Doctor profile · Federal record
Dr. Gregor Koobatian, MD
Gastroenterology Physician (CMS: Gastroenterology) · Middletown, CT
- NPI 1609833730
- Accepts Medicare
- MIPS 83.3 / 100 · 2023
- 31 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
410 Saybrook RD, Suite 201
Middletown, CT 06457
(860) 347-4620
fax (860) 346-9687
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- March 25, 2015
- Year of graduation
- 1995 — 31 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Connecticut #038341
- Medicaid
- CT #001383413
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1609833730. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
738
Distinct HCPCS
10
Medicare allowed
$74,564
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
88305 |
Pathology examination of tissue using a microscope, intermediate complexity | 269 | 95 | $38 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 79 | 79 | $261 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 73 | 70 | $90 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 64 | 60 | $132 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 55 | 55 | $92 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 51 | 46 | $96 | |
88313 |
Special stained specimen slides to examine tissue including interpretation and report | 40 | 23 | $77 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 38 | 38 | $119 | |
G0105 |
Colorectal cancer screening; colonoscopy on individual at high risk | 22 | 22 | $170 | |
45378 |
Diagnostic exam of large bowel using a flexible endoscope | 19 | 19 | $192 |
In context: peer comparison
Among 4 peers in Middletown Gastroenterology Physician, average services per provider: 67. This provider delivers 11× the peer median.Open Payments
Industry payments received
All-time total
$462
Transactions
14
Manufacturers
8
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Cook Medical LLC | 1 | $155.02 | |
| Takeda Pharmaceuticals U.S.A., INC. | 4 | $101.68 | |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | 3 | $66.91 | |
| Abbvie INC. | 2 | $44.45 | |
| Boston Scientific Corporation | 1 | $34.93 | |
| Ardelyx, INC. | 1 | $21.51 | |
| Phathom Pharmaceuticals, INC. | 1 | $19.70 | |
| Gilead Sciences, INC. | 1 | $17.89 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
901
Patients
378
Total drug cost
$118,387
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Famotidine | Generic | 219 | 66 | $3,744 |
| Pantoprazole Sodium | Generic | 161 | 48 | $2,987 |
| Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,Mag Sulfates) | Brand | 138 | 134 | $10,810 |
| Omeprazole | Generic | 126 | 42 | $1,899 |
| Esomeprazole Magnesium | Generic | 51 | 15 | $2,265 |
| Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) | Brand | 40 | 37 | $625 |
| Creon (Lipase/Protease/Amylase) | Brand | 26 | 0 | $54,330 |
| Linzess (Linaclotide) | Brand | 25 | 0 | $21,625 |
| Lansoprazole | Generic | 23 | 0 | $1,663 |
| Suprep (Sodium, Potassium,Mag Sulfates) | Brand | 22 | 22 | $2,394 |
Frequently asked questions
What is Dr. Gregor Koobatian's medical specialty?
Dr. Gregor Koobatian practices Gastroenterology Physician in Middletown, CT.
Where does Dr. Gregor Koobatian practice?
Dr. Gregor Koobatian practices at 410 Saybrook RD, Middletown, CT 06457. Office phone: 8603474620.
What is Dr. Gregor Koobatian's NPI?
Dr. Gregor Koobatian's National Provider Identifier (NPI) is 1609833730, issued by NPPES.
Does Dr. Gregor Koobatian accept Medicare assignment?
Yes. Dr. Gregor Koobatian accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregor Koobatian commonly perform?
Top Medicare-reported procedures in 2023: Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.