DR. SRINIVAS IYENGAR (M.D.) – Interventional Cardiology Physician, NPI 1073737664
Interventional Cardiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
497 CARDIOVASCULAR DISEASE (CARDIOLOGY) in CO
Provider Addresses for DR. SRINIVAS IYENGAR (M.D.)
5450 WESTERN AVE STE B
BOULDER, CO 803012709
Phone: (303) 442-2395
Fax: (303) 442-1073
Type: Mailing
4743 ARAPAHOE AVE STE 201
BOULDER, CO 803031128
Phone: (303) 442-2395
Fax: (303) 442-1073
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 204 Open Payments records for all available years, with a total value of $78,619.
Total Amount is formed as General ($78,619) + Research ($0) + Ownership ($0) = $78,619.
Last reported payment date: 2024-12-31 • Largest payer in this snapshot: Medtronic, Inc. ($45,100).
Total Amount
$78,619
General + Research + Ownership
Payments
204
Total payment records
General Amount
$78,619
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-31
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Medtronic, Inc. | $45,100 |
| Boston Scientific Corporation | $25,197 |
| ShockWave Medical, Inc | $7,022 |
| Abbott Laboratories | $1,069 |
| Shockwave Medical, Inc | $159 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2017-10-04
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20171004000866 | I | Interventional Cardiology | CO | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 93306 | Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | 397 | 360 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 391 | 243 | $0 |
| 93010 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 382 | 327 | $0 |
| 93016 | Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician | 138 | 137 | $0 |
| 93018 | Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician | 138 | 137 | $0 |
Insurance plans in this area (ZIP 80301)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| INTERVENTIONAL CARDIOLOGY | CO | 92928 | Catheter insertion of stents in major coronary artery or branch, accessed through the skin | 44 | 29 |
| INTERVENTIONAL CARDIOLOGY | CO | 93280 | Evaluation, testing, and programming adjustment of permanent dual lead pacemaker system with physician analysis, review, and report | 18 | 13 |
| INTERVENTIONAL CARDIOLOGY | CO | 93926 | Ultrasound study of arteries and arterial grafts of one leg or limited | 18 | 16 |
| INTERVENTIONAL CARDIOLOGY | CO | 93971 | Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers | 30 | 30 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | CO | |
| Family Practice | CO | |
| Internal Medicine | MI | |
| - | CO | |
| Hospitalist, Internal Medicine | CO | |
| Vascular Surgery | CO | |
| - | CO | |
| - | CO | |
| Internal Medicine | CO | |
| Physician Assistant | CO |
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