OLEG VOLCHONOK, MD, PC
NPI 1790951390
Internal Medicine - Gastroenterology in Philadelphia, PA
About Oleg Volchonok, Md, Pc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
OLEG VOLCHONOK, MD, PC (NPI 1790951390) is a healthcare organization registered as a gastroenterology in Philadelphia, Pennsylvania and active in the NPI registry since May 2008. The organization lists Oleg Volchonok, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Oleg Volchonok, Md, Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
3Medicare enrollment records show 3 clinicians reassign Medicare billing to Oleg Volchonok, MD, PC, which bills Medicare for the services they deliver. Of these, 1 practice at this address. They are listed nearest first.
Clinicians, nearest first (3)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Oleg Volchonok, MD, PC's NPI number?
The NPI number for Oleg Volchonok, MD, PC is 1790951390. It was assigned to this organization in the NPPES registry on May 2, 2008.
Where is Oleg Volchonok, MD, PC located?
Oleg Volchonok, MD, PC is located at 11400 Bustleton Ave, Philadelphia, PA 19116. The listed phone number is (215) 969-8446.
What is Oleg Volchonok, MD, PC's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Oleg Volchonok, MD, PC enrolled in Medicare?
Yes. Oleg Volchonok, MD, PC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Oleg Volchonok, MD, PC?
According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians reassign their Medicare billing to Oleg Volchonok, MD, PC, in Gastroenterology and Pathology. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Of these, 1 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Oleg Volchonok, MD, PC was last updated on April 5, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Oleg Volchonok, Md, Pc · NPI 1790951390
Gastroenterology organization in Philadelphia, Pennsylvania. Organization record, active in the CMS NPPES registry since May 2, 2008.
## Identity
- **NPI:** 1790951390 (Entity type: Organization)
- **Enumerated:** May 2, 2008
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **Organization subpart:** No
- **Authorized official:** Oleg Volchonok, PRESIDENT
## Practice location
- **Address:** 11400 BUSTLETON AVE, Philadelphia, PA 19116-2815
- **Phone:** (215) 969-8446 · **Fax:** (215) 969-4451
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 3 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Pathology (2), Gastroenterology (1); 1 practice at this address · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 5, 2010
- **Other identifiers:** Medicare PIN 784828 (PA); Medicaid 0015313860007 (PA); Medicare UPIN G14499 (PA)
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Source: [NPI Profile](https://npiprofile.com/npi/1790951390) · Data from the CMS NPPES public registry.