Charles L. Cronin, DO
Internal Medicine Physician · East Greenwich, RI
Charles L. Cronin, DO is an internal medicine physician with a practice address in East Greenwich, Rhode Island, and NPI 1740383389, issued on Sep 7, 2006. Check the license (Rhode Island DO00446, as entered in NPPES) on the Rhode Island Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Charles L. Cronin
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- DO00446 RI
Self-reported in NPPES; status is on the state search - Practice location
- 2358 South County Trail, East Greenwich, RI 02818
- Phone
- (401) 886-6000
- Enumerated
- Sep 7, 2006
- Record last updated
- Sep 10, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (401) 886-6002
- Medicaid ID
- 9020332 RI
- Medicare enrollment
- Enrolled (PECOS I20080801000117); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,033 in Rhode Island → Look up another NPI →
Also registered at 2358 South County Trail
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Herbert Brennan, DOInternal Medicine Physician1659489060
Verify Charles L. Cronin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersRhode Island Board of Medical Licensure and Discipline
Search for license DO00446Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% more Medicare Part D claims than the average internal medicine physician in 2024
5,726 Medicare Part D claims for 354 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 63 claims were for opioids.
Most prescribed
- Atorvastatin Calcium333 claims
- Omeprazole305 claims
- Amlodipine Besylate262 claims
- Levothyroxine Sodium190 claims
- Lisinopril154 claims
- Metoprolol Succinate121 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.
Industry payments in 2024: $175.29
3 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Charles L. Cronin among 1,033 internal medicine physician records in Rhode Island
Charles L. Cronin, DO 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 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 62% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated1993 · median 2006 among the 590 with a school on file
- Record last updated2008 · 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).
25 internal medicine physician records list a practice address in East Greenwich
They are 25 of the 599 NPPES records with a practice address in East Greenwich, and 1,033 internal medicine physician records in Rhode Island.
All 1,033 in Rhode Island → Every provider in East Greenwich → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Herbert Brennan, DOEast Greenwich, RI 028181659489060
- David Candow, MDEast Greenwich, RI 028181457365363
- Dana Chofay, MDEast Greenwich, RI 028181811943525
- Frank D'Alessandro, MD INCEast Greenwich, RI 028181225018955
- Richard Delsesto, MDEast Greenwich, RI 028181942318357
- David Fried, MDEast Greenwich, RI 028181275520678
- Denise Glickman, MDEast Greenwich, RI 028181033158647
- Richard Leach, DOEast Greenwich, RI 028181407852155
Common questions
What is Charles L. Cronin, DO's NPI number?
Charles L. Cronin, DO's National Provider Identifier (NPI) is 1740383389, issued on Sep 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Charles L. Cronin, DO located?
The NPPES record lists a practice address at 2358 South County Trail, East Greenwich, RI, 02818. Phone: (401) 886-6000. Providers update this record themselves, so call before visiting.
How can I verify Charles L. Cronin, DO's license?
NPPES lists Rhode Island license number DO00446, as entered by the provider. 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 Charles L. Cronin, DO prescribe under Medicare Part D?
In 2024, Charles L. Cronin, DO had 5,726 Medicare Part D claims for 354 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.