Doctor profile · Federal record
Dr. Joseph Charpentier, D.O.
Internal Medicine Physician (CMS: Gastroenterology) · Worcester, MA
- NPI 1346476132
- Accepts Medicare
- MIPS 74.3 / 100 · 2023
- 17 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
55 Lake Ave N
Worcester, MA 016550002
(774) 442-2173
Credentials & registration
- NPI registered
- June 2009 — 17 yrs on file
- Profile last updated
- February 22, 2012
- Year of graduation
- 2009 — 17 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Massachusetts #240870
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1346476132. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
387
Distinct HCPCS
10
Medicare allowed
$54,129
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 105 | 105 | $226 | |
43235 |
Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 59 | 55 | $94 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 56 | 53 | $96 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 32 | 31 | $159 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 29 | 25 | $92 | |
G0105 |
Colorectal cancer screening; colonoscopy on individual at high risk | 25 | 25 | $166 | |
45378 |
Diagnostic exam of large bowel using a flexible endoscope | 23 | 23 | $150 | |
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 | 19 | 19 | $5 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 14 | 14 | $112 | |
43249 |
Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm | 13 | 12 | $128 |
In context: peer comparison
Among 114 peers in Worcester Internal Medicine Physician, average services per provider: 102. This provider delivers 3.8× the peer median.Open Payments
Industry payments received
All-time total
$1,754
Transactions
42
Manufacturers
10
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Ovesco Endoscopy USA, INC. | 1 | $852.98 | |
| Abbvie INC. | 20 | $369.57 | |
| Lilly USA, LLC | 9 | $187.31 | |
| Endogastric Solutions, INC | 1 | $108.00 | |
| Janssen Biotech, INC. | 3 | $61.59 | |
| Genzyme Corporation | 2 | $51.90 | |
| Takeda Pharmaceuticals U.S.A., INC. | 2 | $48.34 | |
| Phathom Pharmaceuticals, INC. | 2 | $40.00 | |
| Csl Behring | 1 | $20.00 | |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | 1 | $14.47 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
529
Patients
330
Total drug cost
$21,944
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) | Brand | 247 | 234 | $5,139 |
| Pantoprazole Sodium | Generic | 163 | 47 | $2,767 |
| Omeprazole | Generic | 34 | 11 | $494 |
| Ursodiol | Generic | 28 | 0 | $6,658 |
| Budesonide Dr (Budesonide) | Brand | 17 | 0 | $5,161 |
| Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,Mag Sulfates) | Brand | 16 | 14 | $1,306 |
| Gavilyte-C (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) | Brand | 13 | 13 | $278 |
| Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) | Brand | 11 | 11 | $142 |
Hospital affiliations
Frequently asked questions
What is Dr. Joseph Charpentier's medical specialty?
Dr. Joseph Charpentier practices Internal Medicine Physician in Worcester, MA.
Where does Dr. Joseph Charpentier practice?
Dr. Joseph Charpentier practices at 55 Lake Ave N, Worcester, MA 016550002. Office phone: 7744422173.
What is Dr. Joseph Charpentier's NPI?
Dr. Joseph Charpentier's National Provider Identifier (NPI) is 1346476132, issued by NPPES.
Does Dr. Joseph Charpentier accept Medicare assignment?
Yes. Dr. Joseph Charpentier accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Joseph Charpentier commonly perform?
Top Medicare-reported procedures in 2023: Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43235); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.