Doctor profile · Federal record

Dr. Mohan Viswanathan, M.D.

Clinical Cardiac Electrophysiology Physician (CMS: Cardiac Electrophysiology) · Internal Medicine Physician · Cardiovascular Disease Physician · Stanford, CA

  • NPI 1689898397
  • Accepts Medicare
  • MIPS 75.5 / 100 · 2023
  • 27 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
300 Pasteur Dr
Stanford, CA 943052200
(650) 723-4000

Credentials & registration

NPPES · NUCC
NPI registered
April 2007 — 19 yrs on file
Profile last updated
April 26, 2024
Year of graduation
1999 — 27 yrs since
Specialty taxonomy
207RC0001X — NUCC code
State license (1)
California #A 80904

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1689898397. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,163
Distinct HCPCS
10
Medicare allowed
$242,308
HCPCS Description Services Patients Avg allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 774 672 $9
99215 Established patient office or other outpatient visit, 40-54 minutes 196 172 $166
93294 Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days 176 102 $34
93248 Heart rhythm review and interpretation of continous external ekg over 8-15 days 125 121 $30
93295 Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days 104 58 $43
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 100 92 $200
99205 New patient office or other outpatient visit, 60-74 minutes 89 89 $207
93280 Programming of dual lead pacemaker system 85 71 $43
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 56 43 $137
93655 Insertion of catheters and destruction of tissue to treat abnormal heart rhythm 47 34 $335

In context: peer comparison

Among 7 peers in this city , average services per provider: 92. This provider delivers 24× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$3,857
Transactions
21
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Abbott Laboratories 15 $2,083.25
Boston Scientific Corporation 3 $1,488.97
Medtronic, Inc. 2 $149.23
Biosense Webster, Inc. 1 $135.58

By nature of payment

Travel and Lodging
$2,715
Food and Beverage
$1,142

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
697
Patients
257
Total drug cost
$336,945
Drug Type Claims Patients Total cost
Eliquis (Apixaban) Brand 165 60 $223,272
Metoprolol Succinate Generic 138 55 $3,489
Amiodarone Hcl Generic 60 28 $2,277
Xarelto (Rivaroxaban) Brand 50 18 $81,396
Dofetilide Generic 48 15 $16,267
Flecainide Acetate Generic 45 19 $2,471
Diltiazem 24hr Er (Cd) (Diltiazem Hcl) Brand 39 13 $1,446
Pantoprazole Sodium Generic 37 36 $297
Mexiletine Hcl Generic 26 0 $4,691
Sotalol (Sotalol Hcl) Brand 26 0 $690

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mohan Viswanathan's medical specialty?
Dr. Mohan Viswanathan practices Clinical Cardiac Electrophysiology Physician in Stanford, CA.
Where does Dr. Mohan Viswanathan practice?
Dr. Mohan Viswanathan practices at 300 Pasteur Dr, Stanford, CA 943052200. Office phone: 6507234000.
What is Dr. Mohan Viswanathan's NPI?
Dr. Mohan Viswanathan's National Provider Identifier (NPI) is 1689898397, issued by NPPES.
Does Dr. Mohan Viswanathan accept Medicare assignment?
Yes. Dr. Mohan Viswanathan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mohan Viswanathan commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Established patient office or other outpatient visit (HCPCS 99215); Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days (HCPCS 93294). Source: CMS Medicare Physician & Other Practitioners file.