Doctor profile · Federal record

Dr. Srinivas Iyengar, M.D.

Interventional Cardiology Physician (CMS: Interventional Cardiology) · Cardiovascular Disease Physician · Internal Medicine Physician · Boulder, CO

  • NPI 1073737664
  • Accepts Medicare
  • 26 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4743 Arapahoe Ave Ste 201
Boulder, CO 803031128
(303) 442-2395
fax (303) 442-1073
Mailing address
5450 Western Ave Ste B
Boulder, CO 803012709

Credentials & registration

NPPES · NUCC
NPI registered
April 2007 — 19 yrs on file
Profile last updated
November 9, 2017
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
207RI0011X — NUCC code
State license (1)
Colorado #DR.0059068

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1073737664. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,207
Distinct HCPCS
10
Medicare allowed
$221,367
HCPCS Description Services Patients Avg allowed
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 379 342 $68
99214 Established patient office or other outpatient visit, 30-39 minutes 374 228 $129
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 268 231 $8
93016 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician 138 137 $21
93018 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician 138 137 $14
99213 Established patient office or other outpatient visit, 20-29 minutes 133 117 $91
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 114 96 $8
78452 Nuclear medicine studies of heart muscle at rest and with stress and spect 101 101 $76
99204 New patient office or other outpatient visit, 45-59 minutes 60 60 $167
99238 Hospital discharge day management, 30 minutes or less 53 49 $81

In context: peer comparison

Among 3 peers in this city , average services per provider: 82. This provider delivers 27× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$45,661
Transactions
123
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
Medtronic, Inc. 57 $26,082.98
Boston Scientific Corporation 52 $18,307.60
Abbott Laboratories 10 $1,068.79
ShockWave Medical, Inc 2 $159.26
Edwards Lifesciences Corporation 1 $28.15
ATRICURE, INC. 1 $14.40

By nature of payment

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program
$38,313
Travel and Lodging
$3,913
Food and Beverage
$3,436

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,574
Patients
547
Total drug cost
$228,514
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 213 71 $2,715
Metoprolol Tartrate Generic 196 62 $1,815
Losartan Potassium Generic 173 56 $3,021
Eliquis (Apixaban) Brand 166 48 $209,100
Clopidogrel (Clopidogrel Bisulfate) Brand 161 62 $3,085
Amlodipine Besylate Generic 158 49 $1,259
Lisinopril Generic 100 32 $985
Carvedilol Generic 75 27 $1,193
Furosemide Generic 71 27 $376
Metoprolol Succinate Generic 61 25 $1,414

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Srinivas Iyengar's medical specialty?
Dr. Srinivas Iyengar practices Interventional Cardiology Physician in Boulder, CO.
Where does Dr. Srinivas Iyengar practice?
Dr. Srinivas Iyengar practices at 4743 Arapahoe Ave Ste 201, Boulder, CO 803031128. Office phone: 3034422395.
What is Dr. Srinivas Iyengar's NPI?
Dr. Srinivas Iyengar's National Provider Identifier (NPI) is 1073737664, issued by NPPES.
Does Dr. Srinivas Iyengar accept Medicare assignment?
Yes. Dr. Srinivas Iyengar accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Srinivas Iyengar commonly perform?
Top Medicare-reported procedures in 2023: Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (HCPCS 93306); Established patient office or other outpatient visit (HCPCS 99214); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010). Source: CMS Medicare Physician & Other Practitioners file.