Quick answers
- Which hospitals does Stefan A. Willging work at?
- Medicare's official clinician data lists Stefan A. Willging at 5 hospitals: Grossmont Hospital, Scripps Memorial Hospital La Jolla, 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 Stefan A. Willging see patients?
- Medicare's clinician data lists 1 practice location in San Diego, CA. Call before your visit to confirm the address.
- What is Stefan A. Willging's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Stefan A. Willging accept Medicare assignment?
- Yes. Medicare's clinician data says Stefan A. Willging 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 Stefan A. Willging offer telehealth?
- Medicare's clinician data says Stefan A. Willging offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Stefan A. Willging?
- (619) 298-1318, as listed in official Medicare / NPI Registry data.
- What is Stefan A. Willging's NPI number?
- 1679523518. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Stefan A. Willging works
Medicare's Facility Affiliation Data lists Stefan A. Willging 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 Memorial Hospital La JollaLa Jolla, CA · Acute Care Hospital · CCN 050324
- 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 Stefan A. Willging is enrolled with Medicare (CMS data updated 2026-10-02).
- 4060 4th Ave, Suite 505San Diego, CA 92103 (619) 298‑1318
Group practices
Medicare enrollment lists Stefan A. Willging as a member of this group (CMS data updated 2026-10-02).
- Hillcrest Internal Medicine a Medical Corporation5 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in San Diego
Clinicians with the same Medicare primary specialty in San Diego, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1999 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1679523518 |
| 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