Doctor profile · Federal record

Dr. Burton Rubin, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Old Greenwich, CT

  • NPI 1134105414
  • Accepts Medicare
  • MIPS 90.8 / 100 · 2023
  • 38 yrs in practice
  • Male
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
8 W End Ave
Old Greenwich, CT 068701642
(203) 637-5406

Credentials & registration

NPPES · NUCC
NPI registered
December 2005 — 21 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1988 — 38 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Connecticut #31499

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1134105414. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,846
Distinct HCPCS
10
Medicare allowed
$160,526
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 543 299 $96
99215 Established patient office or other outpatient visit, 40-54 minutes 323 290 $191
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 298 284 $16
96127 Assessment of emotional or behavioral problems 254 254 $5
99214 Established patient office or other outpatient visit, 30-39 minutes 205 136 $135
G0008 Administration of influenza virus vaccine 85 85 $33
90662 Influenza vaccine split virus, preservative free 84 84 $72
81002 Urinalysis, manual test 28 19 $3
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 13 13 $282
G0009 Administration of pneumococcal vaccine 13 13 $33

In context: peer comparison

Among 6 peers in Old Greenwich Internal Medicine Physician, average services per provider: 110. This provider delivers 17× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$48
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Novo Nordisk INC 2 $48.47

By nature of payment

Food and Beverage
$48

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,716
Patients
745
Total drug cost
$37,306
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 760 206 $8,829
Amlodipine Besylate Generic 245 65 $2,089
Rosuvastatin Calcium Generic 231 69 $6,752
Levothyroxine Sodium Generic 191 55 $3,376
Lisinopril Generic 185 48 $1,661
Losartan Potassium Generic 165 44 $2,345
Metformin Hcl Generic 134 40 $1,512
Simvastatin Generic 131 35 $1,345
Allopurinol Generic 117 34 $1,634
Hydrochlorothiazide Generic 111 30 $528

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Burton Rubin's medical specialty?
Dr. Burton Rubin practices Internal Medicine Physician in Old Greenwich, CT.
Where does Dr. Burton Rubin practice?
Dr. Burton Rubin practices at 8 W End Ave, Old Greenwich, CT 068701642. Office phone: 2036375406.
What is Dr. Burton Rubin's NPI?
Dr. Burton Rubin's National Provider Identifier (NPI) is 1134105414, issued by NPPES.
Does Dr. Burton Rubin accept Medicare assignment?
Yes. Dr. Burton Rubin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Burton Rubin commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99215); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS 93000). Source: CMS Medicare Physician & Other Practitioners file.