Katherine Cassidy, DO
Family Medicine Physician · Presque Isle, ME
Katherine Cassidy, DO is a family medicine physician with a practice address in Presque Isle, Maine, and NPI 1700401734, issued on Jun 16, 2020. Check the license (Maine DO3688, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- Katherine Cassidy
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- DO3688 ME
OS18375 FL
Self-reported in NPPES; status is on the state search - Practice location
- 23 North St Ste 4, Presque Isle, ME 04769
- Phone
- (207) 764-3142
- Enumerated
- Jun 16, 2020
- Entity
- Type 1 · individual
Also registered at 23 North St Ste 4
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Crystal Annis, PA-CPhysician Assistant1114600459
- Hilary Boucher, PAPhysician Assistant1568125797
- Kristin Guerrette, DOFamily Medicine Physician1942643770
- Tiernan Murphy, MDFamily Medicine Physician1821583253
Verify Katherine Cassidy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license DO3688Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
97% more Medicare Part D claims than the average family medicine physician in 2024
6,930 Medicare Part D claims for 689 beneficiaries, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims. 259 claims were for opioids.
Most prescribed
- Atorvastatin Calcium341 claims
- Lisinopril255 claims
- Losartan Potassium214 claims
- Levothyroxine Sodium208 claims
- Omeprazole206 claims
- Pantoprazole Sodium183 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 Medicare quality score for 2023: 100 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).
One hospital or facility affiliation
- The Aroostook Medical CenterPresque Isle, ME
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
15 family medicine physician records list a Presque Isle practice address
They are 15 of the 439 NPPES records with a Presque Isle practice address, and 1,168 family medicine physician records in Maine.
All 15 in Presque Isle → All 1,168 in Maine → Every provider in Presque Isle →
Other family medicine physician records in Maine
- Jeffrey Aalberg, MDFalmouth, ME1669400222
- Elizabeth Abbas, DOFarmington, ME1932588100
- Robert Abrams, M.D.Lubec, ME1720067010
- Andrea Abrell, DOAugusta, ME1558525188
- Katie Adams, MDLincoln, ME1154764975
- Sophia AdamsPortland, ME1073961892
- Thomas Adams, MDSouthwest Harbor, ME1851331565
- Rebecca Adamson, MDLewiston, ME1912313982
- Constance Adler, M.D., F.A.A.F.P.Farmington, ME1487689675
- Devesh Agarwal, M.D.Lincoln, ME1710116876
Common questions
What is Katherine Cassidy, DO's NPI number?
Katherine Cassidy, DO's National Provider Identifier (NPI) is 1700401734, issued on Jun 16, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Cassidy, DO located?
The NPPES record lists a practice address at 23 North St Ste 4, Presque Isle, ME, 04769. Phone: (207) 764-3142. Providers update this record themselves, so call before visiting.
How can I verify Katherine Cassidy, DO's license?
NPPES lists Maine license number DO3688, 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 Katherine Cassidy, DO prescribe under Medicare Part D?
In 2024, Katherine Cassidy, DO had 6,930 Medicare Part D claims for 689 beneficiaries; the average among family medicine physician prescribers was 3,519. Part D covers Medicare prescriptions only.
What is Katherine Cassidy, DO's Medicare quality score?
The 2023 MIPS final score is 100 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.