Doctor profile · Federal record
Dr. Xi Chen, M.D., PH.D.,
Sleep Medicine (Psychiatry & Neurology) Physician (CMS: Sleep Medicine) · Specialist · Boston, MA
- NPI 1285940973
- Accepts Medicare
- 26 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
133 Brookline Ave
Boston, MA 022153904
(617) 421-1020
fax (617) 421-1063
Credentials & registration
- NPI registered
- August 2010 — 16 yrs on file
- Profile last updated
- February 4, 2021
- Year of graduation
- 2000 — 26 yrs since
- Specialty taxonomy
- 2084S0012X — NUCC code
- State license (1)
- Massachusetts #254850
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1285940973. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
439
Distinct HCPCS
4
Medicare allowed
$48,948
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
95800 |
Sleep study including heart rate, breathing, and sleep time | 176 | 173 | $43 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 156 | 133 | $139 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 84 | 84 | $182 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 23 | 16 | $196 |
In context: peer comparison
Among 2 peers in this city , average services per provider: 113. This provider delivers 3.9× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
86
Patients
12
Total drug cost
$1,814
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Gabapentin | Generic | 46 | 12 | $494 |
| Pramipexole Dihydrochloride (Pramipexole Di-Hcl) | Brand | 17 | 0 | $509 |
| Armodafinil | Generic | 12 | 0 | $796 |
| Zolpidem Tartrate | Generic | 11 | 0 | $15 |
Frequently asked questions
What is Dr. Xi Chen's medical specialty?
Dr. Xi Chen practices Sleep Medicine (Psychiatry & Neurology) Physician in Boston, MA.
Where does Dr. Xi Chen practice?
Dr. Xi Chen practices at 133 Brookline Ave, Boston, MA 022153904. Office phone: 6174211020.
What is Dr. Xi Chen's NPI?
Dr. Xi Chen's National Provider Identifier (NPI) is 1285940973, issued by NPPES.
Does Dr. Xi Chen accept Medicare assignment?
Yes. Dr. Xi Chen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Xi Chen commonly perform?
Top Medicare-reported procedures in 2023: Sleep study including heart rate, breathing, and sleep time (HCPCS 95800); Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.