Quick answers
- Does Yelena A. Bishop accept Medicare assignment?
- Yes. Medicare's clinician data says Yelena A. Bishop 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 Yelena A. Bishop see?
- In 2024, CMS data shows 67 Original Medicare patients and 381 services for Yelena A. Bishop. This counts Original Medicare only and measures volume, not quality.
- What is Yelena A. Bishop's NPI number?
- 1053634493. 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 Yelena A. Bishop, 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 | 67 |
|---|---|
| Services billed to Medicare | 381 |
| Different services or procedures | 29 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Ultrasound evaluation of blood vessel with review by radiologist, each additional vessel (37253)166 services
- Ultrasound evaluation of blood vessel with review by radiologist, initial vessel (37252)58 services
- Removal of plaque in artery of leg, initial vessel (37229)37 services
- Removal of plaque and insertion of stents in arteries of leg (37227)28 services
- Removal of plaque in artery of leg, each additional vessel (37233)13 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%
- Diabetes72%
- Chronic kidney disease66%
- Ischemic heart disease45%
- Heart failure40%
Hospitals where Yelena A. Bishop works
Medicare's Facility Affiliation Data lists Yelena A. Bishop 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.
- El Camino HealthMountain View, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050308
- Good Samaritan HospitalSan Jose, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050380
Practice locations
Addresses where Yelena A. Bishop is enrolled with Medicare (CMS data updated October 2, 2026).
- 2255 S Bascom Ave, Suite 200Campbell, CA 95008 (408) 376‑3626
- 8420 Church StGilroy, CA 95020 (408) 376‑3626
Group practices
Medicare enrollment lists Yelena A. Bishop as a member of this group (CMS data updated October 2, 2026).
- Polyxene Gazetas Kokinos MD PC5 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Campbell
Clinicians with the same Medicare primary specialty in Campbell, CA — not a recommendation.
Other clinicians in Polyxene Gazetas Kokinos MD PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2010 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1053634493 |
| 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