Michael David O'reilly , PA-C
Physician Assistant • Orange, CA
Professional Overview & Biography Verified Profile Summary
Michael O'Reilly, PA-C is a certified Physician Assistant practicing in Orange, CA. With approximately 5 years of clinical experience since completing medical education in 2021, Michael O'Reilly delivers high-quality medical care to the local community at 101 THE CITY DR S.
Michael O'Reilly maintains professional affiliations with Regents Of The University Of California, University Surgeons Of Orange A Medical Group and accepts Medicare assignment.
Frequently performed procedures and clinical services include replacement of knee joint, both sides of knee, replacement of thigh bone and hip joint with prosthesis, established patient outpatient office visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.
Practice Location & Contact Primary Location
101 The City Dr S
Orange, CA 928683201
Medicare Profile & Education
Other
2021
✓ Accepts Assignment
In-Person Only
Specialty Benchmarks & Practice Insights
Comparative analytics for Physician Assistant in Orange, CA
Practicing in Orange, CA (14617 Statewide)
In-Person Office Visits Only
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Clinical Seniority & Experience Comparison
Performed Procedures & Service Volume
Top Medicare Part B procedures performed by this practitioner
| HCPCS Code & Description | Services | Patients | Submitted Charge | Medicare Allowed |
|---|---|---|---|---|
|
27447
Replacement of knee joint, both sides of knee
|
165 | 158 | $920.02 | $183.23 |
|
27130
Replacement of thigh bone and hip joint with prosthesis
|
118 | 113 | $850.00 | $182.14 |
|
99214
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
|
25 | 25 | $310.00 | $117.64 |
Medical Specialties & State Licenses
CMS Verified: 2025-11-06NUCC Taxonomy Code: 363A00000X
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.
NUCC Taxonomy Code: 363A00000X
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.
NUCC Taxonomy Code: 363A00000X
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.
Hospital & Practice Group Affiliations
Regents Of The University Of California
101 The City Dr S, Orange, CA 928683201
Phone: 7144567004
University Surgeons Of Orange A Medical Group
101 The City Dr S, Orange, CA 928683201
Phone: 7146345549
Practice Associates & Co-Workers
Healthcare professionals and specialists practicing at this location or sharing practice phone/fax
Pathology - Clinical Pathology/Laboratory Medicine
Doctor of Medicine (M.D.)
Internal Medicine - Infectious Disease
Doctor of Medicine (M.D.), Doctor of Philosophy (Ph.D.)
Anesthesiology - Pain Medicine
Doctor of Medicine (M.D.)
Hospitalist
Doctor of Medicine (M.D.)
Family Medicine
Urology
Doctor of Medicine (M.D.)
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
Registered at 101 THE CITY DR S, ORANGE, CA 928683201 (Tel: 7144567012)
Registered at 101 THE CITY DR S, ORANGE, CA 928683201 (Tel: 7144568888)
Registered at 3800 W CHAPMAN AVE STE 6200, ORANGE, CA 928681640 (Tel: 7146344567)
Physician Assistant (License #PA2557 in NV)
Registered at 280 S MAIN ST STE 200, ORANGE, CA 928683852 (Tel: 5623705745)
Registered at 280 S MAIN ST STE 200, ORANGE, CA 928683852 (Tel: 7146344567)
NPI status registered as active in NPPES database
Registered at 223 DESERT ARROYO CT, HENDERSON, NV 890124834 (Tel: 5623705745)
Registered at 223 DESERT ARROYO CT, HENDERSON, NV 890124834 (Tel: 5623705745)
Recorded as MICHAEL O'REILLY, PA-C
Physician Assistant
First registered as active Individual Practitioner in NPPES Database.
Patient & Community Reviews
Verified patient ratings, medical care experiences, and facility photos
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NPI Administrative Meta
Mailing Address
101 The City Dr S
Orange, CA 928683201
Phone: 7144567012
This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.