Quick answers
- Which hospitals does Andrew N. Knoll work at?
- Medicare's official clinician data lists Andrew N. Knoll at 5 hospitals: Huntington Hospital, Mercy Medical Center - Cedar Rapids, Providence Mission Hospital, Providence St. Joseph Hospital and St Francis Hospital & Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Andrew N. Knoll see patients?
- Medicare's clinician data lists 14 practice locations, including Orange, CA, Tustin, CA and Hartford, CT. Call before your visit to confirm the address.
- What is Andrew N. Knoll's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Andrew N. Knoll accept Medicare assignment?
- Yes. Medicare's clinician data says Andrew N. Knoll 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 Andrew N. Knoll?
- (714) 997-4762, as listed in official Medicare / NPI Registry data.
- What is Andrew N. Knoll's NPI number?
- 1801075189. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Andrew N. Knoll works
Medicare's Facility Affiliation Data lists Andrew N. Knoll at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Huntington HospitalPasadena, CA · Acute Care Hospital · CCN 050438
- Mercy Medical Center - Cedar RapidsCedar Rapids, IA · Acute Care Hospital · CCN 160079
- Providence Mission HospitalMission Viejo, CA · Acute Care Hospital · CCN 050567
- Providence St. Joseph HospitalOrange, CA · Acute Care Hospital · CCN 050069
- St Francis Hospital & Medical CenterHartford, CT · Acute Care Hospital · CCN 070002
Practice locations
Addresses where Andrew N. Knoll is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 14; the Medicare profile lists all.
- 1031 W Chapman AveOrange, CA 92868 · Moran Rowen and Dorsey Inc (714) 997‑4762
- 1095 Irvine BlvdTustin, CA 92780 · Moran Rowen and Dorsey Inc (714) 505‑7110
- 1100 W Stewart Dr, St Joseph HospitalOrange, CA 92868 · Moran Rowen and Dorsey Inc (714) 771‑8171
- 114 Woodland StHartford, CT 06105 (860) 714‑4000
- 12942 Harbor BlvdGarden Grove, CA 92840 · Moran Rowen and Dorsey Inc (714) 705‑2120
Group practices
Medicare enrollment lists Andrew N. Knoll as a member of these groups (CMS data updated 2026-10-02).
- Trinity Health of New England Provider Network Organization Inc653 clinicians in the group
- Riverside Radiology and Interventional Associates Inc253 clinicians in the group
- Otero County Hospital Association244 clinicians in the group
- Baptist Physician Network121 clinicians in the group
- Gem State Radiology LLP73 clinicians in the group
- Radiology Consultants of Iowa PLC73 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Orange
Clinicians with the same Medicare primary specialty in Orange, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | New York Medical College |
| Graduation year | 2004 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1801075189 |
| 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