Quick answers
- Where does Mark J. Fredrick see patients?
- Medicare's clinician data lists 4 practice locations, including Anaheim, CA, Huntington Beach, CA and Redondo Beach, CA. Call before your visit to confirm the address.
- What is Mark J. Fredrick's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Mark J. Fredrick accept Medicare assignment?
- Yes. Medicare's clinician data says Mark J. Fredrick 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 Mark J. Fredrick offer telehealth?
- Medicare's clinician data says Mark J. Fredrick offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Mark J. Fredrick?
- (714) 995-1000, as listed in official Medicare / NPI Registry data.
- What is Mark J. Fredrick's NPI number?
- 1518964998. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Mark J. Fredrick is enrolled with Medicare (CMS data updated 2026-10-02).
- 1236 N Magnolia AveAnaheim, CA 92801 (714) 995‑1000
- 19066 Magnolia StHuntington Beach, CA 92646 (714) 968‑0068
- 502 Torrance BlvdRedondo Beach, CA 90277 (310) 316‑0811
- PO Box, Suite 35380Las Vegas, NV 89133
Group practices
Medicare enrollment lists Mark J. Fredrick as a member of this group (CMS data updated 2026-10-02).
- Healthcare Partners Affiliates Medical Group754 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Anaheim
Clinicians with the same Medicare primary specialty in Anaheim, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Indiana University School Of Medicine |
| Graduation year | 1988 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1518964998 |
| 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
- 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