Quick answers
- Which hospitals does Mark Garfinkle work at?
- Medicare's official clinician data lists Mark Garfinkle at 4 hospitals: Eastern New Mexico Medical Center, Mercy Medical Center, Providence Little Co of Mary Med Ctr San Pedro and Providence Little Company of Mary Med Ctr Torrance. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark Garfinkle see patients?
- Medicare's clinician data lists 5 practice locations, including Poway, CA, Escondido, CA and Merced, CA. Call before your visit to confirm the address.
- What is Mark Garfinkle's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Hospitalist.
- Does Mark Garfinkle accept Medicare assignment?
- Yes. Medicare's clinician data says Mark Garfinkle 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 Mark Garfinkle?
- (310) 379-2134, as listed in official Medicare / NPI Registry data.
- What is Mark Garfinkle's NPI number?
- 1124039698. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mark Garfinkle works
Medicare's Facility Affiliation Data lists Mark Garfinkle at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Eastern New Mexico Medical CenterRoswell, NM · Acute Care Hospital · CCN 320006
- Mercy Medical CenterMerced, CA · Acute Care Hospital · CCN 050444
- Providence Little Co of Mary Med Ctr San PedroSan Pedro, CA · Acute Care Hospital · CCN 050078
- Providence Little Company of Mary Med Ctr TorranceTorrance, CA · Acute Care Hospital · CCN 050353
Practice locations
Addresses where Mark Garfinkle is enrolled with Medicare (CMS data updated 2026-10-02).
- 15615 Pomerado RdPoway, CA 92064 (310) 379‑2134
- 2185 Citracado PkwyEscondido, CA 92029 (310) 379‑2134
- 333 Mercy AveMerced, CA 95340 (209) 564‑5000
- 4101 Torrance BlvdTorrance, CA 90503 (310) 540‑7676
- 4311 E Lohman AveLas Cruces, NM 88011 (575) 556‑7455
Group practices
Medicare enrollment lists Mark Garfinkle as a member of these groups (CMS data updated 2026-10-02).
- Las Cruces HB Medical Services LLC157 clinicians in the group
- Palomar Hospitalist Medical Group Inc53 clinicians in the group
- Merced Hospitalist Medical Group Inc38 clinicians in the group
- Little Company Hospitalist Medical Group Inc28 clinicians in the group
Specialties
- Internal Medicineprimary
- Hospitalistalso
Other internal medicine doctors in Poway
Clinicians with the same Medicare primary specialty in Poway, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of South Carolina School Of Medicine |
| Graduation year | 2002 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1124039698 |
| 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