Cassandre Tanner, D.O.
Family Medicine Physician · Rockport, ME
Cassandre Tanner, D.O. is a family medicine physician with a practice address in Rockport, Maine, and NPI 1649705054, issued on Apr 23, 2017. Check the license (Maine DO3132, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- Cassandre Tanner
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- DO3132 ME
LT20078 ME
Self-reported in NPPES; status is on the state search - Practice location
- 7 Madelyn LN # 200, Rockport, ME 04856
- Phone
- (207) 301-5900
- Enumerated
- Apr 23, 2017
- Record last updated
- Nov 13, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20201228000602); accepts Medicare assignment
- Medical or professional school
- University Of New England, College Of Osteo Medicine, 2017
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 1,172 in Maine → Look up another NPI →
Verify Cassandre Tanner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license DO3132Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
45% fewer Medicare Part D claims than the average family medicine physician in 2024
1,965 Medicare Part D claims for 197 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 20 claims were for opioids.
Most prescribed
- Atorvastatin Calcium144 claims
- Metoprolol Succinate92 claims
- Amlodipine Besylate81 claims
- Rosuvastatin Calcium71 claims
- Albuterol Sulfate Hfa59 claims
- Lisinopril59 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 one group practice
- MainehealthRockport, ME
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Cassandre Tanner among 1,172 family medicine physician records in Maine
Cassandre Tanner, D.O. 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 2017, is newer than 79% of them.
- NPI issued2017 · 79% of these records are older, 18% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2017 · median 2008 among the 668 with a school on file
- Record last updated2020 · 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).
23 family medicine physician records list a practice address in Rockport
They are 23 of the 387 NPPES records with a practice address in Rockport, and 1,172 family medicine physician records in Maine.
All 1,172 in Maine → Every provider in Rockport → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Judith Andersen, M.D.Rockport, ME 048561235152760
- Mary Ashmore, D.O.Rockport, ME 048561386751972
- Jacqueline Caldwell, M.D.Rockport, ME 048561700091030
- David Hall, MDRockport, ME 048561629035068
- Bruce Hoekstra, M.D.Rockport, ME 048561598725871
- Julie Hurley, DORockport, ME 048561437266434
- Jeffrey Landfair, MDRockport, ME 048561801967922
- Ira Mandel, M.D.Rockport, ME 048561194707687
Common questions
What is Cassandre Tanner, D.O.'s NPI number?
Cassandre Tanner, D.O.'s National Provider Identifier (NPI) is 1649705054, issued on Apr 23, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Cassandre Tanner, D.O. located?
The NPPES record lists a practice address at 7 Madelyn LN # 200, Rockport, ME, 04856. Phone: (207) 301-5900. Providers update this record themselves, so call before visiting.
How can I verify Cassandre Tanner, D.O.'s license?
NPPES lists Maine license number DO3132, 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 Cassandre Tanner, D.O. prescribe under Medicare Part D?
In 2024, Cassandre Tanner, D.O. had 1,965 Medicare Part D claims for 197 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.