Doctor profile · Federal record
Dr. Joseph Chapman, DO
Gastroenterology Physician (CMS: Gastroenterology) · Lancaster, PA
- NPI 1619369576
- Accepts Medicare
- 11 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
555 North Duke Street
Lancaster, PA 176022250
(717) 544-5935
fax (717) 544-8015 - Mailing address
-
2112 Harrisburg Pike Ste 202
Lancaster, PA 176012644
Credentials & registration
- NPI registered
- March 2015 — 11 yrs on file
- Profile last updated
- February 10, 2026
- Year of graduation
- 2015 — 11 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Pennsylvania #OS021482
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1619369576. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
651
Distinct HCPCS
10
Medicare allowed
$80,886
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 94 | 93 | $239 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 72 | 44 | $73 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 69 | 69 | $103 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 67 | 60 | $120 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 66 | 66 | $124 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 56 | 52 | $86 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 31 | 31 | $140 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 31 | 27 | $48 | |
43235 |
Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 21 | 21 | $92 | |
45378 |
Diagnostic exam of large bowel using a flexible endoscope | 21 | 21 | $167 |
In context: peer comparison
Among 12 peers in Lancaster Gastroenterology Physician, average services per provider: 197. This provider delivers 3.3× the peer median.Open Payments
Industry payments received
All-time total
$1,378
Transactions
74
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Janssen Biotech, INC. | 10 | $253.79 | |
| Abbvie INC. | 15 | $252.88 | |
| Takeda Pharmaceuticals U.S.A., INC. | 10 | $222.11 | |
| Pfizer INC. | 16 | $141.84 | |
| Phathom Pharmaceuticals, INC. | 3 | $85.11 | |
| Lilly USA, LLC | 3 | $71.51 | |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | 3 | $67.20 | |
| Regeneron Healthcare Solutions, INC. | 2 | $63.46 | |
| Ironwood Pharmaceuticals, INC | 3 | $47.84 | |
| Aimmune Therapeutics, INC. | 3 | $46.28 | |
| Ipsen Biopharmaceuticals, INC | 2 | $39.58 | |
| Genzyme Corporation | 1 | $27.53 | |
| Celgene Corporation | 1 | $23.26 | |
| Boston Scientific Corporation | 1 | $18.48 | |
| Gilead Sciences, INC. | 1 | $16.69 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
651
Patients
235
Total drug cost
$92,285
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Omeprazole | Generic | 186 | 81 | $3,571 |
| Pantoprazole Sodium | Generic | 111 | 46 | $2,286 |
| Linzess (Linaclotide) | Brand | 59 | 20 | $46,968 |
| Famotidine | Generic | 57 | 20 | $860 |
| Colestipol Hcl | Generic | 55 | 20 | $7,143 |
| Dicyclomine Hcl | Generic | 48 | 23 | $1,387 |
| Rabeprazole Sodium | Generic | 28 | 0 | $4,033 |
| Sucralfate | Generic | 25 | 11 | $7,664 |
| Dexlansoprazole Dr (Dexlansoprazole) | Brand | 17 | 0 | $5,155 |
| Hydrocortisone | Generic | 15 | 14 | $611 |
Hospital affiliations
Frequently asked questions
What is Dr. Joseph Chapman's medical specialty?
Dr. Joseph Chapman practices Gastroenterology Physician in Lancaster, PA.
Where does Dr. Joseph Chapman practice?
Dr. Joseph Chapman practices at 555 North Duke Street, Lancaster, PA 176022250. Office phone: 7175445935.
What is Dr. Joseph Chapman's NPI?
Dr. Joseph Chapman's National Provider Identifier (NPI) is 1619369576, issued by NPPES.
Does Dr. Joseph Chapman accept Medicare assignment?
Yes. Dr. Joseph Chapman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Joseph Chapman commonly perform?
Top Medicare-reported procedures in 2023: Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.