Doctor profile · Federal record
Dr. Hisako Leung
Rheumatology Physician (CMS: Rheumatology) · Pleasanton, CA
- NPI 1194826354
- 27 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
4466 Black Ave, Suite A
Pleasanton, CA 945666143
(925) 600-8220
fax (925) 600-8221
Credentials & registration
- NPI registered
- September 2006 — 20 yrs on file
- Profile last updated
- July 8, 2007
- Year of graduation
- 1999 — 27 yrs since
- Specialty taxonomy
- 207RR0500X — NUCC code
- State license (1)
- California #A73077
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1194826354. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
65
Distinct HCPCS
2
Medicare allowed
$8,234
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 39 | 19 | $143 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 26 | 13 | $102 |
In context: peer comparison
Among 1 peers in Pleasanton Rheumatology Physician, average services per provider: 32. This provider delivers 2.0× the peer median.Open Payments
Industry payments received
All-time total
$687
Transactions
28
Manufacturers
7
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Ucb, INC. | 16 | $361.83 | |
| Abbvie INC. | 4 | $94.71 | |
| Axsome Therapeutics, INC. | 3 | $80.30 | |
| Lilly USA, LLC | 2 | $65.96 | |
| Lundbeck LLC | 1 | $28.68 | |
| Neurelis, INC. | 1 | $28.47 | |
| Octapharma USA, INC. | 1 | $26.60 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
193
Patients
0
Total drug cost
$66,494
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 44 | 0 | $2,208 |
| Gabapentin | Generic | 41 | 0 | $723 |
| Tramadol Hcl | Generic | 32 | 0 | $1,179 |
| Cyclobenzaprine Hcl | Generic | 23 | 0 | $205 |
| Acetaminophen-Codeine (Acetaminophen With Codeine) | Brand | 14 | 0 | $282 |
| Sulfasalazine | Generic | 14 | 0 | $326 |
| Carisoprodol | Generic | 13 | 0 | $354 |
| Otezla (Apremilast) | Brand | 12 | 0 | $61,216 |
Frequently asked questions
What is Dr. Hisako Leung's medical specialty?
Dr. Hisako Leung practices Rheumatology Physician in Pleasanton, CA.
Where does Dr. Hisako Leung practice?
Dr. Hisako Leung practices at 4466 Black Ave, Pleasanton, CA 945666143. Office phone: 9256008220.
What is Dr. Hisako Leung's NPI?
Dr. Hisako Leung's National Provider Identifier (NPI) is 1194826354, issued by NPPES.
Does Dr. Hisako Leung accept Medicare assignment?
Dr. Hisako Leung does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Hisako Leung commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.