Oleg Volchonok, M.D.
NPI 1275571945 · Gastroenterology Physician · Philadelphia, PA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Oleg Volchonok, M.D. is a Gastroenterology Physician provider in Philadelphia, PA (NPI 1275571945).
Provider details
- NPI number
- 1275571945
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- MD 055985-L (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
3,280 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 815 | $99 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 347 | $140 |
| Office Or Other Outpatient Visit for the Evaluation and Management of Established Patient That May Not Require Presence of Healthcare Professional99211 | 319 | $26 |
| Telephone Medical Discussion With Physician, 11-20 Minutes99442 | 272 | $99 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 263 | $38 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 39 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 2,214 | 421 |
| Famotidine | 1,050 | 179 |
| Linaclotidebrand: Linzess | 1,032 | 174 |
| Metoclopramide Hcl | 460 | 121 |
| Omeprazole | 448 | 113 |
| Lipase/Protease/Amylasebrand: Creon | 446 | 71 |
| Dexlansoprazolebrand: Dexlansoprazole Dr | 335 | 46 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$25,486 across 135 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-03
- Last updated
- 2014-10-02
Frequently asked questions
- What is Oleg Volchonok's NPI number?
- Oleg Volchonok's National Provider Identifier (NPI) is 1275571945, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Oleg Volchonok's specialty?
- Oleg Volchonok is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Oleg Volchonok located?
- Oleg Volchonok's practice location on file with NPPES is 11400 Bustleton Ave, Philadelphia, PA 19116-2815.
- What is Oleg Volchonok's phone number?
- The practice phone number listed in the NPPES registry for Oleg Volchonok is (215) 969-8446.
- Does Oleg Volchonok accept Medicare?
- Oleg Volchonok is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Oleg Volchonok's NPI active?
- Yes — Oleg Volchonok's NPI (1275571945) is active in the NPPES registry as of the last update on 2014-10-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.