Doctor profile · Federal record
Dr. Andrzej Janecki, M.D.
Gastroenterology Physician (CMS: Gastroenterology) · Katy, TX
- NPI 1871591263
- Accepts Medicare
- 49 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1331 W Grand Parkway N, Suite 350
Katy, TX 774932711
(281) 395-8688
fax (281) 395-8480
Credentials & registration
- NPI registered
- July 2005 — 21 yrs on file
- Profile last updated
- November 9, 2007
- Year of graduation
- 1977 — 49 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Texas #K3282
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1871591263. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
404
Distinct HCPCS
5
Medicare allowed
$46,490
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 184 | 151 | $91 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 111 | 86 | $129 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 56 | 52 | $102 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 42 | 40 | $180 | |
45378 |
Diagnostic exam of large bowel using a flexible endoscope | 11 | 11 | $186 |
In context: peer comparison
Among 5 peers in Katy Gastroenterology Physician, average services per provider: 108. This provider delivers 3.7× the peer median.Open Payments
Industry payments received
All-time total
$325
Transactions
20
Manufacturers
3
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 18 | $264.71 | |
| Janssen Biotech, INC. | 1 | $31.10 | |
| Pfizer INC. | 1 | $28.96 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
712
Patients
192
Total drug cost
$389,840
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Famotidine | Generic | 180 | 62 | $2,484 |
| Omeprazole | Generic | 154 | 65 | $2,257 |
| Pantoprazole Sodium | Generic | 129 | 42 | $1,821 |
| Mesalamine | Generic | 67 | 12 | $57,680 |
| Amitriptyline Hcl | Generic | 32 | 0 | $345 |
| Dicyclomine Hcl | Generic | 30 | 11 | $706 |
| Humira(Cf) Pen (Adalimumab) | Brand | 25 | 0 | $281,273 |
| Dexlansoprazole Dr (Dexlansoprazole) | Brand | 16 | 0 | $7,422 |
| Esomeprazole Magnesium | Generic | 14 | 0 | $513 |
| Prednisone | Generic | 14 | 0 | $56 |
Hospital affiliations
Frequently asked questions
What is Dr. Andrzej Janecki's medical specialty?
Dr. Andrzej Janecki practices Gastroenterology Physician in Katy, TX.
Where does Dr. Andrzej Janecki practice?
Dr. Andrzej Janecki practices at 1331 W Grand Parkway N, Katy, TX 774932711. Office phone: 2813958688.
What is Dr. Andrzej Janecki's NPI?
Dr. Andrzej Janecki's National Provider Identifier (NPI) is 1871591263, issued by NPPES.
Does Dr. Andrzej Janecki accept Medicare assignment?
Yes. Dr. Andrzej Janecki accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Andrzej Janecki commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.