Quick answers
- Which hospitals does John D. McCracken work at?
- Medicare's official clinician data lists John D. McCracken at 3 hospitals: Adventist Health Lodi Memorial, Mad River Community Hospital and Providence St Joseph Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John D. McCracken see patients?
- Medicare's clinician data lists 2 practice locations, including Eureka, CA and Sonora, CA. Call before your visit to confirm the address.
- What is John D. McCracken's specialty?
- Medicare lists Gastroenterology as the primary specialty, and also Internal Medicine.
- Does John D. McCracken accept Medicare assignment?
- Yes. Medicare's clinician data says John D. McCracken 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. McCracken offer telehealth?
- Medicare's clinician data says John D. McCracken offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for John D. McCracken?
- (714) 449-4800, as listed in official Medicare / NPI Registry data.
- What is John D. McCracken's NPI number?
- 1235203548. 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. McCracken works
Medicare's Facility Affiliation Data lists John D. McCracken at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Adventist Health Lodi MemorialLodi, CA · Acute Care Hospital · CCN 050336
- Mad River Community HospitalArcata, CA · Acute Care Hospital · CCN 050028
- Providence St Joseph HospitalEureka, CA · Acute Care Hospital · CCN 050006
Practice locations
Addresses where John D. McCracken is enrolled with Medicare (CMS data updated 2026-10-02).
- 2752 Harrison Ave, Suite AEureka, CA 95501 (714) 449‑4800
- 729 Pauline CourtSonora, CA 95370 (209) 588‑8068
Group practices
Medicare enrollment lists John D. McCracken as a member of these groups (CMS data updated 2026-10-02).
- Providence Medical Foundation1,466 clinicians in the group
- Adventist Health Physicians Network628 clinicians in the group
Specialties
- Gastroenterologyprimary
- Internal Medicinealso
Other gastroenterologists in Eureka
Clinicians with the same Medicare primary specialty in Eureka, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Loma Linda University School Of Medicine |
| Graduation year | 1985 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1235203548 |
| 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