Doctor profile · Federal record
Dr. Xiaocen Zhang, MD
Gastroenterology Physician (CMS: Gastroenterology) · Boston, MA
- NPI 1336661537
- Accepts Medicare
- 9 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
800 Washington St
Boston, MA 021111552
(617) 636-5883
Credentials & registration
- NPI registered
- July 2017 — 9 yrs on file
- Profile last updated
- February 5, 2025
- Year of graduation
- 2017 — 9 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Massachusetts #1013785
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1336661537. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
77
Distinct HCPCS
4
Medicare allowed
$11,668
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 24 | 14 | $81 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 22 | 22 | $259 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 19 | 19 | $131 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 12 | 12 | $129 |
In context: peer comparison
Among 78 peers in this city , average services per provider: 56. This provider delivers 1.4× the peer median.Open Payments
Industry payments received
All-time total
$21
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Mallinckrodt Hospital Products Inc. | 1 | $20.58 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
87
Patients
30
Total drug cost
$42,577
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Gavilyte-C (Peg3350/Sod Sulf,bicarb,cl/Kcl) | Brand | 30 | 30 | $565 |
| Omeprazole | Generic | 18 | 0 | $310 |
| Linzess (Linaclotide) | Brand | 14 | 0 | $7,910 |
| Furosemide | Generic | 13 | 0 | $56 |
| Xifaxan (Rifaximin) | Brand | 12 | 0 | $33,736 |
Hospital affiliations
Frequently asked questions
What is Dr. Xiaocen Zhang's medical specialty?
Dr. Xiaocen Zhang practices Gastroenterology Physician in Boston, MA.
Where does Dr. Xiaocen Zhang practice?
Dr. Xiaocen Zhang practices at 800 Washington St, Boston, MA 021111552. Office phone: 6176365883.
What is Dr. Xiaocen Zhang's NPI?
Dr. Xiaocen Zhang's National Provider Identifier (NPI) is 1336661537, issued by NPPES.
Does Dr. Xiaocen Zhang accept Medicare assignment?
Yes. Dr. Xiaocen Zhang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Xiaocen Zhang commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.