Quick answers
- Which hospitals does John S. Link work at?
- Medicare's official clinician data lists John S. Link at 4 hospitals: Hoag Memorial Hospital Presbyterian, Memorialcare Long Beach Medical Center, Memorialcare Orange Coast Medical Center and Memorialcare Saddleback Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John S. Link see patients?
- Medicare's clinician data lists 4 practice locations, including Newport Beach, CA, Orange, CA and Laguna Hills, CA. Call before your visit to confirm the address.
- What is John S. Link's specialty?
- Medicare lists Hematology/Oncology as the primary specialty.
- Does John S. Link accept Medicare assignment?
- Yes. Medicare's clinician data says John S. Link 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 John S. Link offer telehealth?
- Medicare's clinician data says John S. Link offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for John S. Link?
- (949) 272-2095, as listed in official Medicare / NPI Registry data.
- What is John S. Link's NPI number?
- 1245281211. 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 S. Link works
Medicare's Facility Affiliation Data lists John S. Link at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Hoag Memorial Hospital PresbyterianNewport Beach, CA · Acute Care Hospital · CCN 050224
- Memorialcare Long Beach Medical CenterLong Beach, CA · Acute Care Hospital · CCN 050485
- Memorialcare Orange Coast Medical CenterFountain Valley, CA · Acute Care Hospital · CCN 050678
- Memorialcare Saddleback Medical CenterLaguna Hills, CA · Acute Care Hospital · CCN 050603
Practice locations
Addresses where John S. Link is enrolled with Medicare (CMS data updated 2026-10-02).
- 1441 Avocado Ave, Suite 301Newport Beach, CA 92660 (949) 272‑2095
- 230 S Main St, Suite 100Orange, CA 92868 (714) 541‑0101
- 24401 Health Ctr Dr, Suite 200Laguna Hills, CA 92653 (657) 241‑9660
- 722 Baker StCosta Mesa, CA 92626 (714) 557‑6300
Group practices
Medicare enrollment lists John S. Link as a member of this group (CMS data updated 2026-10-02).
- Memorialcare Medical Foundation566 clinicians in the group
Specialties
- Hematology/Oncologyprimary
Other hematologist-oncologists in Newport Beach
Clinicians with the same Medicare primary specialty in Newport Beach, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Southern California Keck School Of Medicine |
| Graduation year | 1972 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1245281211 |
| 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