Quick answers
- Which hospitals does John D. Clark Iii work at?
- Medicare's official clinician data lists John D. Clark Iii at 1 hospital: UT of Texas Southwestern University Hospital - William P. Clements Jr.. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John D. Clark Iii see patients?
- Medicare's clinician data lists 1 practice location in San Diego, CA. Call before your visit to confirm the address.
- What is John D. Clark Iii's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does John D. Clark Iii accept Medicare assignment?
- Yes. Medicare's clinician data says John D. Clark Iii 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 John D. Clark Iii?
- (858) 262-6344, as listed in official Medicare / NPI Registry data.
- What is John D. Clark Iii's NPI number?
- 1467713800. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John D. Clark Iii works
Medicare's Facility Affiliation Data lists John D. Clark Iii at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- UT of Texas Southwestern University Hospital - William P. Clements Jr.Dallas, TX · Acute Care Hospital · CCN 450044
Practice locations
Addresses where John D. Clark Iii is enrolled with Medicare (CMS data updated 2026-10-02).
- 5651 Copley DrSan Diego, CA 92111 (858) 262‑6344
Group practices
Medicare enrollment lists John D. Clark Iii as a member of this group (CMS data updated 2026-10-02).
- Sharp Rees-Stealy Medical Group Inc884 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 |
|---|---|
| Medical school | University Of Miami, Lm Miller School Of Medicine |
| Graduation year | 2011 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1467713800 |
| 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