Doctor profile · Federal record

Dr. Oleg Volchonok, M.D.

Gastroenterology Physician (CMS: Gastroenterology) · Gastroenterology Physician · Philadelphia, PA

  • NPI 1275571945
  • Accepts Medicare
  • MIPS 97.3 / 100 · 2023
  • 40 yrs in practice
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
11400 Bustleton Ave
Philadelphia, PA 191162815
(215) 969-8446
fax (215) 969-4451
Mailing address
1618 Astor Dr
Cherry Hill, NJ 080033548

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
October 2, 2014
Year of graduation
1986 — 40 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State licenses (2)
Pennsylvania #MD 055985-L · New Jersey #MA 064781
Medicaid (2)
PA #0015313860007 · NJ #7185201

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1275571945. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,410
Distinct HCPCS
10
Medicare allowed
$319,989
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 857 469 $96
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional 394 223 $25
99214 Established patient office or other outpatient visit, 30-39 minutes 319 278 $135
99212 Established patient office or other outpatient visit, 10-19 minutes 281 247 $37
99442 Telephone medical discussion with physician, 11-20 minutes 241 155 $96
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 221 152 $83
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 180 179 $144
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 134 127 $113
88305 Pathology examination of tissue using a microscope, intermediate complexity 121 42 $40
45380 Biopsy of large bowel using a flexible endoscope 105 105 $162

In context: peer comparison

Among 80 peers in Philadelphia Gastroenterology Physician, average services per provider: 80. This provider delivers 43× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$25,486
Transactions
135
Manufacturers
14
Payer (manufacturer) Industry Txns Amount
Phathom Pharmaceuticals, INC. 38 $16,760.84
Ironwood Pharmaceuticals, INC 8 $4,715.92
Abbvie INC. 36 $2,897.17
Gilead Sciences, INC. 16 $396.25
Ardelyx, INC. 9 $183.98
Salix Pharmaceuticals, A Division of Bausch Health US, LLC 10 $171.18
Janssen Biotech, INC. 6 $139.56
Regeneron Healthcare Solutions, INC. 3 $61.80
Evoke Pharma, INC. 3 $51.98
Aimmune Therapeutics, INC. 2 $36.06
Qol Medical, LLC 1 $21.39
Takeda Pharmaceuticals U.S.A., INC. 1 $21.19
Intercept Pharmaceuticals, INC. 1 $15.17
Lilly USA, LLC 1 $13.82

By nature of payment

Compensation for Services Other Than Consulting, Including Serving As Faculty or As A Speaker at A Venue Other Than A Continuing Education Program
$20,330
Food and Beverage
$2,902
Travel and Lodging
$2,255

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
6,726
Patients
1,296
Total drug cost
$1,202,933
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 2,016 381 $22,644
Famotidine Generic 905 151 $10,288
Linzess (Linaclotide) Brand 846 146 $505,519
Creon (Lipase/Protease/Amylase) Brand 514 83 $471,063
Proctozone-Hc (Hydrocortisone) Brand 485 90 $13,253
Omeprazole Generic 452 101 $5,323
Metoclopramide Hcl Generic 384 114 $4,439
Dexlansoprazole Dr (Dexlansoprazole) Brand 309 46 $80,293
Esomeprazole Magnesium Generic 230 31 $11,846
Dicyclomine Hcl Generic 181 43 $2,905

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Oleg Volchonok's medical specialty?
Dr. Oleg Volchonok practices Gastroenterology Physician in Philadelphia, PA.
Where does Dr. Oleg Volchonok practice?
Dr. Oleg Volchonok practices at 11400 Bustleton Ave, Philadelphia, PA 191162815. Office phone: 2159698446.
What is Dr. Oleg Volchonok's NPI?
Dr. Oleg Volchonok's National Provider Identifier (NPI) is 1275571945, issued by NPPES.
Does Dr. Oleg Volchonok accept Medicare assignment?
Yes. Dr. Oleg Volchonok accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Oleg Volchonok commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional (HCPCS 99211); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.