About
ERIN FARRELLY, M.D., M.S. is an orthopedic surgery located at 277 RANCHEROS DR STE 101 in SAN MARCOS, CA.
Erin Farrelly is one of 4 orthopedic providers listed in SAN MARCOS, CA on AdvOrtho.
Practice at a glance
Erin Farrelly's most frequently billed Medicare service in 2024 was treatment of broken neck of thigh bone with bone implant for 17 Medicare patients.
Distinct procedures
2
Medicare patients
56
busiest single service
Care setting
82% office
mostly outpatient
Most-performed procedures, 2024
Treatment of broken neck of thigh bone with bone implant
17
17 patients · near the state median of 17
Treatment of upper end of broken thigh bone with placement of stabilizing device or prosthetic replacement
16
16 patients · near the state median of 14
Training and practice
Erin Farrelly has been in practice since 2007, after graduating from George Washington University School of Medicine.
- Practices with Medstar Medical Group II LLC (3,726 clinicians)
- Affiliated with Medstar Franklin Square Medical Center, Medstar Good Samaritan Hospital, Medstar Union Memorial Hospital and Medstar Washington Hospital Center
Registry record
Registered subspecialty
- Licensed in California
- Practices within a group or organization
Where this comes from
Procedure volumes:CMS Medicare Physician & Other Practitioners, 2024. Fee-for-service claims only, so they exclude privately insured, Medicare Advantage and pediatric patients - volume is not comparable across practices with different patient mixes. These are billing records, not outcomes.
Training and practice: CMS Doctors and Clinicians list. A graduation year is when training finished, not years of orthopedic experience or a board certification. Affiliations come from Medicare enrollment and may be incomplete.
Registry details: NPPES. Subspecialties are self-reported at registration, not a board certification.
Credentials: Doctor of Medicine (MD)
An MD degree indicates completion of a medical doctorate program focused on allopathic medicine. MDs complete four years of medical school followed by residency training in their chosen specialty. Orthopedic surgery residencies typically last five years and include extensive training in surgical and non-surgical treatment of musculoskeletal conditions.
Office Information
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Profile information is sourced from the public CMS NPI Registry. Contact the office directly to confirm current availability and insurance acceptance. Providers can update this profile to reflect their current practice.
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