Christopher A. Ferri, D.O
Internal Medicine Physician · Johnston, RI
Christopher A. Ferri, D.O is an internal medicine physician with a practice address in Johnston, Rhode Island, and NPI 1952740250, issued on Jun 19, 2013. Check the license on the Rhode Island Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Christopher A. Ferri
- Credential
- D.O
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 256574 MA
Self-reported in NPPES; status is on the state search - Practice location
- 1539 Atwood Ave, Johnston, RI 02919
- Phone
- (401) 272-3410
- Enumerated
- Jun 19, 2013
- Record last updated
- Aug 2, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (401) 272-3417
- Medicare enrollment
- Enrolled (PECOS I20160908000053); accepts Medicare assignment
- Medical or professional school
- University Of New England, College Of Osteo Medicine, 2013
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,033 in Rhode Island → Look up another NPI →
Also registered at 1539 Atwood Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lucas Ackermann, DPTPhysical Therapist1336826320
- Lucinda Barnard, MDEndocrinology, Diabetes & Metabolism Physician1457496143
- Michael BiscontiPhysical Therapist1215452776
- David Dixon, PTPhysical Therapist1861379299
- Fred Ferri, MDInternal Medicine Physician1013903400
- Levi GuertinPhysical Therapist1295607034
Verify Christopher A. Ferri 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
46% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,726 Medicare Part D claims for 213 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.
Most prescribed
- Atorvastatin Calcium154 claims
- Lisinopril91 claims
- Rosuvastatin Calcium91 claims
- Losartan Potassium86 claims
- Levothyroxine Sodium67 claims
- Prednisone63 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
- Ocean State Medical, LLCJohnston, RI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christopher A. Ferri among 1,033 internal medicine physician records in Rhode Island
Christopher A. Ferri, D.O 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 2013, is newer than 55% of them.
- NPI issued2013 · 55% of these records are older, 42% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2013 · 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).
18 internal medicine physician records list a practice address in Johnston
They are 18 of the 561 NPPES records with a practice address in Johnston, and 1,033 internal medicine physician records in Rhode Island.
All 1,033 in Rhode Island → Every provider in Johnston → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Marcel Bavoux, D.O.Johnston, RI 029191508990557
- William Beliveau, MDJohnson, RI 029191578588067
- P Canchis, MDJohnston, RI 029191518018811
- Angelo Dicenso, M.D.Johnston, RI 029191952395022
- Fred Ferri, MDJohnston, RI 029191013903400
- Vito Ferri, D.O.Johnston, RI 029191518288075
- Kathleen Gordon, DOJohnston, RI 029191861417354
- James Gosper, MDJohnston, RI 029191205851979
Common questions
What is Christopher A. Ferri, D.O's NPI number?
Christopher A. Ferri, D.O's National Provider Identifier (NPI) is 1952740250, issued on Jun 19, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Christopher A. Ferri, D.O located?
The NPPES record lists a practice address at 1539 Atwood Ave, Johnston, RI, 02919. Phone: (401) 272-3410. Providers update this record themselves, so call before visiting.
How can I verify Christopher A. Ferri, D.O'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 Christopher A. Ferri, D.O prescribe under Medicare Part D?
In 2024, Christopher A. Ferri, D.O had 1,726 Medicare Part D claims for 213 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.