Doctor profile · Federal record
Dr. Howard Keschner, MD
Gastroenterology Physician (CMS: Gastroenterology) · East Setauket, NY
- NPI 1871551879
- Accepts Medicare
- MIPS 85.0 / 100 · 2023
- 34 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
3400 Nesconset Hwy, Suite 101
East Setauket, NY 117333327
(631) 751-8700
fax (631) 751-5971
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- September 20, 2012
- Year of graduation
- 1992 — 34 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- New York #194651
- Medicaid
- NY #01923371
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1871551879. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,744
Distinct HCPCS
10
Medicare allowed
$211,385
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
82272 |
Stool analysis for blood, by peroxidase activity | 390 | 364 | $4 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 273 | 249 | $147 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 175 | 173 | $291 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 171 | 164 | $120 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 142 | 142 | $193 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 128 | 91 | $89 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 123 | 119 | $105 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 70 | 70 | $133 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 70 | 68 | $199 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 69 | 68 | $148 |
In context: peer comparison
Among 4 peers in East Setauket Gastroenterology Physician, average services per provider: 72. This provider delivers 24× the peer median.Open Payments
Industry payments received
All-time total
$387
Transactions
19
Manufacturers
7
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Phathom Pharmaceuticals, INC. | 5 | $104.94 | |
| Abbvie INC. | 3 | $66.52 | |
| Pfizer INC. | 4 | $62.81 | |
| Lilly USA, LLC | 2 | $58.50 | |
| Janssen Biotech, INC. | 2 | $36.86 | |
| Takeda Pharmaceuticals U.S.A., INC. | 2 | $29.48 | |
| Genzyme Corporation | 1 | $28.15 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,292
Patients
469
Total drug cost
$436,894
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Omeprazole | Generic | 387 | 125 | $4,691 |
| Dicyclomine Hcl | Generic | 167 | 62 | $3,769 |
| Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,Mag Sulfates) | Brand | 127 | 122 | $8,893 |
| Famotidine | Generic | 119 | 36 | $1,758 |
| Xifaxan (Rifaximin) | Brand | 115 | 27 | $314,501 |
| Escitalopram Oxalate | Generic | 112 | 31 | $956 |
| Pantoprazole Sodium | Generic | 75 | 28 | $1,196 |
| Creon (Lipase/Protease/Amylase) | Brand | 52 | 14 | $62,690 |
| Sucralfate | Generic | 29 | 13 | $2,755 |
| Chlordiazepoxide-Clidinium (Chlordiazepoxide/Clidinium Br) | Brand | 28 | 11 | $20,316 |
Hospital affiliations
Frequently asked questions
What is Dr. Howard Keschner's medical specialty?
Dr. Howard Keschner practices Gastroenterology Physician in East Setauket, NY.
Where does Dr. Howard Keschner practice?
Dr. Howard Keschner practices at 3400 Nesconset Hwy, East Setauket, NY 117333327. Office phone: 6317518700.
What is Dr. Howard Keschner's NPI?
Dr. Howard Keschner's National Provider Identifier (NPI) is 1871551879, issued by NPPES.
Does Dr. Howard Keschner accept Medicare assignment?
Yes. Dr. Howard Keschner accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Howard Keschner commonly perform?
Top Medicare-reported procedures in 2023: Stool analysis for blood, by peroxidase activity (HCPCS 82272); Established patient office or other outpatient visit (HCPCS 99214); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385). Source: CMS Medicare Physician & Other Practitioners file.