Ronald L. Warner, MD
Internal Medicine Physician · Hyde Park, MA
Ronald L. Warner, MD is an internal medicine physician with a practice address in Hyde Park, Massachusetts, and NPI 1558356568, issued on Sep 15, 2005. Check the license (Massachusetts 081807, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Ronald L. Warner
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 081807 MA
Self-reported in NPPES; status is on the state search - Practice location
- 1337 Hyde Park Ave, Hyde Park, MA 02136
- Phone
- (617) 364-9880
- Enumerated
- Sep 15, 2005
- Record last updated
- Oct 9, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (617) 361-3663
- Medicaid ID
- 3141977 MA
- Medicare enrollment
- Enrolled (PECOS I20060103000042); accepts Medicare assignment
- Medical or professional school
- Pennsylvania State University College Of Medicine, 1992
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Also registered at 1337 Hyde Park Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Elizabeth Collins, PA-CMedical Physician Assistant1942159520
- John EastmanPhysician Assistant1720608912
- Victor Ferzoco, MDInternal Medicine Physician1396730396
- Jennifer Senkier, PAMedical Physician Assistant1225131303
Verify Ronald L. Warner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 081807Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.1 times the Medicare Part D claims of the average internal medicine physician in 2024
13,107 Medicare Part D claims for 553 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims. 331 claims were for opioids.
Most prescribed
- Atorvastatin Calcium865 claims
- Eliquis552 claims
- Amlodipine Besylate513 claims
- Losartan Potassium511 claims
- Metoprolol Succinate384 claims
- Furosemide331 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
- Brigham And Womens Physicians Organization IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ronald L. Warner among 6,825 internal medicine physician records in Massachusetts
Ronald L. Warner, MD is one of 6,825 internal medicine physician records with a practice address in Massachusetts. 75% 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, 88% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1992 · median 2004 among the 4,103 with a school on file
- Record last updated2012 · 64% 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 Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
7 internal medicine physician records list a practice address in Hyde Park
They are 7 of the 355 NPPES records with a practice address in Hyde Park, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Hyde Park → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Steven Carr, M.D.Boston, MA 021361447208335
- Victor Ferzoco, MDHyde Park, MA 021361396730396
- Ravi Kavasery, M.D.Hyde Park, MA 021361306166277
- James Mahoney, MD CMHyde Park, MA 021361114080116
- Joel Olubodun, M.D.Hyde Park, MA 021361700805835
- Rosemary Ryan, M.D.Hyde Park, MA 021361063551554
- Gregory Talalayevsky, M.D. PCHyde Park, MA 021361487699245
- Mohab AbdelhalimBoston, MA 021351871388496
Common questions
What is Ronald L. Warner, MD's NPI number?
Ronald L. Warner, MD's National Provider Identifier (NPI) is 1558356568, issued on Sep 15, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Ronald L. Warner, MD located?
The NPPES record lists a practice address at 1337 Hyde Park Ave, Hyde Park, MA, 02136. Phone: (617) 364-9880. Providers update this record themselves, so call before visiting.
How can I verify Ronald L. Warner, MD's license?
NPPES lists Massachusetts license number 081807, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ronald L. Warner, MD prescribe under Medicare Part D?
In 2024, Ronald L. Warner, MD had 13,107 Medicare Part D claims for 553 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.