Joan Harrison, M.D.
Internal Medicine Physician · Tiverton, RI
Joan Harrison, M.D. is an internal medicine physician with a practice address in Tiverton, Rhode Island, and NPI 1164424123, issued on Jun 2, 2005. Check the license on the Rhode Island Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Joan Harrison
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 82181 MA
Self-reported in NPPES; status is on the state search - Practice location
- 546 Main RD, Tiverton, RI 02878
- Phone
- (401) 624-8200
- Enumerated
- Jun 2, 2005
- Record last updated
- Nov 2, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (401) 624-8345
- Medicare enrollment
- Enrolled (PECOS I20120202000435); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,033 in Rhode Island → Look up another NPI →
Also registered at 546 Main RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Virginia Cerbo, LICSWClinical Social Worker1336248442
Verify Joan Harrison in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersRhode Island Board of Medical Licensure and DisciplineCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.9 times the Medicare Part D claims of the average internal medicine physician in 2024
9,248 Medicare Part D claims for 595 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 496 claims were for opioids.
Most prescribed
- Atorvastatin Calcium623 claims
- Lisinopril441 claims
- Amlodipine Besylate349 claims
- Levothyroxine Sodium338 claims
- Losartan Potassium269 claims
- Omeprazole247 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
- Prima Care, PCNewport, RI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joan Harrison among 1,033 internal medicine physician records in Rhode Island
Joan Harrison, M.D. is one of 1,033 internal medicine physician records with a practice address in Rhode Island. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 90% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated1986 · median 2006 among the 590 with a school on file
- Record last updated2016 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Rhode Island practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2 internal medicine physician records list a practice address in Tiverton
They are 2 of the 133 NPPES records with a practice address in Tiverton, and 1,033 internal medicine physician records in Rhode Island.
All 1,033 in Rhode Island → Every provider in Tiverton → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Franklin Scheel, MDTiverton, RI 028781710292123
- Paul Barratt, M.D.Wakefield, RI 028791528007432
- Kristine Cunniff, DOWakefield, RI 028791568400653
- Rikhi D'Souza, DOWakefield, RI 028791215924063
- Nitin Damle, MDWakefield, RI 028791457399388
- Heidi Dorris, M.D.Wakefield, RI 028791639175482
- Bruce Famiglietti, MDWakefield, RI 028791356389571
- Shelly Johnson, MDSouth Kingstown, RI 028791528055191
Common questions
What is Joan Harrison, M.D.'s NPI number?
Joan Harrison, M.D.'s National Provider Identifier (NPI) is 1164424123, issued on Jun 2, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Joan Harrison, M.D. located?
The NPPES record lists a practice address at 546 Main RD, Tiverton, RI, 02878. Phone: (401) 624-8200. Providers update this record themselves, so call before visiting.
How can I verify Joan Harrison, M.D.'s license?
Search the Rhode Island Board of Medical Licensure and Discipline at https://healthri.mylicense.com/Verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Joan Harrison, M.D. prescribe under Medicare Part D?
In 2024, Joan Harrison, M.D. had 9,248 Medicare Part D claims for 595 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.