Doctor profile · Federal record
Dr. Douglas Horst, MD
Gastroenterology Physician (CMS: Internal Medicine) · Boston, MA
- NPI 1518957224
- Accepts Medicare
- 52 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
330 Brookline Ave
Boston, MA 022155400
(617) 632-8623 - Mailing address
-
110 Francis St
Boston, MA 022155501
Credentials & registration
- NPI registered
- October 2005 — 21 yrs on file
- Profile last updated
- April 14, 2011
- Year of graduation
- 1974 — 52 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Massachusetts #39297
- Medicaid
- MA #1194765438
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1518957224. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
584
Distinct HCPCS
9
Medicare allowed
$82,335
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 118 | 118 | $258 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 98 | 67 | $70 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 87 | 87 | $153 | |
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 | 75 | 75 | $6 | |
G0105 |
Colorectal cancer screening; colonoscopy on individual at high risk | 69 | 69 | $190 | |
G0121 |
Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | 51 | 51 | $188 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 46 | 46 | $107 | |
43235 |
Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 25 | 25 | $93 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 15 | 15 | $88 |
In context: peer comparison
Among 78 peers in Boston Gastroenterology Physician, average services per provider: 56. This provider delivers 10× the peer median.Open Payments
Industry payments received
All-time total
$23
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Organon LLC | 1 | $22.86 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
510
Patients
285
Total drug cost
$446,877
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,Mag Sulfates) | Brand | 135 | 132 | $10,626 |
| Omeprazole | Generic | 58 | 26 | $1,232 |
| Clenpiq (Sod Picosulf/Mag Ox/Citric Ac) | Brand | 54 | 54 | $10,266 |
| Dicyclomine Hcl | Generic | 50 | 21 | $1,361 |
| Pantoprazole Sodium | Generic | 36 | 11 | $537 |
| Mesalamine | Generic | 28 | 13 | $23,987 |
| Lorazepam | Generic | 25 | 0 | $113 |
| Famotidine | Generic | 22 | 0 | $332 |
| Oxycodone Hcl | Generic | 21 | 0 | $742 |
| Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) | Brand | 16 | 16 | $550 |
Hospital affiliations
Frequently asked questions
What is Dr. Douglas Horst's medical specialty?
Dr. Douglas Horst practices Gastroenterology Physician in Boston, MA.
Where does Dr. Douglas Horst practice?
Dr. Douglas Horst practices at 330 Brookline Ave, Boston, MA 022155400. Office phone: 6176328623.
What is Dr. Douglas Horst's NPI?
Dr. Douglas Horst's National Provider Identifier (NPI) is 1518957224, issued by NPPES.
Does Dr. Douglas Horst accept Medicare assignment?
Yes. Dr. Douglas Horst accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Douglas Horst commonly perform?
Top Medicare-reported procedures in 2023: Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Established patient office or other outpatient visit (HCPCS 99213); Biopsy of large bowel using a flexible endoscope (HCPCS 45380). Source: CMS Medicare Physician & Other Practitioners file.