Quick answers
- Does Santosh S. Oommen accept Medicare assignment?
- Yes. Medicare's clinician data says Santosh S. Oommen 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 Santosh S. Oommen see?
- In 2024, CMS data shows 1,037 Original Medicare patients and 3,752 services for Santosh S. Oommen. This counts Original Medicare only and measures volume, not quality.
- What is Santosh S. Oommen's NPI number?
- 1427104256. 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 Santosh S. Oommen, 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 | 1,037 |
|---|---|
| Services billed to Medicare | 3,752 |
| Different services or procedures | 68 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days (93296)450 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)368 services
- Evaluation of implantable heart and blood vessel monitoring system, remote up to 30 days (93297)340 services
- Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days (93294)287 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)243 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%
- Atrial fibrillation56%
- Arthritis44%
- Heart failure43%
- Ischemic heart disease41%
Hospitals where Santosh S. Oommen works
Medicare's Facility Affiliation Data lists Santosh S. Oommen 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.
- Community Hospital of the Monterey PeninsulaMonterey, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050145
Practice locations
Addresses where Santosh S. Oommen is enrolled with Medicare (CMS data updated October 2, 2026).
- 23625 Holman HwyMonterey, CA 93940 (831) 624‑5311
- 30 Garden Ct, BMonterey, CA 93940 (831) 647‑1123
- 350 30th St, Suite 100Oakland, CA 94609 (510) 204‑8290
- 350 John Muir PkwyBrentwood, CA 94513
- 365 Hawthorne AveOakland, CA 94609
Group practices
Medicare enrollment lists Santosh S. Oommen as a member of these groups (CMS data updated October 2, 2026).
- Sutter Bay Medical Foundation3,829 clinicians in the group
- Community Hospital of the Monterey Peninsula146 clinicians in the group
- Montage Medical Group127 clinicians in the group
Specialties
Find other Cardiac Electrophysiology doctors in California →
Other cardiac electrophysiologists in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Other clinicians in Sutter Bay Medical Foundation
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Connecticut School Of Medicine |
| Graduation year | 2005 (21 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) | 1427104256 |
| 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