Doctor profile · Federal record
Dr. Xixi Xu
Gastroenterology Physician · Worcester, MA
- NPI 1811458722
- 7 yrs on file
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 4 locations .
- Primary practice
-
55 Lake Ave N
Worcester, MA 016550002
(508) 334-3068 - Additional location
-
119 Belmont St
Worcester, MA 016052903 - Additional location
-
21 Eastern Ave
Worcester, MA 016053094
(508) 334-8419 - Additional location
-
28 Newton St
Southborough, MA 017721215 - Mailing address
-
Po Box 415348
Boston, MA 022415348
Show 1 more location
Credentials & registration
- NPI registered
- March 2019 — 7 yrs on file
- Profile last updated
- March 27, 2026
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Massachusetts #291700
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1811458722. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
258
Distinct HCPCS
4
Medicare allowed
$31,361
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 166 | 57 | $125 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 48 | 28 | $84 | |
99239 |
Hospital discharge day management, more than 30 minutes | 24 | 24 | $119 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 20 | 19 | $184 |
In context: peer comparison
Among 20 peers in this city , average services per provider: 36. This provider delivers 7.2× the peer median.Open Payments
Industry payments received
All-time total
$144
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Gilead Sciences, Inc. | 1 | $119.20 | |
| Intercept Pharmaceuticals, Inc. | 1 | $25.29 |
By nature of payment
Frequently asked questions
What is Dr. Xixi Xu's medical specialty?
Dr. Xixi Xu practices Gastroenterology Physician in Worcester, MA.
Where does Dr. Xixi Xu practice?
Dr. Xixi Xu practices at 55 Lake Ave N, Worcester, MA 016550002. Office phone: 5083343068.
What is Dr. Xixi Xu's NPI?
Dr. Xixi Xu's National Provider Identifier (NPI) is 1811458722, issued by NPPES.
What procedures does Dr. Xixi Xu commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.