Quick answers
- Does Srikant Sivaraman accept Medicare assignment?
- Yes. Medicare's clinician data says Srikant Sivaraman accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Srikant Sivaraman see?
- In 2024, CMS data shows 197 Original Medicare patients and 1,293 services for Srikant Sivaraman. This counts Original Medicare only and measures volume, not quality.
- What is Srikant Sivaraman's NPI number?
- 1881959005. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Srikant Sivaraman, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 197 |
|---|---|
| Services billed to Medicare | 1,293 |
| Different services or procedures | 121 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)210 services
- Smoking and tobacco use intensive counseling, 4-10 minutes (99406)111 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)105 services
- Ultrasound study of arm and leg arteries (93922)96 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)96 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis58%
- Ischemic heart disease54%
- Chronic kidney disease48%
- Diabetes46%
Hospitals where Srikant Sivaraman works
Medicare's Facility Affiliation Data lists Srikant Sivaraman at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- AdventHealth LittletonLittleton, CO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 060113
- AdventHealth PorterDenver, CO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 060064
- HCA HealthONE RoseDenver, CO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 060032
- Hca-Healthone dba Swedish Medical CenterEnglewood, CO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 060034
- Sky Ridge Medical CenterLone Tree, CO · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 060112
Practice locations
Addresses where Srikant Sivaraman is enrolled with Medicare (CMS data updated October 2, 2026).
- 500 E Hampden Ave, Suite 204Englewood, CO 80113 (303) 778‑6527
Group practices
Medicare enrollment lists Srikant Sivaraman as a member of this group (CMS data updated October 2, 2026).
- Colorado Cardiovascular Surgical Associates, P.C.5 clinicians in the group
Specialties
- Vascular Surgeryprimary
Other vascular surgeons in Englewood
Clinicians with the same Medicare primary specialty in Englewood, CO — not a recommendation.
Other clinicians in Colorado Cardiovascular Surgical Associates, P.C.
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2012 (14 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1881959005 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians