Doctor profile · Federal record
Dr. Huiying Tsang, PA-C
Physician Assistant · Surgical Physician Assistant · Stanford, CA
- NPI 1427626456
- Accepts Medicare
- MIPS 75.5 / 100 · 2023
- 4 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
300 Pasteur Dr
Stanford, CA 943052200
(650) 723-4000
Credentials & registration
- NPI registered
- June 2021 — 5 yrs on file
- Profile last updated
- December 23, 2025
- Year of graduation
- 2022 — 4 yrs since
- Specialty taxonomy
- 363A00000X — NUCC code
- State license (1)
- California #61076
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1427626456. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
25
Distinct HCPCS
2
Medicare allowed
$1,957
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 13 | 13 | $64 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 12 | 11 | $94 |
In context: peer comparison
Among 89 peers in this city , average services per provider: 64. This provider delivers 0.4× the peer median.Open Payments
Industry payments received
All-time total
$117
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| AstraZeneca Pharmaceuticals LP | 1 | $117.47 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
56
Patients
13
Total drug cost
$772
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levothyroxine Sodium | Generic | 20 | 0 | $154 |
| Oxycodone Hcl | Generic | 14 | 13 | $113 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 11 | 0 | $293 |
| Gabapentin | Generic | 11 | 0 | $212 |
Hospital affiliations
Frequently asked questions
What is Dr. Huiying Tsang's medical specialty?
Dr. Huiying Tsang practices Physician Assistant in Stanford, CA.
Where does Dr. Huiying Tsang practice?
Dr. Huiying Tsang practices at 300 Pasteur Dr, Stanford, CA 943052200. Office phone: 6507234000.
What is Dr. Huiying Tsang's NPI?
Dr. Huiying Tsang's National Provider Identifier (NPI) is 1427626456, issued by NPPES.
Does Dr. Huiying Tsang accept Medicare assignment?
Yes. Dr. Huiying Tsang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Huiying Tsang commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.