Doctor profile · Federal record

Dr. Johan Boneschansker, MD

Gastroenterology Physician (CMS: Gastroenterology) · Worcester, MA

  • NPI 1124474028
  • Accepts Medicare
  • 14 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 4 locations .

NPPES Updated May 11, 2026
Primary practice
55 Lake Ave N
Worcester, MA 016550002
(508) 334-3068
Additional location
119 Belmont St
Worcester, MA 016052903
Additional location
157 Union St
Marlborough, MA 017521228
Show 1 more location
Additional location
21 Eastern Ave
Worcester, MA 016053094
(508) 334-8036
Mailing address
Po Box 415348
Boston, MA 022415348

Credentials & registration

NPPES · NUCC
NPI registered
May 2016 — 10 yrs on file
Profile last updated
December 8, 2023
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Massachusetts #282680
Medicaid
MA #110116193A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1124474028. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
108
Distinct HCPCS
7
Medicare allowed
$12,225
HCPCS Description Services Patients Avg allowed
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 24 24 $131
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 23 23 $175
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 14 11 $80
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 13 13 $103
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 12 12 $122
99214 Established patient office or other outpatient visit, 30-39 minutes 11 11 $98
G0500 Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito 11 11 $5

In context: peer comparison

Among 20 peers in this city , average services per provider: 36. This provider delivers 3.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
82
Patients
82
Total drug cost
$1,384
Drug Type Claims Patients Total cost
Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) Brand 55 55 $847
Gavilyte-C (Peg3350/Sod Sulf,bicarb,cl/Kcl) Brand 27 27 $537

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Johan Boneschansker's medical specialty?
Dr. Johan Boneschansker practices Gastroenterology Physician in Worcester, MA.
Where does Dr. Johan Boneschansker practice?
Dr. Johan Boneschansker practices at 55 Lake Ave N, Worcester, MA 016550002. Office phone: 5083343068.
What is Dr. Johan Boneschansker's NPI?
Dr. Johan Boneschansker's National Provider Identifier (NPI) is 1124474028, issued by NPPES.
Does Dr. Johan Boneschansker accept Medicare assignment?
Yes. Dr. Johan Boneschansker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Johan Boneschansker commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.