Cassandra Marie Farrell, DO
Family Medicine Physician · South Portland, ME
Cassandra Marie Farrell, DO is a family medicine physician with a practice address in South Portland, Maine, and NPI 1619612389, issued on Apr 28, 2022. Check the license (Maine DO4329, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- Cassandra Marie Farrell
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- DO4329 ME
335847-01 NY
Self-reported in NPPES; status is on the state search - Practice location
- 225 Gorham RD Ste 303, South Portland, ME 04106
- Phone
- (207) 535-1880
- Enumerated
- Apr 28, 2022
- Record last updated
- Jul 7, 2026
- Fax
- (207) 535-1876
- Medicare enrollment
- Enrolled (PECOS I20250723000812); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 1,172 in Maine → Look up another NPI →
Also registered at 225 Gorham RD Ste 303
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Patrick Butsch, M.D.Internal Medicine Physician1710247705
Verify Cassandra Marie Farrell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license DO4329Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
69% fewer Medicare Part D claims than the average family medicine physician in 2024
1,114 Medicare Part D claims for 129 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
- Atorvastatin Calcium104 claims
- Amlodipine Besylate82 claims
- Losartan Potassium65 claims
- Lisinopril54 claims
- Metformin Hcl43 claims
- Albuterol Sulfate Hfa41 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
- St Josephs Medical PCSyracuse, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Cassandra Marie Farrell among 1,172 family medicine physician records in Maine
Cassandra Marie Farrell, DO 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 2022, is newer than 93% of them.
- NPI issued2022 · 93% of these records are older, 4% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2022 · median 2008 among the 668 with a school on file
- Record last updated2026 · 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).
31 family medicine physician records list a practice address in South Portland
They are 31 of the 1,143 NPPES records with a practice address in South Portland, and 1,172 family medicine physician records in Maine.
All 1,172 in Maine → Every provider in South Portland → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Matthew Belcher, MDSouth Portland, ME 041061952351223
- Stephen Blair, D.O.South Portland, ME 041061992730311
- Morgen Buehner, MDSo Portland, ME 041061346315637
- Michael Ciampi, M.D.South Portland, ME 041061205862760
- Mary Connolly, MDSouth Portland, ME 041061558535559
- Megan Driscoll, MDSouth Portland, ME 041061265482152
- Jeffrey Grassmann, D.O.South Portland, ME 041061750580486
- John Hatzenbuehler, MDSouth Portland, ME 041061699844365
Common questions
What is Cassandra Marie Farrell, DO's NPI number?
Cassandra Marie Farrell, DO's National Provider Identifier (NPI) is 1619612389, issued on Apr 28, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Cassandra Marie Farrell, DO located?
The NPPES record lists a practice address at 225 Gorham RD Ste 303, South Portland, ME, 04106. Phone: (207) 535-1880. Providers update this record themselves, so call before visiting.
How can I verify Cassandra Marie Farrell, DO's license?
NPPES lists Maine license number DO4329, 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 Cassandra Marie Farrell, DO prescribe under Medicare Part D?
In 2024, Cassandra Marie Farrell, DO had 1,114 Medicare Part D claims for 129 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.