Doctor profile · Federal record
Dr. Hannah O'Brien, PA-C
Physician Assistant · Redwood City, CA
- NPI 1780216598
- MIPS 83.9 / 100 · 2023
- 6 yrs on file
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
18 Spinnaker Pl
Redwood City, CA 940651294
(925) 382-4824
Credentials & registration
- NPI registered
- February 2020 — 6 yrs on file
- Profile last updated
- August 6, 2020
- Specialty taxonomy
- 363A00000X — NUCC code
- State license (1)
- California #PA58222
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1780216598. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
288
Distinct HCPCS
4
Medicare allowed
$28,711
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99284 |
Emergency department visit with moderate level of medical decision making | 147 | 139 | $112 | |
99283 |
Emergency department visit with low level of medical decision making | 83 | 81 | $66 | |
99285 |
Emergency department visit with high level of medical decision making | 37 | 37 | $162 | |
99282 |
Emergency department visit with straightforward medical decision making | 21 | 21 | $39 |
In context: peer comparison
Among 4 peers in Redwood City Physician Assistant, average services per provider: 62. This provider delivers 4.6× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
41
Patients
41
Total drug cost
$942
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Ibuprofen | Generic | 15 | 15 | $59 |
| Cephalexin | Generic | 14 | 14 | $158 |
| Cefpodoxime Proxetil | Generic | 12 | 12 | $726 |
Frequently asked questions
What is Dr. Hannah O'Brien's medical specialty?
Dr. Hannah O'Brien practices Physician Assistant in Redwood City, CA.
Where does Dr. Hannah O'Brien practice?
Dr. Hannah O'Brien practices at 18 Spinnaker Pl, Redwood City, CA 940651294. Office phone: 9253824824.
What is Dr. Hannah O'Brien's NPI?
Dr. Hannah O'Brien's National Provider Identifier (NPI) is 1780216598, issued by NPPES.
What procedures does Dr. Hannah O'Brien commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with low level of medical decision making (HCPCS 99283); Emergency department visit with high level of medical decision making (HCPCS 99285). Source: CMS Medicare Physician & Other Practitioners file.