Srinivas Iyengar, M.D.
NPI 1073737664 · Interventional Cardiology Physician · Boulder, CO
Enrolled with Medicare as Practitioner - Interventional Cardiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Srinivas Iyengar, M.D. is a Interventional Cardiology Physician provider in Boulder, CO (NPI 1073737664).
Provider details
- NPI number
- 1073737664
- Entity type
- Individual
- Primary specialty
- Interventional Cardiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- DR.0059068 (CO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,997 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 397 | $67 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 250 | $128 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 212 | $8 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 141 | $91 |
| Exercise Or Drug-Induced Heart Stress Test With Electrocardiogram (ecg) With Supervision By Physician93016 | 129 | $21 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 35 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 213 | 62 |
| Losartan Potassium | 192 | 58 |
| Metoprolol Tartrate | 188 | 74 |
| Amlodipine Besylate | 181 | 59 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 172 | 70 |
| Apixabanbrand: Eliquis | 167 | 53 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$45,661 across 123 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-04-13
- Last updated
- 2017-11-09
Frequently asked questions
- What is Srinivas Iyengar's NPI number?
- Srinivas Iyengar's National Provider Identifier (NPI) is 1073737664, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Srinivas Iyengar's specialty?
- Srinivas Iyengar is listed in the NPPES registry with a primary specialty of Interventional Cardiology Physician (Allopathic & Osteopathic Physicians).
- Where is Srinivas Iyengar located?
- Srinivas Iyengar's practice location on file with NPPES is 4743 Arapahoe Ave Ste 201, Boulder, CO 80303-1128.
- What is Srinivas Iyengar's phone number?
- The practice phone number listed in the NPPES registry for Srinivas Iyengar is (303) 442-2395.
- Does Srinivas Iyengar accept Medicare?
- Srinivas Iyengar is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Srinivas Iyengar's NPI active?
- Yes — Srinivas Iyengar's NPI (1073737664) is active in the NPPES registry as of the last update on 2017-11-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.