Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. John S Link, MD

Individual provider Specialist · NPI 1245281211

Dr. John S Link, MD is a Hematology/Oncology in Orange, California. Graduated from University of Southern California Keck School of Medicine in 1972, 54 years ago. Practices with Memorialcare Medical Foundation, a 562-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
54
Trained at
University of Southern California Keck School of Medicine
Licensed in
CA
In the registry since
2006
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

230 S Main St Ste 100
Orange, CA 92868-3851
Phone: (714) 541-0101
Fax: (714) 541-0450
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1441 Avocado Ave Ste 301, Newport Beach, CA 92660-7704 — (949) 272-2095

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence G25774 (CA)
Specialist Taxonomy 174400000X · Licence G25774 (CA)
Medical Oncology Physician Taxonomy 207RX0202X · Licence G25774 (CA)

Record details

NPI number1245281211
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 15, 2006
Last updated in NPPESMay 26, 2021
Certification dateMay 26, 2021
Mailing address230 S Main St Ste 100, Orange, CA 92868-3851

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyHEMATOLOGY/ONCOLOGY
Medical schoolUNIVERSITY OF SOUTHERN CALIFORNIA KECK SCHOOL OF MEDICINE
Graduated 1972 (54 years in practice)
Group practice Memorialcare Medical Foundation — 562 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations5 on file with Medicare

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