Leonard R. Bertheau, D.O.
Diabetology (Family Medicine) Physician · Pawtucket, RI
Leonard R. Bertheau, D.O. is a diabetology (family medicine) physician with a practice address in Pawtucket, Rhode Island, and NPI 1912079500, issued on Nov 15, 2006. Check the license (Rhode Island DO01307, as entered in NPPES) on the Rhode Island Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Leonard R. Bertheau
- Credential
- D.O.
- Primary taxonomy
- Diabetology (Family Medicine) Physician 207QD0401X
- License number
- DO01307 RI
Self-reported in NPPES; status is on the state search - Practice location
- 111 Brewster St, Pawtucket, RI 02860
- Phone
- (401) 729-2304
- Enumerated
- Nov 15, 2006
- Record last updated
- Dec 18, 2025
- Fax
- (401) 729-2923
- Medicare enrollment
- Enrolled (PECOS I20240215003557); accepts Medicare assignment
- Medical or professional school
- Oklahoma State University College Of Osteopathic Medicine, 2004
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
All 1 in Rhode Island → Look up another NPI →
Also registered at 111 Brewster St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Denisse AbreuCommunity Health Worker1811643331
- Janet Ackman, PTPhysical Therapist1154488724
- Gowri Anandarajah, MDFamily Medicine Physician1558342311
- Tracey AndersonSpeech-Language Pathologist1780710863
- David Anthony, MDFamily Medicine Physician1508847377
- Lauren Aponte, PA-CPhysician Assistant1649942954
Verify Leonard R. Bertheau 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 DO01307Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
78% more Medicare Part D claims than the average diabetology (family medicine) physician in 2024
4,418 Medicare Part D claims for 816 beneficiaries, against an average of 2,485 among the 6 providers of this specialty who prescribed in Part D. Brand-name drugs were 53% of claims.
Most prescribed
- Metformin Hcl337 claims
- Jardiance332 claims
- Lantus Solostar282 claims
- Metformin Hcl Er213 claims
- Trulicity211 claims
- Atorvastatin Calcium164 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.
The MIPS final score for 2023 (Medicare payment program): 97.8 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $466.73
11 payments; by number, the most common kind was food and beverage; the largest payer was Insulet Corporation. The 6 providers of this specialty with any payment received $42,381.82 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.
Bills Medicare through one group practice
- Affinity Physicians LLC.Warwick, RI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Diabetology (Family Medicine) Physician providers in Rhode Island
There are 1 diabetology (family medicine) physician records in Rhode Island.
All 1 in Rhode Island → Every provider in Pawtucket → Diabetology (Family Medicine) Physician nationwide →
Common questions
What is Leonard R. Bertheau, D.O.'s NPI number?
Leonard R. Bertheau, D.O.'s National Provider Identifier (NPI) is 1912079500, issued on Nov 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Leonard R. Bertheau, D.O. located?
The NPPES record lists a practice address at 111 Brewster St, Pawtucket, RI, 02860. Phone: (401) 729-2304. Providers update this record themselves, so call before visiting.
How can I verify Leonard R. Bertheau, D.O.'s license?
NPPES lists Rhode Island license number DO01307, 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 Leonard R. Bertheau, D.O. prescribe under Medicare Part D?
In 2024, Leonard R. Bertheau, D.O. had 4,418 Medicare Part D claims for 816 beneficiaries; the average among diabetology (family medicine) physician prescribers was 2,485. Part D covers Medicare prescriptions only.
What is Leonard R. Bertheau, D.O.'s MIPS final score?
The 2023 MIPS final score is 97.8 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.