Quick answers
- Does Akshai A. Subramanian accept Medicare assignment?
- Yes. Medicare's clinician data says Akshai A. Subramanian 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 Akshai A. Subramanian see?
- In 2024, CMS data shows 637 Original Medicare patients and 1,134 services for Akshai A. Subramanian. This counts Original Medicare only and measures volume, not quality.
- What is Akshai A. Subramanian's NPI number?
- 1831551100. 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 Akshai A. Subramanian, 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 | 637 |
|---|---|
| Services billed to Medicare | 1,134 |
| Different services or procedures | 37 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)339 services
- Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)175 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)116 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)53 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)51 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%
- Arthritis46%
- Ischemic heart disease43%
- Atrial fibrillation39%
- Heart failure37%
Hospitals where Akshai A. Subramanian works
Medicare's Facility Affiliation Data lists Akshai A. Subramanian 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.
- Legacy Emanuel Medical CenterPortland, OR · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 380007
- Legacy Good Samaritan Medical CenterPortland, OR · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 380017
- Legacy Meridian Park Medical CenterTualatin, OR · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 380089
- Legacy Mount Hood Medical CenterGresham, OR · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 380025
- Legacy Salmon Creek Medical CenterVancouver, WA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 500150
Practice locations
Addresses where Akshai A. Subramanian is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 8; the Medicare profile lists all.
- 1015 NW 22nd AvePortland, OR 97210 (503) 413‑7582
- 1040 NW 22nd Ave, Suite 660Portland, OR 97210 (503) 413‑7162
- 19300 SW 65th AveTualatin, OR 97062 (503) 413‑4330
- 2121 NE 139th StVancouver, WA 98686
- 2211 NE 139th StVancouver, WA 98686
Group practices
Medicare enrollment lists Akshai A. Subramanian as a member of these groups (CMS data updated October 2, 2026).
- Legacy Clinics LLC713 clinicians in the group
- Legacy Salmon Creek Hospital301 clinicians in the group
- Legacy Emanuel Hospital and Health Center238 clinicians in the group
- Legacy Good Samaritan Hospital and Medical Center191 clinicians in the group
- Legacy Meridian Park Hospital115 clinicians in the group
- Legacy Mount Hood Medical Center59 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Oregon →
Other cardiologists in Portland
Clinicians with the same Medicare primary specialty in Portland, OR — not a recommendation.
Other clinicians in Legacy Clinics LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of California, San Diego School Of Medicine |
| Graduation year | 2016 (10 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) | 1831551100 |
| 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