Quick answers
- Does Oleg Volchonok accept Medicare assignment?
- Yes. Medicare's clinician data says Oleg Volchonok 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 Oleg Volchonok see?
- In 2024, CMS data shows 945 Original Medicare patients and 3,334 services for Oleg Volchonok. This counts Original Medicare only and measures volume, not quality.
- What is Oleg Volchonok's NPI number?
- 1275571945. 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 Oleg Volchonok, 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 | 945 |
|---|---|
| Services billed to Medicare | 3,334 |
| Different services or procedures | 33 |
| Participating Medicare provider | Yes |
| Average age of these patients | 78 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)815 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)347 services
- Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional (99211)332 services
- Telephone medical discussion with physician, 11-20 minutes (99442)272 services
- Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)263 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%
- Arthritis67%
- Diabetes59%
- Ischemic heart disease51%
- Anxiety44%
Hospitals where Oleg Volchonok works
Medicare's Facility Affiliation Data lists Oleg Volchonok 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.
- Holy Redeemer Hospital and Medical CenterMeadowbrook, PA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 390097
- Jefferson Einstein Philadelphia HospitalPhiladelphia, PA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 390142
- Nazareth HospitalPhiladelphia, PA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 390204
- St Mary Medical CenterLanghorne, PA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 390258
- Thomas Jefferson University HospitalPhiladelphia, PA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 390174
Practice locations
Addresses where Oleg Volchonok is enrolled with Medicare (CMS data updated October 2, 2026).
- 1060 Kings Hwy N, Suite 113Cherry Hill, NJ 08034 (215) 969‑8446
- 11400 Bustleton AvePhiladelphia, PA 19116 (215) 969‑8446
Group practices
Medicare enrollment lists Oleg Volchonok as a member of this group (CMS data updated October 2, 2026).
- Oleg Volchonok, MD, PC2 clinicians in the group
Specialties
- Gastroenterologyprimary
Other gastroenterologists in Cherry Hill
Clinicians with the same Medicare primary specialty in Cherry Hill, NJ — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1986 (40 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1275571945 |
| 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