Doctor profile · Federal record
Dr. Miechelle O'Brien, M.D.
Gastroenterology Physician (CMS: Gastroenterology) · Danbury, CT
- NPI 1356582571
- Accepts Medicare
- MIPS 89.1 / 100 · 2023
- 23 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
111 Osborne Street- Ste 121
Danbury, CT 068106019
(203) 739-7010
fax (203) 739-1517
Credentials & registration
- NPI registered
- March 2009 — 17 yrs on file
- Profile last updated
- April 13, 2011
- Year of graduation
- 2003 — 23 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Connecticut #047450
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1356582571. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
278
Distinct HCPCS
9
Medicare allowed
$41,452
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
45380 |
Biopsy of large bowel using a flexible endoscope | 63 | 63 | $137 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 56 | 43 | $189 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 34 | 34 | $95 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 26 | 25 | $267 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 25 | 23 | $133 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 23 | 23 | $178 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 22 | 21 | $97 | |
45381 |
Injection beneath lining of large bowel using a flexible endoscope | 17 | 16 | $16 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 12 | 12 | $183 |
In context: peer comparison
Among 6 peers in Danbury Gastroenterology Physician, average services per provider: 50. This provider delivers 5.6× the peer median.Open Payments
Industry payments received
All-time total
$125
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 1 | $125.00 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
367
Patients
125
Total drug cost
$66,474
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Omeprazole | Generic | 120 | 43 | $2,490 |
| Pantoprazole Sodium | Generic | 65 | 22 | $1,130 |
| Famotidine | Generic | 56 | 26 | $1,940 |
| Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) | Brand | 35 | 34 | $708 |
| Mesalamine | Generic | 22 | 0 | $19,586 |
| Diphenoxylate-Atropine (Diphenoxylate Hcl/Atropine) | Brand | 19 | 0 | $1,450 |
| Linzess (Linaclotide) | Brand | 19 | 0 | $29,352 |
| Dexilant (Dexlansoprazole) | Brand | 16 | 0 | $7,911 |
| Scopolamine | Generic | 15 | 0 | $1,907 |
Hospital affiliations
Frequently asked questions
What is Dr. Miechelle O'Brien's medical specialty?
Dr. Miechelle O'Brien practices Gastroenterology Physician in Danbury, CT.
Where does Dr. Miechelle O'Brien practice?
Dr. Miechelle O'Brien practices at 111 Osborne Street- Ste 121, Danbury, CT 068106019. Office phone: 2037397010.
What is Dr. Miechelle O'Brien's NPI?
Dr. Miechelle O'Brien's National Provider Identifier (NPI) is 1356582571, issued by NPPES.
Does Dr. Miechelle O'Brien accept Medicare assignment?
Yes. Dr. Miechelle O'Brien accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Miechelle O'Brien commonly perform?
Top Medicare-reported procedures in 2023: Biopsy of large bowel using a flexible endoscope (HCPCS 45380); Established patient office or other outpatient visit (HCPCS 99215); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.