Quick answers
- Which hospitals does John D. Baker work at?
- Medicare's official clinician data lists John D. Baker at 5 hospitals: AHMC Anaheim Regional Medical Center, Foothill Regional Medical Center, La Palma Intercommunity Hospital, UCI Health-Orange and West Anaheim Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John D. Baker see patients?
- Medicare's clinician data lists 1 practice location in Santa Ana, CA. Call before your visit to confirm the address.
- What is John D. Baker's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty.
- Does John D. Baker accept Medicare assignment?
- Yes. Medicare's clinician data says John D. Baker 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 D. Baker offer telehealth?
- Medicare's clinician data says John D. Baker offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for John D. Baker?
- (714) 568-6600, as listed in official Medicare / NPI Registry data.
- What is John D. Baker's NPI number?
- 1124022850. 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. Baker works
Medicare's Facility Affiliation Data lists John D. Baker at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- AHMC Anaheim Regional Medical CenterAnaheim, CA · Acute Care Hospital · CCN 050226
- Foothill Regional Medical CenterTustin, CA · Acute Care Hospital · CCN 050780
- La Palma Intercommunity HospitalLa Palma, CA · Acute Care Hospital · CCN 050580
- UCI Health-OrangeOrange, CA · Acute Care Hospital · CCN 050348
- West Anaheim Medical CenterAnaheim, CA · Acute Care Hospital · CCN 050426
Practice locations
Addresses where John D. Baker is enrolled with Medicare (CMS data updated 2026-10-02).
- 801 N Tustin Ave, Suite 706Santa Ana, CA 92705 (714) 568‑6600
Group practices
Medicare enrollment lists John D. Baker as a member of this group (CMS data updated 2026-10-02).
- Harinder S. Gogia, M.D., Inc.5 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in California →
Other cardiologists in Santa Ana
Clinicians with the same Medicare primary specialty in Santa Ana, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Southern California Keck School Of Medicine |
| Graduation year | 1987 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1124022850 |
| 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