider Identifier (NPI) is 1831202134, issued on Aug 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Cynthia Sammis, M.D. located?
The NPPES record lists a practice address at 53 Fremont St, Machias, ME, 04654. Phone: (207) 255-8290. Providers update this record themselves, so call before visiting.
How can I verify Cynthia Sammis, M.D.'s license?
NPPES lists Maine license number 011620, 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 Cynthia Sammis, M.D. prescribe under Medicare Part D?
In 2024, Cynthia Sammis, M.D. had 82 Medicare Part D claims for 25 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Cynthia Sammis, M.D.'s MIPS final score?
The 2023 MIPS final score is 88 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.