Doctor profile · Federal record
Dr. Siddhartha Parker, M.D.
Gastroenterology Physician (CMS: Gastroenterology) · Hospitalist Physician · Internal Medicine Physician · Lebanon, NH
- NPI 1417117532
- Accepts Medicare
- MIPS 89.8 / 100 · 2023
- 18 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1 Medical Center Dr, Dhmc Department of Gastroenterology
Lebanon, NH 037561000
(603) 650-5261
fax (603) 650-5225
Credentials & registration
- NPI registered
- June 2008 — 18 yrs on file
- Profile last updated
- May 2, 2016
- Year of graduation
- 2008 — 18 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- New Hampshire #16649
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1417117532. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
669
Distinct HCPCS
10
Medicare allowed
$75,189
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 140 | 139 | $253 | |
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 | 126 | 126 | $5 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 103 | 102 | $81 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 69 | 68 | $64 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 38 | 33 | $98 | |
43249 |
Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm | 36 | 33 | $137 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 34 | 25 | $80 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 30 | 30 | $127 | |
43235 |
Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 25 | 24 | $103 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 17 | 16 | $141 |
In context: peer comparison
Among 10 peers in Lebanon Gastroenterology Physician, average services per provider: 38. This provider delivers 18× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
138
Patients
38
Total drug cost
$621,351
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Mesalamine | Generic | 51 | 11 | $47,665 |
| Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) | Brand | 27 | 27 | $734 |
| Lactated Ringers (Ringer's Solution,Lactated) | Brand | 25 | 0 | $461 |
| Stelara (Ustekinumab) | Brand | 20 | 0 | $572,340 |
| Omeprazole | Generic | 15 | 0 | $151 |
Hospital affiliations
Frequently asked questions
What is Dr. Siddhartha Parker's medical specialty?
Dr. Siddhartha Parker practices Gastroenterology Physician in Lebanon, NH.
Where does Dr. Siddhartha Parker practice?
Dr. Siddhartha Parker practices at 1 Medical Center Dr, Lebanon, NH 037561000. Office phone: 6036505261.
What is Dr. Siddhartha Parker's NPI?
Dr. Siddhartha Parker's National Provider Identifier (NPI) is 1417117532, issued by NPPES.
Does Dr. Siddhartha Parker accept Medicare assignment?
Yes. Dr. Siddhartha Parker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Siddhartha Parker commonly perform?
Top Medicare-reported procedures in 2023: Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); 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 (HCPCS G0500); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.