Physician Profile
Unclaimed ProfileAbout O'BRIEN
Grace O'Brien, PA-C is a physician assistant based in Rocklin, CA. According to Medicare claims data, Grace cared for 545 Medicare patients across 551 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (916) 925-7020
- Email not available
Practice Locations
6544 LONETREE BLVD
Rocklin, CA 95765
Procedures Most Often Billed to Medicare
551 services · 545 patients · 7 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
145 |
| Hospital discharge day management, more than 30 minutes | Office visit | 99239 |
142 |
| Hospital discharge day management, 30 minutes or less | Office visit | 99238 |
132 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
68 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
34 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
17 |
| 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 | Office visit | 99236 |
13 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other physician assistants at this location 1
Same specialty, same street address — most likely the same department or group.
Also at this address 1
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other physician assistants in Rocklin 7
Same specialty, same city.
Common questions
What is Dr. O'Brien's specialty?
Dr. O'Brien is a physician assistant in Rocklin, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “Physician Assistant”.
NPI registry
Where can I find Dr. O'Brien?
Dr. O'Brien is listed at 6544 LONETREE BLVD, Rocklin, CA 95765. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. O'Brien?
The number on file is (916) 925-7020. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. O'Brien's NPI number?
Dr. O'Brien's National Provider Identifier is 1184963928. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
How long has Dr. O'Brien been practicing?
Dr. O'Brien has 13+ years experience. Registered with an NPI since 2013. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What is Dr. O'Brien known for?
According to Medicare billing data, Dr. O'Brien the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. O'Brien confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. O'Brien. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.