Burton Richard Rubin, M.D.
Internal Medicine Physician · Old Greenwich, CT
Burton Richard Rubin, M.D. is an internal medicine physician with a practice address in Old Greenwich, Connecticut, and NPI 1134105414, issued on Dec 19, 2005. Check the license (Connecticut 31499, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Burton Richard Rubin
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 31499 CT
Self-reported in NPPES; status is on the state search - Practice location
- 8 W End Ave, Old Greenwich, CT 06870
- Phone
- (203) 637-5406
- Enumerated
- Dec 19, 2005
- Record last updated
- Jul 13, 2026
- Medicare enrollment
- Enrolled (PECOS I20081027000844); accepts Medicare assignment
- Medical or professional school
- Albert Einstein College Of Medicine Of Yeshiva University, 1988
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,623 in Connecticut → Look up another NPI →
Also registered at 8 W End Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kimberly Asante, MDPediatrics Physician1952896599
- Therese Bernstein, APRNPediatric Nurse Practitioner1033459334
- Alison Cass, M.D.Pediatrics Physician1942373113
- Jessica EpsteinPediatrics Physician1902260755
- Amy Kappelman, M.D.Pediatrics Physician1275733651
- Melanie Kelton, M.D.Internal Medicine Physician1083918577
Verify Burton Richard Rubin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 31499Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
73% more Medicare Part D claims than the average internal medicine physician in 2024
5,480 Medicare Part D claims for 587 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 13 claims were for opioids.
Most prescribed
- Atorvastatin Calcium770 claims
- Amlodipine Besylate264 claims
- Rosuvastatin Calcium261 claims
- Levothyroxine Sodium199 claims
- Losartan Potassium199 claims
- Lisinopril170 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): 94.2 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: $48.47
2 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. 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.
Bills Medicare through 2 group practices
- Old Greenwich Medical Group LLCOld Greenwich, CT
- Rebecca Warkol MD LLCOld Greenwich, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Burton Richard Rubin among 2,623 internal medicine physician records in Connecticut
Burton Richard Rubin, M.D. is one of 2,623 internal medicine physician records with a practice address in Connecticut. 81% 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, 89% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1988 · median 2004 among the 1,646 with a school on file
- Record last updated2026 · 61% 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 Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
6 internal medicine physician records list a practice address in Old Greenwich
They are 6 of the 161 NPPES records with a practice address in Old Greenwich, and 2,623 internal medicine physician records in Connecticut.
All 2,623 in Connecticut → Every provider in Old Greenwich → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Melanie Kelton, M.D.Old Greenwich, CT 068701083918577
- Craig Olin, MDOld Greenwich, CT 068701588776173
- Jayne Pincus, M.D.Old Greenwich, CT 068701922166529
- Edra Stern, MDOld Greenwich, CT 068701164624557
- Rebecca Warkol, MDOld Greenwich, CT 068701184820110
- Mark Anderson, M.D.Ridgefield, CT 068771679640866
- Lauren Bumby, M.D.Ridgefield, CT 068771407909302
- Jay D'Orso, MDRidgefield, CT 068771578571121
Common questions
What is Burton Richard Rubin, M.D.'s NPI number?
Burton Richard Rubin, M.D.'s National Provider Identifier (NPI) is 1134105414, issued on Dec 19, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Burton Richard Rubin, M.D. located?
The NPPES record lists a practice address at 8 W End Ave, Old Greenwich, CT, 06870. Phone: (203) 637-5406. Providers update this record themselves, so call before visiting.
How can I verify Burton Richard Rubin, M.D.'s license?
NPPES lists Connecticut license number 31499, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Burton Richard Rubin, M.D. prescribe under Medicare Part D?
In 2024, Burton Richard Rubin, M.D. had 5,480 Medicare Part D claims for 587 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Burton Richard Rubin, M.D.'s MIPS final score?
The 2023 MIPS final score is 94.2 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.