Doctor profile · Federal record
Dr. Grace O'Brien, PA-C
Physician Assistant · Rocklin, CA
- NPI 1184963928
- MIPS 86.3 / 100 · 2023
- 13 yrs on file
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
6544 Lonetree Blvd
Rocklin, CA 957655874
(916) 925-7020
fax (916) 925-3680 - Additional location
-
550 Plaza Dr Ste 120
Folsom, CA 956304779 - Mailing address
-
1495 River Park Dr Ste 200
Sacramento, CA 958154517
Credentials & registration
- NPI registered
- February 2013 — 13 yrs on file
- Profile last updated
- November 6, 2025
- Specialty taxonomy
- 363A00000X — NUCC code
- State license (1)
- California #PA22820
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1184963928. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
522
Distinct HCPCS
7
Medicare allowed
$61,400
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 210 | 210 | $152 | |
99238 |
Hospital discharge day management, 30 minutes or less | 115 | 114 | $71 | |
99239 |
Hospital discharge day management, more than 30 minutes | 94 | 94 | $101 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 47 | 47 | $113 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 19 | 19 | $69 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 19 | 19 | $104 | |
99236 |
Initial hospital care with same-day admission and discharge with high level of medical decision making, per day, if using time, at least 85 minutes | 18 | 18 | $182 |
In context: peer comparison
Among 5 peers in Rocklin Physician Assistant, average services per provider: 56. This provider delivers 9.3× the peer median.Open Payments
Industry payments received
All-time total
$83
Transactions
3
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 3 | $83.17 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
87
Patients
75
Total drug cost
$590
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 27 | 27 | $149 |
| Cephalexin | Generic | 21 | 21 | $172 |
| Ondansetron Odt (Ondansetron) | Brand | 14 | 14 | $91 |
| Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) | Brand | 13 | 13 | $122 |
| Clopidogrel (Clopidogrel Bisulfate) | Brand | 12 | 0 | $57 |
Frequently asked questions
What is Dr. Grace O'Brien's medical specialty?
Dr. Grace O'Brien practices Physician Assistant in Rocklin, CA.
Where does Dr. Grace O'Brien practice?
Dr. Grace O'Brien practices at 6544 Lonetree Blvd, Rocklin, CA 957655874. Office phone: 9169257020.
What is Dr. Grace O'Brien's NPI?
Dr. Grace O'Brien's National Provider Identifier (NPI) is 1184963928, issued by NPPES.
What procedures does Dr. Grace O'Brien commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223); Hospital discharge day management (HCPCS 99238); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.