Doctor profile · Federal record
Dr. Ashley Nguyentat, PA-C
Physician Assistant · Stanford, CA
- NPI 1215589007
- Accepts Medicare
- MIPS 75.5 / 100 · 2023
- 7 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
300 Pasteur Dr
Stanford, CA 943052200
(650) 723-4000 - Additional location
-
1500 Duarte RD
Duarte, CA 910103012
(626) 256-4673
Credentials & registration
- NPI registered
- July 2019 — 7 yrs on file
- Profile last updated
- November 21, 2023
- Year of graduation
- 2019 — 7 yrs since
- Specialty taxonomy
- 363A00000X — NUCC code
- State license (1)
- California #60403
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1215589007. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
424
Distinct HCPCS
8
Medicare allowed
$43,386
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 88 | 79 | $94 | |
99221 |
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | 74 | 71 | $79 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 69 | 69 | $128 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 59 | 54 | $47 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 51 | 51 | $139 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 44 | 42 | $125 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 21 | 21 | $174 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 18 | 18 | $79 |
In context: peer comparison
Among 89 peers in this city , average services per provider: 64. This provider delivers 6.6× the peer median.Open Payments
Industry payments received
All-time total
$35
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| PROGENICS PHARMACEUTICALS, INC. | 1 | $18.71 | |
| JAZZ PHARMACEUTICALS INC. | 1 | $16.01 |
By nature of payment
Frequently asked questions
What is Dr. Ashley Nguyentat's medical specialty?
Dr. Ashley Nguyentat practices Physician Assistant in Stanford, CA.
Where does Dr. Ashley Nguyentat practice?
Dr. Ashley Nguyentat practices at 300 Pasteur Dr, Stanford, CA 943052200. Office phone: 6507234000.
What is Dr. Ashley Nguyentat's NPI?
Dr. Ashley Nguyentat's National Provider Identifier (NPI) is 1215589007, issued by NPPES.
Does Dr. Ashley Nguyentat accept Medicare assignment?
Yes. Dr. Ashley Nguyentat accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ashley Nguyentat commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Initial hospital care with straightforward or low level of medical decision making (HCPCS 99221); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.