Quick answers
- Does Kirubakaran Siva accept Medicare assignment?
- Yes. Medicare's clinician data says Kirubakaran Siva 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 Kirubakaran Siva see?
- In 2024, CMS data shows 2,597 Original Medicare patients and 11,795 services for Kirubakaran Siva. This counts Original Medicare only and measures volume, not quality.
- What is Kirubakaran Siva's NPI number?
- 1649657594. 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 Kirubakaran Siva, 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 | 2,597 |
|---|---|
| Services billed to Medicare | 11,795 |
| Different services or procedures | 64 |
| Participating Medicare provider | Yes |
| Average age of these patients | 78 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)4,002 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)1,448 services
- Hospital discharge day management, more than 30 minutes (99239)1,399 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)931 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)682 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%
- Arthritis61%
- Ischemic heart disease48%
- Anxiety48%
- Depression41%
Hospitals where Kirubakaran Siva works
Medicare's Facility Affiliation Data lists Kirubakaran Siva 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.
- Anna Jaques HospitalNewburyport, MA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 220029
- Beth Israel Deaconess Medical CenterBoston, MA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 220086
- Lahey Hospital & Medical Center, BurlingtonBurlington, MA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 220171
- Northeast Hospital CorporationBeverly, MA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 220033
- Portsmouth Regional HospitalPortsmouth, NH · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 300029
Practice locations
Addresses where Kirubakaran Siva is enrolled with Medicare (CMS data updated October 2, 2026).
- 1 Wallace Bashaw Way, Suite 1002Newburyport, MA 01950 (978) 255‑2612
- 15 Railroad AveSouth Hamilton, MA 01982 (978) 468‑7381
Group practices
Medicare enrollment lists Kirubakaran Siva as a member of these groups (CMS data updated October 2, 2026).
- Beth Israel Lahey Health Primary Care, Inc353 clinicians in the group
- United Family Medical Center, LLC11 clinicians in the group
Specialties
- Internal Medicineprimary
- Hospitalistalso
Other internal medicine doctors in Newburyport
Clinicians with the same Medicare primary specialty in Newburyport, MA — not a recommendation.
Other clinicians in Beth Israel Lahey Health Primary Care, Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2015 (11 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1649657594 |
| 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