Quick answers
- Which hospitals does Andrew G. Mayer work at?
- Medicare's official clinician data lists Andrew G. Mayer at 1 hospital: Scripps Memorial Hospital La Jolla. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Andrew G. Mayer see patients?
- Medicare's clinician data lists 1 practice location in La Jolla, CA. Call before your visit to confirm the address.
- What is Andrew G. Mayer's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Andrew G. Mayer accept Medicare assignment?
- Yes. Medicare's clinician data says Andrew G. Mayer 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 Andrew G. Mayer offer telehealth?
- Medicare's clinician data says Andrew G. Mayer offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Andrew G. Mayer?
- (858) 453-5200, as listed in official Medicare / NPI Registry data.
- What is Andrew G. Mayer's NPI number?
- 1215949201. 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 G. Mayer works
Medicare's Facility Affiliation Data lists Andrew G. Mayer at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Scripps Memorial Hospital La JollaLa Jolla, CA · Acute Care Hospital · CCN 050324
Practice locations
Addresses where Andrew G. Mayer is enrolled with Medicare (CMS data updated 2026-10-02).
- 9850 Genesee Ave, Suite 770La Jolla, CA 92037 (858) 453‑5200
Group practices
Medicare enrollment lists Andrew G. Mayer as a member of this group (CMS data updated 2026-10-02).
- La Jolla Gastroenterology Medical Group, Inc5 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in La Jolla
Clinicians with the same Medicare primary specialty in La Jolla, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | State University Of New York At Buffalo School Of Medicine |
| Graduation year | 2000 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1215949201 |
| 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