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Edit this profileWhere to find Johan HENDRIK LEONARD Boneschansker, MD
- Worcester location main office
55 Lake Ave N, Worcester, MA 01655 - Worcester location
119 Belmont St, Worcester, MA 01605 - Marlborough location
157 Union St, Marlborough, MA 01752 - Worcester location
21 Eastern Ave, Worcester, MA 01605
About Dr. Boneschansker
Based in Worcester, MA, Johan HENDRIK LEONARD Boneschansker, MD is listed in the NPI registry under gastroenterology. According to Medicare claims data, Johan cared for 466 Medicare patients across 495 services. The services billed most often include initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes, removal of polyps or growths of large bowel using an endoscope with mechanical snare, and 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 monit. NPI 1124474028 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (508) 334-3068
- Email not available
Practice Locations
55 LAKE AVE N
Worcester, MA 01655
119 Belmont St
Worcester, MA 01605
157 Union St
Marlborough, MA 01752
21 Eastern Ave
Worcester, MA 01605
Conditions Commonly Evaluated or Treated
Within Gastroenterology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- Acid reflux
- Celiac disease
- Crohn's disease
- Hemorrhoids
- IBS
- Swallowing difficulties
- Ulcerative colitis
Biliary and pancreas
Colon and anorectal
Esophagus and swallowing
Functional bowel and motility
Liver
- Ascites
- Autoimmune hepatitis
- Cirrhosis
- Fatty liver disease
- Hemochromatosis
- Hepatitis B
- Hepatitis C
- Portal hypertension
Stomach and duodenum
Bowel & Colon
Digestive Symptoms
Gallbladder & Bile Ducts
Procedures & services
Most searched procedures
Lower endoscopy
Upper endoscopy
Capsule and physiology testing
Diagnostic Testing
Liver procedures
Treatments
Procedures Most Often Billed to Medicare
495 services · 466 patients · 16 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
48 | More often than most peers in Gastroenterology |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
38 | More often than most peers in Gastroenterology |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
29 | As often as other peers in Gastroenterology |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
28 | As often as other peers in Gastroenterology |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
24 | As often as other peers in Gastroenterology |
| Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43235 |
21 | As often as other peers in Gastroenterology |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
15 | As often as other peers in Gastroenterology |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
59 | More often than most peers in Gastroenterology |
| 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 monit | Billing code | G0500 |
46 | As often as other peers in Gastroenterology |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
32 | As often as other peers in Gastroenterology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other gastroenterologists at this location 3
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 3
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 29 related providers in 4 groups
Other gastroenterologists in Worcester 5
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2012 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Removal of polyps or growths of large bowel using an endoscope with mechanical snare 8
Providers in MA who bill this service to Medicare most often.
Common questions
What is Dr. Boneschansker's specialty?
Dr. Boneschansker is a gastroenterologist in Worcester, MA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Gastroenterology”.
NPI registry
Where can I find Dr. Boneschansker?
Dr. Boneschansker is listed at 55 Lake Ave N, Worcester, MA 01655. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Boneschansker?
The number on file is (508) 334-3068. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Boneschansker's NPI number?
Dr. Boneschansker's National Provider Identifier is 1124474028. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Dr. Boneschansker's medical education?
Dr. Boneschansker attended Other, graduating in 2012. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Boneschansker been practicing?
Dr. Boneschansker has 14 years experience. Calculated from a graduation year of 2012, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Boneschansker known for?
According to Medicare billing data, Dr. Boneschansker performs procedures including removal of polyps or growths of large bowel using an endoscope with mechanical snare, biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope and biopsy of large bowel using a flexible endoscope, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Boneschansker confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Boneschansker. If this is you, claiming it is free.
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