Doctor profile · Federal record

Dr. Muthiah Vaduganathan, MD, MPH

Cardiovascular Disease Physician (CMS: Cardiovascular Disease (Cardiology)) · Internal Medicine Physician · Boston, MA

  • NPI 1023370467
  • Accepts Medicare
  • 14 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
Massachusetts General Hospital, 55 Fruit St.
Boston, MA 02114
(617) 726-2865
Mailing address
375 Boylston St
Brookline, MA 024456007

Credentials & registration

NPPES · NUCC
NPI registered
June 2012 — 14 yrs on file
Profile last updated
July 23, 2019
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
207RC0000X — NUCC code
State licenses (2)
Massachusetts #262691 · Massachusetts #L-251738

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1023370467. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
424
Distinct HCPCS
6
Medicare allowed
$41,821
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 218 53 $84
99214 Established patient office or other outpatient visit, 30-39 minutes 97 73 $104
99238 Hospital discharge day management, 30 minutes or less 39 39 $87
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 37 37 $138
99215 Established patient office or other outpatient visit, 40-54 minutes 22 20 $153
99204 New patient office or other outpatient visit, 45-59 minutes 11 11 $142

In context: peer comparison

Among 134 peers in Boston Cardiovascular Disease Physician, average services per provider: 118. This provider delivers 3.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$250,486
Transactions
101
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Lexicon Pharmaceuticals, INC. 10 $42,730.72
Boehringer Ingelheim International GmbH 13 $35,569.43
AstraZeneca Pharmaceuticals Lp 18 $30,819.57
Boehringer Ingelheim Pharmaceuticals, INC. 5 $25,728.24
Novo Nordisk As 6 $24,255.60
AstraZeneca Uk Limited 15 $20,917.96
Pharmacosmos Therapeutics INC. 2 $20,008.60
Roche Diagnostics International LTD 8 $15,386.92
Novo Nordisk INC 1 $6,200.00
Bayer Healthcare Pharmaceuticals INC. 10 $5,857.02
E.R. Squibb & Sons, L.L.C. 3 $4,782.25
Merck Sharp & Dohme LLC 7 $4,734.94
American Regent 1 $4,320.00
Lilly USA, LLC 1 $3,600.00
Idorsia Pharmaceuticals US INC 1 $3,540.00

By nature of payment

Consulting Fee
$182,771
Travel and Lodging
$52,380
Compensation for Services Other Than Consulting, Including Serving As Faculty or As A Speaker at A Venue Other Than A Continuing Education Program
$12,496
Food and Beverage
$2,839

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
765
Patients
195
Total drug cost
$269,466
Drug Type Claims Patients Total cost
Metoprolol Succinate Generic 158 48 $6,518
Atorvastatin Calcium Generic 125 39 $2,938
Eliquis (Apixaban) Brand 72 17 $92,255
Amlodipine Besylate Generic 55 15 $435
Jardiance (Empagliflozin) Brand 52 19 $89,229
Spironolactone Generic 51 18 $956
Farxiga (Dapagliflozin Propanediol) Brand 46 12 $49,500
Ezetimibe Generic 39 14 $1,808
Lisinopril Generic 38 13 $565
Losartan Potassium Generic 34 0 $455

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Muthiah Vaduganathan's medical specialty?
Dr. Muthiah Vaduganathan practices Cardiovascular Disease Physician in Boston, MA.
Where does Dr. Muthiah Vaduganathan practice?
Dr. Muthiah Vaduganathan practices at Massachusetts General Hospital, Boston, MA 02114. Office phone: 6177262865.
What is Dr. Muthiah Vaduganathan's NPI?
Dr. Muthiah Vaduganathan's National Provider Identifier (NPI) is 1023370467, issued by NPPES.
Does Dr. Muthiah Vaduganathan accept Medicare assignment?
Yes. Dr. Muthiah Vaduganathan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Muthiah Vaduganathan commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99214); Hospital discharge day management (HCPCS 99238). Source: CMS Medicare Physician & Other Practitioners file.