Johan Boneschansker, MD
NPI 1124474028 · Gastroenterology Physician · Worcester, MA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Johan Boneschansker, MD is a Gastroenterology Physician provider in Worcester, MA (NPI 1124474028).
Provider details
- NPI number
- 1124474028
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 282680 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
10 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
495 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 59 | $171 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 48 | $248 |
| 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 MonitoG0500 | 46 | $5 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 38 | $243 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 32 | $129 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 117 | 107 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-C | 53 | 53 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 49 | 49 |
| Mesalamine | 27 | 11 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Peg-3350 and Electrolytes | 23 | 23 |
| Balsalazide Disodium | 23 | — |
| Adalimumab |
Practice location
Mailing address
Additional practice locations (3)
- 157 Union StMarlborough, MA 01752-1228Phone: (508) 334-3068
- 21 Eastern AveWorcester, MA 01605-3094Phone: (508) 334-8036
- 119 Belmont StWorcester, MA 01605-2903Phone: (508) 334-3068
Registry dates
- Enumerated
- 2016-05-10
- Last updated
- 2023-12-08
- Certified
- 2023-07-26
Frequently asked questions
- What is Johan Boneschansker's NPI number?
- Johan Boneschansker's National Provider Identifier (NPI) is 1124474028, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Johan Boneschansker's specialty?
- Johan Boneschansker is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Johan Boneschansker located?
- Johan Boneschansker's practice location on file with NPPES is 55 Lake Ave N, Worcester, MA 01655-0002.
- What is Johan Boneschansker's phone number?
- The practice phone number listed in the NPPES registry for Johan Boneschansker is (508) 334-3068.
- Does Johan Boneschansker accept Medicare?
- Johan Boneschansker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Johan Boneschansker's NPI active?
- Yes — Johan Boneschansker's NPI (1124474028) is active in the NPPES registry as of the last update on 2023-12-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.