Quick answers
- Which hospitals does Simon M. Ritchken work at?
- Medicare's official clinician data lists Simon M. Ritchken at 3 hospitals: Scripps Mercy Hospital, Sharp Coronado Hospital and HLTHCR Ctr and Sharp Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Simon M. Ritchken see patients?
- Medicare's clinician data lists 1 practice location in San Diego, CA. Call before your visit to confirm the address.
- What is Simon M. Ritchken's specialty?
- Medicare lists Gastroenterology as the primary specialty.
- Does Simon M. Ritchken accept Medicare assignment?
- Yes. Medicare's clinician data says Simon M. Ritchken 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.
- Does Simon M. Ritchken offer telehealth?
- Medicare's clinician data says Simon M. Ritchken offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Simon M. Ritchken?
- (858) 292-0108, as listed in official Medicare / NPI Registry data.
- What is Simon M. Ritchken's NPI number?
- 1255399341. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Simon M. Ritchken works
Medicare's Facility Affiliation Data lists Simon M. Ritchken at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Scripps Mercy HospitalSan Diego, CA · Acute Care Hospital · CCN 050077
- Sharp Coronado Hospital and HLTHCR CtrCoronado, CA · Acute Care Hospital · CCN 050234
- Sharp Memorial HospitalSan Diego, CA · Acute Care Hospital · CCN 050100
Practice locations
Addresses where Simon M. Ritchken is enrolled with Medicare (CMS data updated 2026-10-02).
- 4282 Genesee Ave, Suite 103San Diego, CA 92117 (858) 292‑0108
Group practices
Medicare enrollment lists Simon M. Ritchken as a member of this group (CMS data updated 2026-10-02).
- Ritchken and First Medical Group2 clinicians in the group
Specialties
- Gastroenterologyprimary
Other gastroenterologists in San Diego
Clinicians with the same Medicare primary specialty in San Diego, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1973 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1255399341 |
| 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