Quick answers
- Which hospitals does Colleen A. Ly work at?
- Medicare's official clinician data lists Colleen A. Ly at 2 hospitals: Scripps Green Hospital and Scripps Mercy Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Colleen A. Ly see patients?
- Medicare's clinician data lists 3 practice locations, including San Diego, CA. Call before your visit to confirm the address.
- What is Colleen A. Ly's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Colleen A. Ly accept Medicare assignment?
- Yes. Medicare's clinician data says Colleen A. Ly accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Colleen A. Ly?
- (619) 359-6600, as listed in official Medicare / NPI Registry data.
- What is Colleen A. Ly's NPI number?
- 1184404261. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Colleen A. Ly works
Medicare's Facility Affiliation Data lists Colleen A. Ly at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Scripps Green HospitalLa Jolla, CA · Acute Care Hospital · CCN 050424
- Scripps Mercy HospitalSan Diego, CA · Acute Care Hospital · CCN 050077
Practice locations
Addresses where Colleen A. Ly is enrolled with Medicare (CMS data updated 2026-10-02).
- 4077 5th AveSan Diego, CA 92103 (619) 359‑6600
- 550 Washington StSan Diego, CA 92103 (619) 359‑6600
- 7485 Mission Valley Rd, Suite 104aSan Diego, CA 92108 (619) 291‑8930
Group practices
Medicare enrollment lists Colleen A. Ly as a member of these groups (CMS data updated 2026-10-02).
- On Call Specialists Medical Group of San Diego Inc144 clinicians in the group
- California Orthopaedic Institute Medical Associates Inc24 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in San Diego
Clinicians with the same Medicare primary specialty in San Diego, CA — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2023 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1184404261 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians