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GRACE O'BRIEN PA-C
NPI 1184963928
Physician Assistant in Rocklin, CA

Active since February 13, 2013PECOS Enrolled
94.62/100
CMS Quality Rating
6544 LONETREE BLVD, ROCKLIN, CA 95765(916) 925-7020(916) 925-3680 Get Directions Write a Review

NPPES record last updated: November 6, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Grace O'brien Pa-c NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GRACE O'BRIEN PA-C (NPI 1184963928) is an individual physician assistant in Rocklin, California, licensed in California (PA22820) and active in the NPI registry since February 2013. She is enrolled in Medicare PECOS and maintains a secondary practice location in Folsom.

NPPES Registry Identity

NPI1184963928
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameGRACE O'BRIENCredential: PA-C
Location Address6544 LONETREE BLVDRocklin, CA 95765-5874
Mailing Address1495 River Park Dr Ste 200Sacramento, CA 95815-4517 · (916) 925-7020 · Fax (916) 925-3680
Phone(916) 925-7020
Fax(916) 925-3680
Sole ProprietorNo
Enumeration DateFebruary 13, 2013
Last NPPES UpdateNovember 6, 2025
NPPES CertifiedNovember 6, 2025
✔ NPI 1184963928 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License✔ Licensed in CA · PA22820
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
6544 LONETREE BLVD, Rocklin, CA 95765
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Secondary Practice Location 1

Location 1550 Plaza Dr Ste 120Folsom, CA 95630-4779 · Phone (916) 925-7020 · Fax (916) 925-3680

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Grace O'brien Pa-c is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 7

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
145 services144 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
142 services140 patients
Hospital discharge day management, 30 minutes or less 99238
Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.
132 services132 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
68 services66 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
34 services33 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
17 services17 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95765 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$92.61 typical visit price
range $60.44 – $180.85
Typical copayment $23.15 (range $15.11 – $45.21)
Most-billed visit code 99203
Established Patient
$75.03 typical visit price
range $19.88 – $148.15
Typical copayment $18.75 (range $4.97 – $37.03)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

94.62/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality76.67
Improvement Activities40
Cost97.14

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

KEVIN MATTHEW MORSE PA
Physician Assistant
6544 LONETREE BLVD
ROCKLIN, CA 95765
Placer County (916) 925-7020
DR. MAULIK MANHARLAL DHANDHA MD
Dermatology
6544 LONETREE BLVD
ROCKLIN, CA 95765
Placer County (916) 925-7020

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Grace O'brien's NPI number?

The NPI number for Grace O'brien is 1184963928. It was assigned to this individual provider in the NPPES registry on February 13, 2013.

Where is Grace O'brien located?

Grace O'brien practices at 6544 Lonetree Blvd, Rocklin, CA 95765. The listed phone number is (916) 925-7020.

What is Grace O'brien's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Grace O'brien enrolled in Medicare?

Yes. Grace O'brien is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Grace O'brien was last updated on November 6, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.