Doctor profile · Federal record
Dr. Xihua Sun, M.D. ,M.S.
Specialist (CMS: Neurology) · San Jose, CA
- NPI 1851326672
- Accepts Medicare
- 44 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
361 S Monroe St
San Jose, CA 951285107
(408) 557-0550
fax (408) 248-4591
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- August 12, 2008
- Year of graduation
- 1982 — 44 yrs since
- Specialty taxonomy
- 174400000X — NUCC code
- State license (1)
- California #A55886
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1851326672. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
14,677
Distinct HCPCS
8
Medicare allowed
$208,056
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J0585 |
Injection, onabotulinumtoxina, 1 unit | 13,925 | 27 | $6 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 228 | 91 | $113 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 152 | 68 | $148 | |
99291 |
Critical care, first 30-74 minutes | 121 | 33 | $236 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 112 | 105 | $196 | |
64615 |
Injection of chemical for paralysis of facial and neck nerve muscles on both sides of face | 79 | 26 | $177 | |
95819 |
Measurement of brain wave activity (eeg), awake and asleep | 36 | 31 | $65 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 24 | 24 | $248 |
In context: peer comparison
Among 14 peers in this city , average services per provider: 296. This provider delivers 50× the peer median.Open Payments
Industry payments received
All-time total
$1,182
Transactions
33
Manufacturers
8
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| CATALYST PHARMACEUTICALS, INC. | 12 | $271.16 | |
| SK Life Science, Inc. | 10 | $270.75 | |
| EMD Serono, Inc. | 3 | $233.29 | |
| Alexion Pharmaceuticals, Inc. | 2 | $228.40 | |
| ABBVIE INC. | 2 | $67.86 | |
| Eisai Inc. | 2 | $45.44 | |
| Lundbeck LLC | 1 | $34.87 | |
| AstraZeneca Pharmaceuticals LP | 1 | $30.03 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
525
Patients
108
Total drug cost
$286,702
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Donepezil Hcl | Generic | 115 | 40 | $2,827 |
| Carbidopa-Levodopa (Carbidopa/Levodopa) | Brand | 97 | 27 | $4,229 |
| Gabapentin | Generic | 64 | 28 | $1,809 |
| Levetiracetam | Generic | 58 | 13 | $2,987 |
| Lacosamide | Generic | 24 | 0 | $4,813 |
| Memantine Hcl | Generic | 23 | 0 | $932 |
| Clonazepam | Generic | 21 | 0 | $310 |
| Quetiapine Fumarate | Generic | 21 | 0 | $974 |
| Fycompa (Perampanel) | Brand | 19 | 0 | $14,539 |
| Baclofen | Generic | 17 | 0 | $924 |
Frequently asked questions
What is Dr. Xihua Sun's medical specialty?
Dr. Xihua Sun practices Specialist in San Jose, CA.
Where does Dr. Xihua Sun practice?
Dr. Xihua Sun practices at 361 S Monroe St, San Jose, CA 951285107. Office phone: 4085570550.
What is Dr. Xihua Sun's NPI?
Dr. Xihua Sun's National Provider Identifier (NPI) is 1851326672, issued by NPPES.
Does Dr. Xihua Sun accept Medicare assignment?
Yes. Dr. Xihua Sun accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Xihua Sun commonly perform?
Top Medicare-reported procedures in 2023: Injection, onabotulinumtoxina, 1 unit (HCPCS J0585); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.