Quick answers
- Which hospitals does Dana A. Ryan work at?
- Medicare's official clinician data lists Dana A. Ryan at 2 hospitals: Grossmont Hospital and Scripps Mercy Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Dana A. Ryan see patients?
- Medicare's clinician data lists 1 practice location in Alpine, CA. Call before your visit to confirm the address.
- What is Dana A. Ryan's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Dana A. Ryan accept Medicare assignment?
- Yes. Medicare's clinician data says Dana A. Ryan 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 Dana A. Ryan?
- (619) 662-4100, as listed in official Medicare / NPI Registry data.
- What is Dana A. Ryan's NPI number?
- 1780609990. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Dana A. Ryan works
Medicare's Facility Affiliation Data lists Dana A. Ryan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Grossmont HospitalLa Mesa, CA · Acute Care Hospital · CCN 050026
- Scripps Mercy HospitalSan Diego, CA · Acute Care Hospital · CCN 050077
Practice locations
Addresses where Dana A. Ryan is enrolled with Medicare (CMS data updated 2026-10-02).
- 1620 Alpine Blvd, Suite 110Alpine, CA 91901 (619) 662‑4100
Group practices
Medicare enrollment lists Dana A. Ryan as a member of this group (CMS data updated 2026-10-02).
- Centro de Salud de la Comunidad de San Ysidro, Inc.297 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Washington University School Of Medicine |
| Graduation year | 1997 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1780609990 |
| 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